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Wolfgang Gieren

Full Professor

UNIVERSIDAD DE CONCEPCIÓN

Concepción, Chile

Astronomy; Astrophysics

extragalactic distance scale, pulsating stars, stellar distance indicators, UNIVERSITY OF BONN. Alemania, 1975

Full Professor Full Time

UNIVERSIDAD DE CONCEPCION

Ciencias Fisicas y Matematicas

Concepcion, Chile

1996 - A la fecha

Visiting Professor Full Time

Universidad Catolica de chile

Santiago, Chile

1990 - 1996

Alejandro Garcia "The distance to the Sculptor Group galaxy NGC 247 from Cepheid variables", 2008 (PhD thesis)
Scarlet Elgueta "Orbital and physical parameters, and the distance of the eclipsing binary system OGLE-LMC-ECL-25658 in the Large Magellanic Cloud", 2016 (Magister thesis)
Alexandre Gallenne "Cepheids and the extragalactic distance scale", 2013-16 (Fondecyt postdoctoral fellow)
Mariusz Gorski "Improving the TRGB and Baade-Wesselink method for distance determination", 2017-20 (Fondecyt postdoctoral fellow)

Wolfgang Gieren

UNIVERSIDAD DE CONCEPCION

Chile

Associated Investigator, Millenium Institute of Astrophysics (MAS) of the Iniciativa Cientifica Milenio del Ministerio de Economia, Fomento y Turismo de Chile, grant IC120009
Wolfgang Gieren

UNIVERSIDAD DE CONCEPCION

Chile

Responsible Investigator, project ECOS-CONICYT C13U01 "Cepheids at high angular resolution and the extragalactic distance scale", 2014-2016
Wolfgang Gieren

UNIVERSIDAD DE CONCEPCION

Chile

Premio Municipal de Ciencias, Municipalidad de Concepcion, Chile, 2009
Wolfgang Gieren

UNIVERSIDAD DE CONCEPCION

Chile

Award for the third-highest scientific productivity of the past 20 years at Universidad de Concepcion (1996-2016), May 2016
Wolfgang Gieren

UNIVERSIDAD DE CONCEPCION

Chile

Principal Investigator, FONDAP Center of Astronomy 15010003, Area "Extragalactic distance scale"
Wolfgang Gieren

UNIVERSIDAD DE CONCEPCION

Chile

Principal Investigator, BASAL Centro de Astrofisica y Tecnologias Afines (CATA), area "Extragalactic distance scale"


A Precision Determination of the Effect of Metallicity on Cepheid Absolute Magnitudes in VIJHK Bands from Magellanic Cloud Cepheids Wielgórski, Piotr; Pietrzy?ski, Grzegorz; Gieren, Wolfgang; Górski, Marek; Kudritzki, Rolf-Peter; Zgirski, Bart?omiej; Bresolin, Fabio; Storm, Jesper; Matsunaga, Noriyuki; Graczyk, Dariusz; Soszy?ski, Igor Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2017)
Discovery of a Group of Receding, Variable Halo Stars toward Norma Chakrabarti, Sukanya; Angeloni, Rodolfo; Freeman, Kenneth; Sargent, Benjamin; Simon, Joshua D.; Konorski, Piotr; Gieren, Wolfgang; Sesar, Branimir; Lipnicky, Andrew; Blitz, Leo; Basri, Gibor; Vacca, William; Marengo, Massimo; Guhathakurta, Puragra; Quillen, Alice; Chang, Philip Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2017)
HARPS-N high spectral resolution observations of Cepheids I. The Baade-Wesselink projection factor of delta Cep revisited Nardetto, N.; Poretti, E.; Rainer, M.; Fokin, A.; Mathias, P.; Anderson, R. I.; Gallenne, A.; Gieren, W.; Graczyk, D.; Kervella, P.; Mérand, A.; Mourard, D.; Neilson, H.; Pietrzynski, G.; Pilecki, B.; Storm, J. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2017)
LMC Blue Supergiant Stars and the Calibration of the Flux-weighted Gravity Luminosity Relationship Urbaneja, M. A.; Kudritzki, R.-P.; Gieren, W.; Pietrzy?ski, G.; Bresolin, F.; Przybilla, N. Article ISI SCOPUS ASTRONOMICAL JOURNAL (2017)
Mass and p-factor of the Type II Cepheid OGLE-LMC-T2CEP-098 in a Binary System Pilecki, Bogumi?; Gieren, Wolfgang; Smolec, Rados?aw; Pietrzy?ski, Grzegorz; Thompson, Ian B.; Anderson, Richard I.; Bono, Giuseppe; Soszy?ski, Igor; Kervella, Pierre; Nardetto, Nicolas; Taormina, Mónica; St?pie?, Kazimierz; Wielgórski, Piotr Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2017)
Observational calibration of the projection factor of Cepheids III. The long-period Galactic Cepheid RS Puppis Kervella, Pierre; Trahin, Boris; Bond, Howard E.; Gallenne, Alexandre; Szabados, Laszlo; Mérand, Antoine; Breitfelder, Joanne; Dailloux, Julien; Anderson, Richard I.; Fouqué, Pascal; Gieren, Wolfgang; Nardetto, Nicolas; Pietrzy?ski, Grzegorz Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2017)
The occurrence of binary evolution pulsators in classical instability strip of RR Lyrae and Cepheid variables Karczmarek, P.; Wiktorowicz, G.; I?kiewicz, K.; Smolec, R.; St?pie?, K.; Pietrzy?ski, G.; Gieren, W.; Belczynski, K. Article ISI SCOPUS MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY (2017)
The Surface Brightness-color Relations Based on Eclipsing Binary Stars: Toward Precision Better than 1% in Angular Diameter Predictions Graczyk, Dariusz; Konorski, Piotr; Pietrzy?ski, Grzegorz; Gieren, Wolfgang; Storm, Jesper; Nardetto, Nicolas; Gallenne, Alexandre; Maxted, Pierre F. L.; Kervella, Pierre; Ko?aczkowski, Zbigniew Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2017)
A solar twin in the eclipsing binary LL Aquarii Graczyk, D.; Smolec, R.; Pavlovski, K.; Southworth, J.; Pietrzy?ski, G.; Maxted, P. F. L.; Konorski, P.; Gieren, W.; Pilecki, B.; Taormina, M.; Suchomska, K.; Karczmarek, P.; Górski, M.; Wielgórski, P.; Anderson, R. I. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2016)
A SPECTROSCOPIC STUDY OF BLUE SUPERGIANT STARS IN THE SCULPTOR GALAXY NGC 55: CHEMICAL EVOLUTION AND DISTANCE Kudritzki, R. P.; Castro, N.; Urbaneja, M. A.; Ho, I.-T.; Bresolin, F.; Gieren, W.; Pietrzy?ski, G.; Przybilla, N. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2016)
Constraining dust extinction properties via the VVV survey Majaess, D.; Turner, D.; Dékány, I.; Minniti, D.; Gieren, W. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2016)
Multiplicity of Galactic Cepheids from long-baseline interferometry - III. Sub-percent limits on the relative brightness of a close companion of delta Cephei Gallenne, A.; Mérand, A.; Kervella, P.; Monnier, J. D.; Schaefer, G. H.; Roettenbacher, R. M.; Gieren, W.; Pietrzy?ski, G.; McAlister, H.; ten Brummelaar, T.; Sturmann, J.; Sturmann, L.; Turner, N.; Anderson, R. I. Article ISI SCOPUS MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY (2016)
The Araucaria Project: High-precision orbital parallax and masses of the eclipsing binary TZ Fornacis Gallenne, A.; Pietrzynski G.; Graczyk, D.; Konorski, P; Kervella, P.; Mérand A.; Gieren, W.; Anderson, RI; Villanova, S. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2016)
THE ORBITAL AND PHYSICAL PARAMETERS, AND THE DISTANCE OF THE ECLIPSING BINARY SYSTEM OGLE-LMC-ECL-25658 IN THE LARGE MAGELLANIC CLOUD Elgueta, S. S.; Graczyk, D.; Gieren, W.; Pietrzy?ski, G.; Thompson, I. B.; Konorski, P.; Pilecki, B.; Villanova, S.; Udalski, A.; Soszy?ski, I.; Suchomska, K.; Karczmarek, P.; Górski, M.; Wielgórski, P. Article ISI SCOPUS ASTRONOMICAL JOURNAL (2016)
VEGA/CHARA interferometric observations of Cepheids I. A resolved structure around the prototype classical Cepheid delta Cep in the visible spectral range Nardetto, N.; Mérand, A.; Mourard, D.; Storm, J.; Gieren, W.; Fouqué, P.; Gallenne, A.; Graczyk, D.; Kervella, P.; Neilson, H.; Pietrzynski, G.; Pilecki, B.; Breitfelder, J.; Berio, P.; Challouf, M.; Clausse, J.-M.; Ligi, R.; Mathias, P.; Meilland, A.; Perraut, K.; Poretti, E.; Rainer, M.; Spang, A.; Stee, P.; Tallon-Bosc, I.; ten Brummelaar, T. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2016)
YOUNG STARS AND IONIZED NEBULAE IN M83: COMPARING CHEMICAL ABUNDANCES AT HIGH METALLICITY Bresolin, Fabio; Kudritzki, Rolf-Peter; Urbaneja, Miguel A.; Gieren, Wolfgang; Ho, I-Ting; Pietrzy?ski, Grzegorz Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2016)
DISCOVERY OF A PAIR OF CLASSICAL CEPHEIDS IN AN INVISIBLE CLUSTER BEYOND THE GALACTIC BULGE Dékány I.; Minniti, D; Hajdu, G; Alonso-Garcia, J; Hempel, M; Palma, T; Catelan, M.; Gieren, W.; Majaess, D Article ISI SCOPUS ASTROPHYSICAL JOURNAL LETTERS (2015)
New NIR light-curve templates for classical Cepheids Inno L.; Matsunaga, N; Romaniello M.; Bono, G; Monson, A; Ferraro I.; Iannicola G.; Persson, E; Buonanno R.; Freedman, W.; Gieren, W.; Groenewegen, MAT; Ita Y.; Laney, CD; Lemasle B.; Madore, BF; Nagayama T.; Nakada Y.; Nonino, M; Pietrzynski G.; Primas F.; Scowcroft, V; Soszynski I.; Tanabe T.; Udalski, A Article ISI SCOPUS Astronomy and Astrophysics (2015)
Orbital and physical parameters of eclipsing binaries from the ASAS catalogue - VIII. The totally eclipsing double-giant system HD 187669 Helminiak, KG; Graczyk, D.; Konacki, M; Pilecki, B.; Ratajczak, M; Pietrzynski G.; Sybilski, P; Villanova, S.; Gieren, W.; Pojmanski G.; Konorski, P; Suchomska, K; Reichart, DE; Ivarsen, KM; Haislip, JB; LaCluyze, AP Article ISI SCOPUS Monthly Notices of the Royal Astronomical Society (2015)
Robust high-contrast companion detection from interferometric observations The CANDID algorithm and an application to six binary Cepheids Gallenne, A.; Mérand A.; Kervella, P.; Monnier, JD; Schaefer, GH; Baron, F; Breitfelder J.; Le Bouquin, JB; Roettenbacher, RM; Gieren, W.; Pietrzynski G.; McAlister H.; Ten Brummelaar T.; Sturmann J.; Sturmann L.; Turner N.; Ridgway S.; Kraus S. Article ISI SCOPUS Astronomy and Astrophysics (2015)
The Araucaria project. Precise physical parameters of the eclipsing binary IO Aquarii Graczyk, D.; Maxted, PFL; Pietrzynski G.; Pilecki, B.; Konorski, P; Gieren, W.; Storm, J; Gallenne, A.; Anderson, RI; Suchomska, K; West, RG; Pollacco, D; Faedi, F; Pojmanski G. Article ISI SCOPUS Astronomy and Astrophysics (2015)
THE ARAUCARIA PROJECT: A STUDY OF THE CLASSICAL CEPHEID IN THE ECLIPSING BINARY SYSTEM OGLE LMC562.05.9009 IN THE LARGE MAGELLANIC CLOUD Gieren, Wolfgang; Pilecki, Bogumi?; Pietrzyski, Grzegorz; Graczyk, Dariusz; Udalski, Andrzej; Soszyski, Igor; Thompson, Ian B.; Moroni, Pier Giorgio Prada; Smolec, Radosaw; Konorski, Piotr; Grski, Marek; Karczmarek, Paulina; Suchomska, Ksenia; Taormina, Mnica; Gallenne, Alexandre; Storm, Jesper; Bono, Giuseppe; Catelan, Mrcio; Szymaski, Micha; Kozowski, Szymon; Pietrukowicz, Pawe?; Wyrzykowski, ukasz; Poleski, Radosaw; Skowron, Jan; Minniti, Dante; Ulaczyk, K; Mrz, P.; Pawlak, M; Nardetto, Nicolas Article ISI SCOPUS Astrophysical Journal (2015)
The Araucaria Project: accurate stellar parameters and distance to evolved eclipsing binary ASAS J180057-2333.8 in Sagittarius Arm Suchomska, K; Graczyk, D.; Smolec, R; Pietrzynski G.; Gieren, W.; Stepien K.; Konorski, P; Pilecki, B.; Villanova, S.; Thompson, IB; Górski M.; Karczmarek, P; Wielgorski, P.; Anderson, RI Article ISI SCOPUS Monthly Notices of the Royal Astronomical Society (2015)
THE ARAUCARIA PROJECT: THE DISTANCE TO THE CARINA DWARF GALAXY FROM INFRARED PHOTOMETRY OF RR LYRAE STARS Karczmarek, Paulina; Pietrzynski, Grzegorz; Gieren, Wolfgang; Suchomska, Ksenia; Konorski, Piotr; Grski, Marek; Pilecki, Bogumi?; Graczyk, Dariusz; Wielgrski, Piotr Article ISI SCOPUS Astronomical Journal (2015)
THE ARAUCARIA PROJECT: THE FIRST-OVERTONE CLASSICAL CEPHEID IN THE ECLIPSING SYSTEM OGLE-LMC-CEP-2532 Pilecki, B.; Graczyk, D.; Gieren, W.; Pietrzynski G.; Thompson, IB; Smolec, R; Udalski, A; Soszynski I.; Konorski, P; Taormina M.; Gallenne, A.; Minniti, D; Catelan, M. Article ISI SCOPUS Astrophysical Journal (2015)
THE M31 NEAR-INFRARED PERIOD-LUMINOSITY RELATION AND ITS NON-LINEARITY FOR delta Cep VARIABLES WITH 0.5 <= log(P) <= 1.7 Kodric M.; Riffeser, A.; Seitz, S.; Snigula, J; Hopp, U; Lee C.H.; Goessl C.; Koppenhoefer, J.; Bender R.; Gieren, W. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2015)
THE VVV SURVEY REVEALS CLASSICAL CEPHEIDS TRACING A YOUNG AND THIN STELLAR DISK ACROSS THE GALAXY'S BULGE Dkny, I.; Minniti, D; Majaess, D; Zoccali, M; Hajdu, G; Alonso-Garca, J.; Catelan, M.; Gieren, W.; Borissova, J. Article ISI SCOPUS Astrophysical Journal Letters (2015)
Theoretical impact of fast rotation on calibrating the surface brightness-color relation for early-type stars Challouf, M; Nardetto, N.; de Souza, AD; Mourard, D; Aroui, H; Stee P.; Delaa O.; Graczyk, D.; Pietrzynski G.; Gieren, W. Article ISI SCOPUS Astronomy and Astrophysics (2015)
Evidence for photometric contamination in key observations of Cepheids in the benchmark galaxy IC 1613 Majaess, D; Turner D.G.; Gieren, W.; Ngeow C. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2014)
Improving the surface brightness-color relation for early-type stars using optical interferometry Challouf, M; Nardetto, N.; Mourard, D; Graczyk, D.; Aroui, H; Chesneau, O.; Delaa O.; Pietrzynski G.; Gieren, W.; Ligi R.; Meilland, A; Perraut K.; Tallon-Bosc, I; McAlister H.; Ten Brummelaar T.; Sturmann J.; Sturmann L.; Turner N.; Farrington C.; Vargas N.; Scott, N Article ISI ASTRONOMY & ASTROPHYSICS (2014)
Investigating potential planetary nebula/cluster pairs Moni Bidin, C.; Majaess, D; Bonatto, C; Mauro, F; Turner D.; Geisler, D; Chené A.N.; Gormaz-Matamala A.C.; Borissova, J.; Kurtev, R. G.; Minniti, D; Carraro, G; Gieren, W. Article ISI ASTRONOMY & ASTROPHYSICS (2014)
Multiplicity of Galactic Cepheids from long-baseline interferometry II. The Companion of AX Circini revealed with VLTI/PIONIER Gallenne, A.; Mérand A.; Kervella, P.; Breitfelder J.; Le Bouquin J.B.; Monnier, J. D.; Gieren, W.; Pilecki, B.; Pietrzynski G. Article ISI ASTRONOMY & ASTROPHYSICS (2014)
QUANTITATIVE SPECTROSCOPY OF BLUE SUPERGIANTS IN METAL-POOR DWARF GALAXY NGC 3109 Hosek, MW; Kudritzki, RP; Bresolin, F; Urbaneja, MA; Evans, CJ; Pietrzynski G.; Gieren, W.; Przybilla, N; Carraro, G Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2014)
Searching for visual companions of close Cepheids VLT/NACO lucky imaging of Y Oph, FF Aql, X Sgr, W Sgr, and eta Aql Gallenne, A.; Kervella, P.; Mérand A.; Evans, NR; Girard, JHV; Gieren, W.; Pietrzynski G. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2014)
THE ARAUCARIA PROJECT. THE DISTANCE TO THE SMALL MAGELLANIC CLOUD FROM LATE-TYPE ECLIPSING BINARIES Graczyk, D.; Pietrzynski G.; Thompson, IB; Gieren, W.; Pilecki, B.; Konorski, P; Udalski, A; Soszynski I.; Villanova, S.; Górski M.; Suchomska, K; Karczmarek, P; Kudritzki, RP; Bresolin, F; Gallenne, A. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2014)
A new look at the long-period eclipsing binary V383 Scorpii Galan, C.; Tomov, T; Kato, T; Pojmanski G.; Szczygiel, DM; Pilecki, B.; Graczyk, D.; Gromadzki, M; Mikolajewski, M; Gieren, W.; Strobel, A; Roukema, BF Article ISI SCOPUS Astronomy and Astrophysics (2013)
An eclipsing-binary distance to the Large Magellanic Cloud accurate to two per cent Pietrzynski G.; Graczyk, D.; Gieren, W.; Thompson, IB; Pilecki, B.; Udalski, A; Soszynski I.; Kozlowski S.; Konorski, P; Suchomska, K; Bono, G; Moroni, PGP; Villanova, S.; Nardetto, N.; Bresolin, F; Kudritzki, RP; Storm, J; Gallenne, A.; Smolec, R; Minniti, D; Kubiak M.; Szymanski, MK; Poleski, R; Wyrzykowski L.; Ulaczyk, K; Pietrukowicz, P; Górski M.; Karczmarek, P Article ISI SCOPUS Nature (2013)
Anchors for the cosmic distance scale: the Cepheid QZ Normae in the open cluster NGC 6067 Majaess, D; Sturch, L; Bidin, CM; Soto M.; Gieren, W.; Cohen, R; Mauro, F; Geisler, D; Bonatto, C; Borissova, J.; Minniti, D; Turner D.; Lane, D.; Madore, B.; Carraro, G; Berdnikov L. Article ISI SCOPUS Astrophysics and Space Science (2013)
Anchors for the cosmic distance scale: the Cepheids U Sagittarii, CF Cassiopeiae, and CEab Cassiopeiae Majaess, D; Carraro, G; Bidin, CM; Bonatto, C; Berdnikov L.; Balam, D; Moyano, M; Gallo, L.; Turner D.; Lane, D.; Gieren, W.; Borissova, J.; Kovtyukh V.; Beletsky Y. Article ISI SCOPUS Astronomy and Astrophysics (2013)
Extended envelopes around Galactic Cepheids IV. T Monocerotis and X Sagittarii from mid-infrared interferometry with VLTI/MIDI Gallenne, A.; Mérand A.; Kervella, P.; Chesneau, O.; Breitfelder J.; Gieren, W. Article ISI SCOPUS Astronomy and Astrophysics (2013)
Multiplicity of Galactic Cepheids from long-baseline interferometry I. CHARA/MIRC detection of the companion of V1334 Cygni Gallenne, A.; Monnier, JD; Mérand A.; Kervella, P.; Kraus S.; Schaefer, GH; Gieren, W.; Pietrzynski G.; Szabados, L; Che X.; Baron, F; Pedretti E.; McAlister H.; Ten Brummelaar T.; Sturmann J.; Sturmann L.; Turner N.; Farrington C.; Vargas N. Article ISI SCOPUS Astronomy and Astrophysics (2013)
ON THE FORM OF THE SPITZER LEAVITT LAW AND ITS DEPENDENCE ON METALLICITY Majaess, D; Turner, DG; Gieren, W. Article ISI SCOPUS Astrophysical Journal (2013)
On the metallicity dependence of classical Cepheid light amplitudes Majaess, D; Turner D.; Gieren, W.; Berdnikov L.; Lane, D. Article ISI SCOPUS Astrophysics and Space Science (2013)
Physical parameters and the projection factor of the classical Cepheid in the binary system OGLE-LMC-CEP-0227 Pilecki, B.; Graczyk, D.; Pietrzynski G.; Gieren, W.; Thompson, IB; Freedman, WL; Scowcroft, V; Madore, BF; Udalski, A; Soszynski I.; Konorski, P; Smolec, R; Nardetto, N.; Bono, G; Moroni, PGP; Storm, J; Gallenne, A. Article ISI SCOPUS Monthly Notices of the Royal Astronomical Society (2013)
Pulsation models for the 0.26 M-circle dot star mimicking RR Lyrae pulsator. Model survey for the new class of variable stars Smolec, R; Pietrzynski G.; Graczyk, D.; Pilecki, B.; Gieren, W.; Thompson, I; Stepien K.; Karczmarek, P; Konorski, P; Górski M.; Suchomska, K; Bono, G; Moroni, PGP; Nardetto, N. Article ISI SCOPUS Monthly Notices of the Royal Astronomical Society (2013)
THE ARAUCARIA PROJECT. A DISTANCE DETERMINATION TO THE LOCAL GROUP SPIRAL M33 FROM NEAR-INFRARED PHOTOMETRY OF CEPHEID VARIABLES Gieren, W.; Górski M.; Pietrzynski G.; Konorski, P; Suchomska, K; Graczyk, D.; Pilecki, B.; Bresolin, F; Kudritzki, RP; Storm, J; Karczmarek, P; Gallenne, A.; Calderon, P; Geisler, D Article ISI SCOPUS Astrophysical Journal (2013)
THE ECLIPSING BINARY CEPHEID OGLE-LMC-CEP-0227 IN THE LARGE MAGELLANIC CLOUD: PULSATION MODELING OF LIGHT AND RADIAL VELOCITY CURVES Marconi, M; Molinaro, R.; Bono, G; Pietrzynski G.; Gieren, W.; Pilecki, B.; Stellingwerf, RF; Graczyk, D.; Smolec, R; Konorski, P; Suchomska, K; Górski M.; Karczmarek, P Article ISI SCOPUS Astrophysical Journal Letters (2013)
Understanding the dynamical structure of pulsating stars: The Baade-Wesselink projection factor of the delta Scuti stars AI Velorum and beta Cassiopeiae Guiglion, G.; Nardetto, N.; Mathias, P; de Souza, AD; Poretti E.; Rainer, M.; Fokin A.; Mourard, D; Gieren, W. Article ISI SCOPUS Astronomy and Astrophysics (2013)
Understanding the dynamical structure of pulsating stars: The center-of-mass velocity and the Baade-Wesselink projection factor of the beta Cephei star alpha Lupi Nardetto, N.; Mathias, P; Fokin A.; Chapellier E.; Pietrzynski G.; Gieren, W.; Graczyk, D.; Mourard, D Article ISI SCOPUS Astronomy and Astrophysics (2013)
Variable Stars from the OGLE-III Shallow Survey in the Large Magellanic Cloud Ulaczyk, K; Szymanski, MK; Udalski, A; Kubiak M.; Pietrzynski G.; Soszynski I.; Wyrzykowski L.; Poleski, R; Gieren, W.; Walker, AR; Garcia-Varela, A Article ISI ACTA ASTRONOMICA (2013)
A cluster of class I/f/II young stellar objects discovered near the Cepheid SU Cas Majaess, D; Turner D.G.; Gieren, W. Article ISI SCOPUS Monthly Notices of the Royal Astronomical Society (2012)
ANCHORING THE DISTANCE SCALE VIA X-RAY/INFRARED DATA FOR CEPHEID CLUSTERS: SU Cas Majaess, D; Turner D.G.; Gallo, L.; Gieren, W.; Bonatto, C; Lane D.J.; Balam, D; Berdnikov L. Article ISI SCOPUS Astrophysical Journal (2012)
Calibrating the Cepheid Period-Luminosity relation from the near-infrared surface brightness technique Storm, J; Nardetto, N.; Gieren, W.; Fouque, P.; Barnes T.G. Article ISI SCOPUS Astrophysics and Space Science (2012)
DISCOVERY OF THE HOST CLUSTER FOR THE FUNDAMENTAL CEPHEID CALIBRATOR ZETA GEMINORUM Majaess, D; Turner D.; Gieren, W.; Balam, D; Lane, D. Article ISI SCOPUS Astrophysical Journal Letters (2012)
Identifying Contaminated K-Band Globular Cluster RR Lyrae Photometry Majaess, D; Turner D.; Gieren, W. Article ISI SCOPUS Publications of the Astronomical Society of the Pacific (2012)
NEW EVIDENCE SUPPORTING CLUSTER MEMBERSHIP FOR THE KEYSTONE CALIBRATOR DELTA CEPHEI Majaess, D; Turner D.; Gieren, W. Article ISI SCOPUS Astrophysical Journal (2012)
ON THE EVOLUTIONARY AND PULSATION MASS OF CLASSICAL CEPHEIDS. III. THE CASE OF THE ECLIPSING BINARY CEPHEID CEP0227 IN THE LARGE MAGELLANIC CLOUD Prada Moroni, P. G.; Gennaro, M; Bono, G; Pietrzynski G.; Gieren, W.; Pilecki, B.; Graczyk, D.; Thompson, I. B. Article ISI SCOPUS Astrophysical Journal (2012)
Photometric Maps Based on the OGLE-III Shallow Survey in the Large Magellanic Cloud Ulaczyk, K; Szymanski, MK; Udalski, A; Kubiak M.; Pietrzynski G.; Soszynski I.; Wyrzykowski L.; Poleski, R; Gieren, W.; Walker, AR; Garcia-Varela, A Article ISI ACTA ASTRONOMICA (2012)
QUANTITATIVE SPECTROSCOPY OF BLUE SUPERGIANT STARS IN THE DISK OF M81: METALLICITY, METALLICITY GRADIENT, AND DISTANCE Kudritzki R.P.; Urbaneja M.A.; Gazak Z.; Bresolin, F; Przybilla, N; Gieren, W.; Pietrzynski G. Article ISI SCOPUS Astrophysical Journal (2012)
RR-Lyrae-type pulsations from a 0.26-solar-mass star in a binary system Pietrzynski G.; Thompson, I. B.; Gieren, W.; Graczyk, D.; Stepien K.; Bono, G; Prada Moroni, P. G.; Pilecki, B.; Udalski, A; Soszynski I.; Preston G.W.; Nardetto, N.; McWilliam A.; Roederer I.U.; Górski M.; Konorski, P; Storm, J Article ISI SCOPUS Nature (2012)
Strengthening the open cluster distance scale via VVV photometry Majaess, D; Turner D.; Moni Bidin, C.; Geisler, D; Borissova, J.; Minniti, D; Bonatto, C; Gieren, W.; Carraro, G; Kurtev, R; Mauro, F; Chené A.N.; Forbes, D; Lucas P.; Dékány I.; Saito, R K; Soto M. Article ISI SCOPUS Astronomy and Astrophysics (2012)
THE ARAUCARIA PROJECT: AN ACCURATE DISTANCE TO THE LATE-TYPE DOUBLE-LINED ECLIPSING BINARY OGLE SMC113.3 4007 IN THE SMALL MAGELLANIC CLOUD Graczyk, D.; Pietrzynski G.; Thompson, I. B.; Gieren, W.; Pilecki, B.; Udalski, A; Soszynski I.; Kolaczkowski, Z; Kudritzki R.P.; Bresolin, F; Konorski, P; Mennickent, R.; Minniti, D; Storm, J; Nardetto, N.; Karczmarek, P Article ISI SCOPUS Astrophysical Journal (2012)
The ARAUCARIA project: Grid-based quantitative spectroscopic study of massive blue stars in NGC 55 Castro N.; Urbaneja M.A.; Herrero, A.; García, M; Simon Diaz, S.; Bresolin, F; Pietrzynski G.; Kudritzki R.P.; Gieren, W. Article ISI SCOPUS Astronomy and Astrophysics (2012)
THE IMPACT OF CONTAMINATED RR LYRAE/GLOBULAR CLUSTER PHOTOMETRY ON THE DISTANCE SCALE Majaess, D; Turner D.; Gieren, W.; Lane, D. Article ISI SCOPUS Astrophysical Journal Letters (2012)
VVV DR1: The first data release of the Milky Way bulge and southern plane from the near-infrared ESO public survey VISTA variables in the Via Lactea Saito, R K; Hempel, M; Minniti, D; Lucas, P W; Rejkuba, M; Toledo, I; Gonzalez, O. A.; Alonso-Garcia, J; Irwin, M. J.; Gonzalez-Solares, E; Hodgkin S.T.; Lewis, J. R.; Cross, N; Ivanov, V. D.; Kerins, E; Emerson J.P.; Soto M.; Amores, E. B.; Gurovich, S.; Dékány I.; Angeloni, R; Beamin, J C; Catelan, M.; Padilla, N; Zoccali, M; Pietrukowicz, P; Moni Bidin, C.; Mauro, F; Geisler, D; Folkes S.L.; Sale S.E.; Borissova, J.; Kurtev, R; Ahumada A.V.; Alonso M.V.; Adamson A.; Arias, J. I.; Bandyopadhyay R.M.; Barbá R.H.; Barbuy, B; Baume G.L.; Bedin L.R.; Bellini, A; Benjamin, R; Bica, E; Bonatto, C; Bronfman, L.; Carraro, G; Chené A.N.; Clariá J.J.; Clarke J.R.A.; Contreras C.; Corvillon A.; de Grijs, R; Dias, B.; Drew, J. E.; Farina, C.; Feinstein, C; Fernandez Lajus, E.; Gamen R.C.; Gieren, W.; Goldman B.; Gonzalez-Fernandez, C; Grand, R J J; Gunthardt, G; Hambly, N. C.; Hanson M.M.; Helminiak, K. G.; Hoare M.G.; Huckvale, L; Jordán A.; Kinemuchi K.; Longmore A.; Lopez-Corredoira, M; Maccarone, T; Majaess, D; Martin, E. L.; Masetti, N; Mennickent, R. E.; Mirabel I.F.; Monaco, L; Morelli L.; Motta, V; Palma, T; Parisi, M C; Parker Q.; Penaloza F.; Pietrzynski G.; Pignata, G.; Popescu B.; Read M.A.; Rojas A.; Roman-Lopes, A; Ruiz M.T.; Saviane, I; Schreiber, M. R.; Schroder A.C.; Sharma S.; Smith, M. D.; Sodré, L.; Stead J.; Stephens A.W.; Tamura, M; Tappert C.; Thompson, M. A.; Valenti, E; Vanzi L.; Walton, N. A.; Weidmann, W; Zijlstra A. Article ISI SCOPUS Astronomy and Astrophysics (2012)
ACCURATE STELLAR KINEMATICS AT FAINT MAGNITUDES: APPLICATION TO THE BOOTES I DWARF SPHEROIDAL GALAXY Koposov, SE; Gilmore, G; Walker, MG; Belokurov V.; Evans, NW; Fellhauer, M; Gieren, W.; Geisler, D; Monaco, L; Norris, JE; Okamoto S.; Penarrubia J.; Wilkinson M.; Wyse, RFG; Zucker, DB Article ISI SCOPUS Astrophysical Journal (2011)
Calibrating the Cepheid period-luminosity relation from the infrared surface brightness technique I. The p-factor, the Milky Way relations, and a universal K-band relation Storm, J; Gieren, W.; Fouque, P.; Barnes, TG; Pietrzynski G.; Nardetto, N.; Weber, M; Granzer, T.; Strassmeier, KG Article ISI SCOPUS Astronomy and Astrophysics (2011)
Calibrating the Cepheid period-luminosity relation from the infrared surface brightness technique II. The effect of metallicity and the distance to the LMC Storm, J; Gieren, W.; Fouque, P.; Barnes, TG; Soszynski I.; Pietrzynski G.; Nardetto, N.; Queloz, D Article ISI ASTRONOMY & ASTROPHYSICS (2011)
CONCERNING THE CLASSICAL CEPHEID VIC WESENHEIT FUNCTION'S STRONG METALLICITY DEPENDENCE Majaess, D; Turner D.; Gieren, W. Article ISI SCOPUS Astrophysical Journal Letters (2011)
Erratum: The Araucaria project: First Cepheid distance to the sculptor group Galaxy NGC 7793 from variables discovered in a wide-field imaging survey (Astronomical Journal (2010) 140 (1475)) Pietrzynski G.; Gieren, W.; Szewczyk O.; Soszynski I.; Udalski, A; Szymanski, M; Kubiak M.; Wyrzykowski L.; Hamuy, M.; Pignata, G.; Walker A.; Fouque, P.; Bresolin, F; Kudritzki R.P.; Garcia-Varela, A Article ASTRONOMICAL JOURNAL (2011)
NEW EVIDENCE SUPPORTING MEMBERSHIP FOR TW NOR IN LYNGA 6 AND THE CENTAURUS SPIRAL ARM Majaess, D; Turner D.; Bidin, CM; Mauro, F; Geisler, D; Gieren, W.; Minniti, D; Chene, AN; Lucas P.; Borissova, J.; Kurtev, R; Dékány I.; Saito, RK Article ISI SCOPUS Astrophysical Journal Letters (2011)
THE ARAUCARIA PROJECT. INFRARED TIP OF THE RED GIANT BRANCH DISTANCES TO FIVE DWARF GALAXIES IN THE LOCAL GROUP Górski M.; Pietrzynski G.; Gieren, W. Article ISI SCOPUS Astronomical Journal (2011)
THE ARAUCARIA PROJECT: ACCURATE DETERMINATION OF THE DYNAMICAL MASS OF THE CLASSICAL CEPHEID IN THE ECLIPSING SYSTEM OGLE-LMC-CEP-1812 Pietrzynski G.; Thompson, IB; Graczyk, D.; Gieren, W.; Pilecki, B.; Udalski, A; Soszynski I.; Bono, G; Konorski, P; Nardetto, N.; Storm, J Article ISI SCOPUS Astrophysical Journal Letters (2011)
The Baade-Wesselink p-factor applicable to LMC Cepheids Nardetto, N.; Fokin A.; Fouque, P.; Storm, J; Gieren, W.; Pietrzynski G.; Mourard, D; Kervella, P. Article ISI SCOPUS Astronomy and Astrophysics (2011)
THE DISTRIBUTION OF THE ELEMENTS IN THE GALACTIC DISK. II. AZIMUTHAL AND RADIAL VARIATION IN ABUNDANCES FROM CEPHEIDS Luck, RE; ANDRIEVSKY, SM; KOVTYUKH, VV; Gieren, W.; Graczyk, D. Article ISI SCOPUS Astronomical Journal (2011)
Millimagnitude photometry for transiting extrasolar planetary candidates V. Follow-up of 30 OGLE transits. New candidates Pietrukowicz, P; Minniti, D; Diaz, RF; Fernandez, JM; Zoccali, M; Gieren, W.; Pietrzynski G.; RUIZ, MT; Udalski, A; Szeifert T.; Hempel, M Article ISI SCOPUS Astronomy and Astrophysics (2010)
THE ARAUCARIA PROJECT. POPULATION EFFECTS ON THE V- AND I-BAND MAGNITUDES OF RED CLUMP STARS Pietrzynski G.; Górski M.; Gieren, W.; Laney, D; Udalski, A; Ciechanowska, A Article ISI SCOPUS Astronomical Journal (2010)
THE ARAUCARIA PROJECT: FIRST CEPHEID DISTANCE TO THE SCULPTOR GROUP GALAXY NGC 7793 FROM VARIABLES DISCOVERED IN A WIDE-FIELD IMAGING SURVEY Pietrzynski G.; Gieren, W.; Hamuy, M.; Pignata, G.; Soszynski I.; Udalski, A; Walker A.; Fouque, P.; Bresolin, F; Kudritzki, RP; Garcia-Varela, A; Szewczyk O.; Szymanski, M; Kubiak M.; Wyrzykowski L. Article ISI SCOPUS Astronomical Journal (2010)
The Araucaria Project: The Distance to the Small Magellanic Cloud from Near Infrared Photometry of Type II Cepheids Ciechanowska, A; Pietrzynski G.; Szewczyk O.; Gieren, W.; Soszynski I. Article ISI SCOPUS Acta Astronomica (2010)
The dynamical mass of a classical Cepheid variable star in an eclipsing binary system Pietrzynski G.; Thompson, IB; Gieren, W.; Graczyk, D.; Bono, G; Udalski, A; Soszynski I.; Minniti, D; Pilecki, B. Article ISI SCOPUS Nature (2010)
VISTA Variables in the Via Lactea (VVV): The public ESO near-IR variability survey of the Milky Way Minniti, D; Lucas, PW; Emerson, JP; Saito, RK; Hempel, M; Pietrukowicz, P; Ahumada, AV; Alonso, MV; Alonso-Garcia, J; Arias, JI; Bandyopadhyay, RM; BARBA, RH; Barbuy, B; Bedin, LR; Bica, E; Borissova, J.; Bronfman, L.; Carraro, G; Catelan, M.; CLARIA, JJ; Cross, N; de Grijs, R; Dékány I.; Drew, JE; Farina, C.; Feinstein, C; Lajus, EF; Gamen, RC; Geisler, D; Gieren, W.; Goldman B.; Gonzalez, OA; Gunthardt, G; Gurovich, S.; Hambly, NC; Irwin, MJ; Ivanov, VD; Jordán A.; Kerins, E; Kinemuchi K.; Kurtev, R; Lopez-Corredoira, M; Maccarone, T; Masetti, N; Merlo, D; Messineo M.; Mirabel, IF; Monaco, L; Morelli L.; Padilla, N; Palma, T; Parisi, MC; Pignata, G.; Rejkuba, M; Roman-Lopes, A; Sale, SE; Schreiber, MR; Schroder, AC; Smith M.; Sodré, L.; Soto M.; Tamura, M; Tappert C.; Thompson, MA; Toledo, I; Zoccali, M; Pietrzynski G. Article ISI SCOPUS New Astronomy (2010)
Deep census of variable stars in a VLT/VIMOS field in Carina Pietrukowicz, P; Minniti, D; Fernandez, JM; Pietrzynski G.; RUIZ, MT; Gieren, W.; Diaz, RF; Zoccali, M; Hempel, M Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2009)
High-resolution spectroscopy for Cepheids distance determination V. Impact of the cross-correlation method on the p-factor and the ?-velocities Nardetto, N.; Gieren, W.; Pietrzynski G.; Kervella, P.; Fouque, P.; Storm, J; Mourard, D; Queloz, D Article ASTRONOMY AND ASTROPHYSICS (2009)
High-resolution spectroscopy for Cepheids distance determination V. Impact of the cross-correlation method on the p-factor and the gamma-velocities Nardetto, N.; Gieren, W.; Kervella, P.; Fouque, P.; Storm, J; Pietrzynski G.; Mourard, D; Queloz, D Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2009)
THE ARAUCARIA PROJECT. DETERMINATION OF THE LARGE MAGELLANIC CLOUD DISTANCE FROM LATE-TYPE ECLIPSING BINARY SYSTEMS. I. OGLE-051019.64-685812.3 Pietrzynski G.; Thompson, IB; Graczyk, D.; Gieren, W.; Udalski, A; Szewczyk O.; Minniti, D; Kolaczkowski, Z; Bresolin, F; Kudritzki, RP Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2009)
THE ARAUCARIA PROJECT. INFRARED TIP OF THE RED GIANT BRANCH DISTANCES TO THE CARINA AND FORNAX DWARF SPHEROIDAL GALAXIES Pietrzynski G.; Górski M.; Gieren, W.; Ivanov, VD; Bresolin, F; Kudritzki, RP Article ISI SCOPUS ASTRONOMICAL JOURNAL (2009)
THE ARAUCARIA PROJECT: THE DISTANCE TO THE SCULPTOR GALAXY NGC 247 FROM NEAR-INFRARED PHOTOMETRY OF CEPHEID VARIABLES Gieren, W.; Pietrzynski G.; Soszynski I.; Szewczyk O.; Bresolin, F; Kudritzki, RP; Urbaneja, MA; Storm, J; Minniti, D; Garcia-Varela, A Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2009)
THE ARAUCARIA PROJECT: THE DISTANCE TO THE SMALL MAGELLANIC CLOUD FROM NEAR-INFRARED PHOTOMETRY OF RR LYRAE VARIABLES Szewczyk O.; Pietrzynski G.; Gieren, W.; Ciechanowska, A; Bresolin, F; Kudritzki, RP Article ISI SCOPUS ASTRONOMICAL JOURNAL (2009)
A catalogue of Be stars in the direction of the Galactic Bulge Sabogal, BE; Mennickent, RE; Pietrzynski G.; Garcia, JA; Gieren, W.; Kolaczkowski, Z Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2008)
A transiting planet among 23 new near-threshold candidates from the OGLE survey - OGLE-TR-182 Pont F.; Tamuz, O; Udalski, A; Mazeh, T.; Bouchy F.; Melo, C; Naef D.; Santos, NC; Moutou, C; Diaz, RF; Gieren, W.; Gillon M.; Hoyer, S; Kubiak M.; Mayor, M; Minniti, D; Pietrzynski G.; Queloz, D; Ramirez, S.; RUIZ, MT; Shporer, A; Soszynski I.; Szewczyk O.; Szymanski, MK; Udry, S; Ulaczyk, K; Wyrzykowski L.; Zoccali, M Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2008)
OGLE-TR-211 - a new transiting inflated hot Jupiter from the OGLE survey and ESO LP666 spectroscopic follow-up program Udalski, A; Pont F.; Naef D.; Melo, C; Bouchy F.; Santos, NC; Moutou, C; Diaz, RF; Gieren, W.; Gillon M.; Hoyer, S; Mayor, M; Mazeh, T.; Minniti, D; Pietrzynski G.; Queloz, D; Ramirez, S.; RUIZ, MT; Shporer, A; Tamuz, O; Udry, S; Zoccali, M; Kubiak M.; Szymanski, MK; Soszynski I.; Szewczyk O.; Ulaczyk, K; Wyrzykowski L. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2008)
Quantitative spectroscopy of 24 A supergiants in the sculptor galaxy NGC 300: Flux-weighted gravity-luminosity relationship, metallicity, and metallicity gradient Kudritzki, RP; Urbaneja, MA; Bresolin, F; Przybilla, N; Gieren, W.; Pietrzynski G. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2008)
The Araucaria Project. The distance of the Large Magellanic Cloud from near-infrared photometry of RR Lyrae variables Szewczyk O.; Pietrzynski G.; Gieren, W.; Storm, J; Walker A.; Rizzi L.; Kinemuchi K.; Bresolin, F; Kudritzki, RP; Dallâ€™Ora M. Article ISI SCOPUS ASTRONOMICAL JOURNAL (2008)
The Araucaria Project: Near- infrared photometry of Cepheid variables in the sculptor galaxy NGC 55 Gieren, W.; Pietrzynski G.; Soszynski I.; Bresolin, F; Kudritzki, RP; Storm, J Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2008)
The Araucaria Project: The distance to the Local Group galaxy WLM from near-infrared photometry of Cepheid variables Gieren, W.; Pietrzynski G.; Szewczyk O.; Soszynski I.; Bresolin, F; Kudritzki, RP; Urbaneja, MA; Storm, J; Minniti, D Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2008)
The Araucaria project: The distance to the Sculptor dwarf spheroidal galaxy from infrared photometry of RR Lyrae stars Pietrzynski G.; Gieren, W.; Szewczyk O.; Walker A.; Rizzi L.; Bresolin, F; Kudritzki, RP; Nalewajko K.; Storm, J; Dallâ€™Ora M.; Ivanov V. Article ISI SCOPUS ASTRONOMICAL JOURNAL (2008)
THE ARAUCARIA PROJECT: THE DISTANCE TO THE SCULPTOR GROUP GALAXY NGC 247 FROM CEPHEID VARIABLES DISCOVERED IN A WIDE-FIELD IMAGING SURVEY Garcia-Varela, A; Pietrzynski G.; Gieren, W.; Udalski, A; Soszynski I.; Walker A.; Bresolin, F; Kudritzki, RP; Szewczyk O.; Szymanski, M; Kubiak M.; Wyrzykowski L. Article ISI SCOPUS ASTRONOMICAL JOURNAL (2008)
The araucaria project: The local group galaxy WLM-distance and metallicity from quantitative spectroscopy of blue supergiants Urbaneja, MA; Kudritzki, RP; Bresolin, F; Przybilla, N; Gieren, WG; Pietrzynski G. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2008)
The Araucaria Project: VLT-spectroscopy of blue massive stars in NGC55 Castro N.; Herrero, A.; García, M; Trundle, C; Bresolin, F; Gieren, W.; Pietrzynski G.; Kudritzki, RP; Demarco, R Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2008)
The eclipsing LMC star OGLE 05155332-6925581: a clue for double periodic variables Mennickent, RE; Kolaczkowski, Z; Michalska G.; Pietrzynski G.; Gallardo R.; Cidale, L.; Granada A.; Gieren, W. Article ISI SCOPUS MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY (2008)
A new calibration of Galactic Cepheid period-luminosity relations from B to K bands, and a comparison to LMC relations Fouque, P.; Arriagada, P; Storm, J; Barnes, TG; Nardetto, N.; Mérand A.; Kervella, P.; Gieren, W.; Bersier D.; Benedict, GF; McArthur, BE Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2007)
A new Neptune-mass planet orbiting HD219828 Melo, C; Santos, NC; Gieren, W.; Pietrzynski G.; RUIZ, MT; Sousa, SG; Bouchy F.; Lovis, C; Mayor, M; Pepe, F; Queloz, D; Da Silva, R; Udry, S Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2007)
Millimagnitude photometry for transiting extrasolar planetary candidates. II. transits of OGLE-TR-113-B in the optical and near-ir Diaz, RF; Ramirez, S.; Fernandez, JM; Gallardo J.; Gieren, W.; Ivanov, VD; Mauas, P; Minniti, D; Pietrzynski G.; Pérez F.; RUIZ, MT; Udalski, A; Zoccali, M Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2007)
Millimagnitude photometry for transiting extrasolar planetary candidates. III. accurate radius and period for OGLE-TR-111-B Minniti, D; Fernandez, JM; Diaz, RF; Udalski, A; Pietrzynski G.; Gieren, W.; Rojo, P; RUIZ, MT; Zoccali, M Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2007)
Millimagnitude photometry for transiting extrasolar planetary candidates. IV. Solution to the puzzle of the extremely red OGLE-TR-82 primary Hoyer, S; Ramírez Alegría S.; Ivanov, VD; Minniti, D; Pietrzynski G.; RUIZ, MT; Gieren, W.; Udalski, A; Zoccali, M; Carrasco, ER; Diaz, RF; Fernandez, JM; Gallardo J.; Rejkuba, M; Pérez F. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2007)
The 666" collaboration on OGLE transits I. Accurate radius of the planets OGLE-TR-10b and OGLE-TR-56b with VLT deconvolution photometry" Pont F.; Moutou, C; Gillon M.; Udalski, A; Bouchy F.; Fernandes, JM; Gieren, W.; Mayor, M; Mazeh, T.; Minniti, D; Melo, C; Naef D.; Pietrzynski G.; Queloz, D; RUIZ, MT; Santos, NC; Udry, S Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2007)
The abundances of nearby red clump giants Liu, YJ; Zhao G.; Shi, JR; Pietrzynski G.; Gieren, W. Article ISI SCOPUS MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY (2007)
The Araucaria Project: The distance to the local group galaxy WLM from Cepheid variables discovered in a wide-field imaging survey Pietrzynski G.; Gieren, W.; Udalski, A; Soszynski I.; Bresolin, F; Kudritzki, RP; Garcia, A.; Minniti, D; Mennickent, R.; Szewczyk O.; Szymanski, M; Kubiak M.; Wyrzykowski L. Article ISI SCOPUS ASTRONOMICAL JOURNAL (2007)
The araucaria project: VLT-FORS spectroscopy of blue supergiants in NGC 3109 - Classifications, first abundances, and kinematics Evans, CJ; Bresolin, F; Urbaneja, MA; Pietrzynski G.; Gieren, W.; Kudritzki, RP Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2007)
VLT spectroscopy of blue supergiants in IC 1613(1) Bresolin, F; Urbaneja, MA; Gieren, W.; Pietrzynski G.; Kudritzki, RP Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2007)
Blue and yellow long-period variables in the direction of the Small Magellanic Cloud Mennickent, RE; Cidale, L.; Pietrzynski G.; Gieren, W.; Sabogal B. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2006)
Millimagnitude optical photometry for the transiting planetary candidate OGLE-TR-109 Fernandez, JM; Minniti, D; Pietrzynski G.; Gieren, W.; RUIZ, MT; Zoccali, M; Udalski, A; Szeifert T. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2006)
The Araucaria project. Bright variable stars in NGC6822 from a wide-field imaging survey Mennickent, RE; Gieren, W.; Soszynski I.; Pietrzynski G. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2006)
The Araucaria Project: A wide-field photometric survey for cepheid variables in NGC 3109 Pietrzynski G.; Gieren, W.; Udalski, A; Soszynski I.; Bresolin, F; Kudritzki, RP; Mennickent, R.; Kubiak M.; Szymanski, M; Hidalgo, S. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2006)
The Araucaria project: An accurate distance to the local group galaxy ngc 6822 from near-infrared photometry of cepheid variables Gieren, W.; Pietrzynski G.; Nalewajko K.; Soszynski I.; Bresolin, F; Kudritzki, RP; Minniti, D; Romanowsky, A Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2006)
The Araucaria Project: Distance to the local group galaxy NGC 3109 from near-infrared photometry of cepheids Soszynski I.; Gieren, W.; Pietrzynski G.; Bresolin, F; Kudritzki, RP; Storm, J Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2006)
The Araucaria project: The distance to NGC 300 from the red giant branch tip using HST ACS imaging Rizzi L.; Bresolin, F; Kudritzki, RP; Gieren, W.; Pietrzynski G. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2006)
The Araucaria Project: The distance to the local group galaxy IC 1613 from near-infrared photometry of Cepheid variables Pietrzynski G.; Gieren, W.; Soszynski I.; Bresolin, F; Kudritzki, RP; Dallâ€™Ora M.; Storm, J; Bono, G Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2006)
The Araucaria project: The distance to the Sculptor Group galaxy NGC 55 from a newly discovered abundant Cepheid population Pietrzynski G.; Gieren, W.; Soszynski I.; Udalski, A; Bresolin, F; Kudritzki, RP; Mennickent, R.; Walker A.; Garcia, A.; Szewczyk O.; Szymanski, M; Kubiak M.; Wyrzykowski L. Article ISI SCOPUS ASTRONOMICAL JOURNAL (2006)
The Araucaria Project: VLT spectra of blue supergiants in WLM - Classification and first abundances Bresolin, F; Pietrzynski G.; Urbaneja, MA; Gieren, W.; Kudritzki, RP; Venn, KA Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2006)
The Space Interferometry Mission astrometric grid giant star survey. I. Stellar parameters and radial velocity variability Bizyaev, D; SMITH, VV; Arenas, J; Geisler, D; Majewski, SR; Patterson, RJ; Cunha, K; Del Pardo, C; SUNTZEFF, NB; Gieren, W. Article ISI SCOPUS ASTRONOMICAL JOURNAL (2006)
Variable stars in nearby galaxies VII. P-L relation in the BVRI bands of Cepheids in IC 1613 Antonello, E.; Fossati, L; Fugazza D.; Mantegazza, L; Gieren, W. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2006)
A survey for OB associations in the sculptor group spiral galaxy NGC7793 Pietrzynski, N; Ulaczyk, K; Gieren, W.; Bresolin, F; Kudritzki, RP Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2005)
Be star candidates in the Large Magellanic Cloud: the catalogue and comparison with the Small Magellanic Cloud sample Sabogal, BE; Mennickent, RE; Pietrzynski G.; Gieren, W. Article ISI SCOPUS MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY (2005)
Classical cepheid pulsation models. X. The period-age relation Bono, G; Marconi, M; Cassisi, S; Caputo F.; Gieren, W.; Pietrzynski G. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2005)
Direct distances to Cepheids in the Large Magellanic Cloud: Evidence for a universal slope of the period-luminosity relation up to solar abundance Gieren, W.; Storm, J; Barnes, TG; Fouque, P.; Pietrzynski G.; Kienzle, F Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2005)
Mean JHK magnitudes of fundamental-mode Cepheids from single-epoch observations Soszynski I.; Gieren, W.; Pietrzynski G. Article ISI SCOPUS PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC (2005)
On the alpha-element abundance gradients in the disk of the sculptor spiral galaxy NGC 300 Urbaneja, MA; Herrero, A.; Bresolin, F; Kudritzki, RP; Gieren, W.; Puls J.; Przybilla, N; Najarro, F; Pietrzynski G. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2005)
Revealing the nature of double-periodic blue variables in the Magellanic Clouds Mennickent, RE; Cidale, L.; Diaz M.; Pietrzynski G.; Gieren, W.; Sabogal B. Article ISI SCOPUS MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY (2005)
The Araucaria project: Near-infrared photometry of Cepheid variables in the Sculptor galaxy NGC 300 Gieren, W.; Pietrzynski G.; Soszynski I.; Bresolin, F; Kudritzki, RP; Minniti, D; Storm, J Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2005)
The Araucaria Project: The effect of blending on the Cepheid distance to NGC 300 from Advanced Camera for Surveys images Bresolin, F; Pietrzynski G.; Gieren, W.; Kudritzki, RP Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2005)
On the photometric variability of blue supergiants in NGC 300 and its impact on the flux-weighted gravity-luminosity relationship Bresolin, F; Pietrzynski G.; Gieren, W.; Kudritzki, RP; Przybilla, N; Fouque, P. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2004)
The Araucaria project. Variable stars outside the local group: NGC 300 Mennickent, RE; Pietrzynski G.; Gieren, W. Article ISI SCOPUS MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY (2004)
The Araucaria Project: An improved distance to the Sculptor spiral galaxy NGC 300 from its Cepheid variables Gieren, W.; Pietrzynski G.; Walker A.; Bresolin, F; Minniti, D; Kudritzki, RP; Udalski, A; Soszynski I.; Fouque, P.; Storm, J; Bono, G Article ISI SCOPUS ASTRONOMICAL JOURNAL (2004)
The Araucaria project: The distance to the local group galaxy NGC 6822 from Cepheid variables discovered in a wide-field imaging survey 1 Pietrzynski G.; Gieren, W.; Udalski, A; Bresolin, F; Kudritzki, RP; Soszynski I.; Szymanski, M; Kubiak M. Article ISI ASTRONOMICAL JOURNAL (2004)
The transiting extrasolar giant planet around the star OGLE-TR-113 Konacki, M; Torres, G; Sasselov, DD; Pietrzynski G.; Udalski, A; Jha, S.; RUIZ, MT; Gieren, W.; Minniti, D Article ISI ASTROPHYSICAL JOURNAL (2004)
Double-periodic blue variables in the Magellanic Clouds Mennickent, RE; Pietrzynski G.; Diaz M.; Gieren, W. Article ISI ASTRONOMY & ASTROPHYSICS (2003)
GaBoDS: The Garching-Bonn Deep Survey - I. Anatomy of galaxy clusters in the background of NGC 300 Schirmer, M; Erben, T; Schneider, P.; Pietrzynski G.; Gieren, W.; Carpano, S.; Micol, A; Pierfederici, F Article ISI ASTRONOMY & ASTROPHYSICS (2003)
Quantitative spectral analysis of early B-type supergiants in the Sculptor galaxy NGC 300 Urbaneja, MA; Herrero, A.; Bresolin, F; Kudritzki, RP; Gieren, W.; Puls J. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2003)
The Araucaria Project: Dependence of mean K, J, and I absolute magnitudes of red clump stars on metallicity and age Pietrzynski G.; Gieren, W.; Udalski, A Article ISI SCOPUS ASTRONOMICAL JOURNAL (2003)
Determination of the distance to M33 based on single-epoch I-band Hubble Space Telescope observations of Cepheids LEE, MG; Kim, M; Sarajedini, A; Geisler, D; Gieren, W. Article ISI ASTROPHYSICAL JOURNAL (2002)
Discovery and quantitative spectral analysis of an ofpe/WN9 (WN11) star in the Sculptor spiral galaxy NGC 300 Bresolin, F; Kudritzki, RP; Najarro, F; Gieren, W.; Pietrzynski G. Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2002)
Exploring halo substructure with giant stars. III. First results from the Grid Giant Star Survey and discovery of a possible nearby Sagittarius tidal structure in Virgo Kundu, A.; Majewski, SR; Rhee J.; Rocha-Pinto, HJ; Polak, AA; Slesnick, CL; Kunkel, WE; Johnston, KV; Patterson, RJ; Geisler, D; Gieren, W.; Seguel, J.; SMITH, VV; Palma C.; Arenas, J; Crane, JD; Hummels, CB Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2002)
On Be star candidates and possible blue pre-main sequence objects in the Small Magellanic Cloud Mennickent, RE; Pietrzynski G.; Gieren, W.; Szewczyk O. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2002)
Photometric standard stars in the BVI system in a wide field centered on the spiral galaxy NGC 300 Pietrzynski G.; Gieren, W.; Udalski, A Article ISI SCOPUS PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC (2002)
Spectroscopy of blue supergiants in the spiral galaxy NGC 300 Bresolin, F; Gieren, W.; Kudritzki, RP; Pietrzynski G.; Przybilla, N Article ISI SCOPUS ASTROPHYSICAL JOURNAL (2002)
The Araucaria Project: Deep near-infrared survey of nearby galaxies. I. The distance to the Large Magellanic Cloud from K-band photometry of red clump stars Pietrzynski G.; Gieren, W. Article ISI SCOPUS ASTRONOMICAL JOURNAL (2002)
The ARAUCARIA project: Discovery of Cepheid variables in NGC 300 from a wide-field imaging survey Pietrzynski G.; Gieren, W.; Fouque, P.; Pont F. Article ISI ASTRONOMICAL JOURNAL (2002)
A catalog of OB associations in the spiral galaxy NGC 300 Pietrzynski G.; Gieren, W.; Fouque, P.; Pont, A Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2001)
Metallicity effects on classical Cepheids: Velocity curve morphology of outer disc Cepheids Pont F.; Kienzle, F; Gieren, W.; Fouque, P. Article ISI SCOPUS ASTRONOMY & ASTROPHYSICS (2001)
The globular cluster system of the low-luminosity elliptical galaxy NGC 1427 FORTE, JC; Geisler, D; Ostrov, PG; PIATTI, AE; Gieren, W. Article ISI SCOPUS ASTRONOMICAL JOURNAL (2001)


Highlights on eclipsing binary variables from Araucaria Project Karczmarek, P; Pietrzy?ski, G.; Gieren, W.; Pilecki, B.; Graczyk, D.; Thompson, I; Górski M.; Konorski, P; Suchomska, K; Nardetto, N.; Smolec, R ConferencePaper SCOPUS EPJ Web of Conferences (2015)
Precise Distances to the Magellanic Clouds From Unique Late-Type Long-Period Eclipsing Binaries Pietrzynski G.; Thompson, I; Graczyk, D.; Gieren, W.; Minniti, D ConferencePaper BINARIES - KEY TO COMPREHENSION OF THE UNIVERSE (2010)
From the Dynamics of Cepheids to the Milky Way Rotation, and the Distance Scale Calibration Nardetto, N.; Kervella, P.; Barnes, T; Bersier D.; Fokin A.; Fouque, P.; Gieren, W.; Gillet D.; Groh, JH; Kraus S.; Mathias, P; Mérand A.; Millour, F; Mourard, D; Pietrzynski G.; Queloz, D; Stoekl, A; Storm, J ConferencePaper FIRST LATIN AMERICAN SYMPOSIUM ON HIGH ENERGY PHYSICS AND VII MEXICAN SCHOOL OF PARTICLES AND FIELDS (2009)
THE ARAUCARIA PROJECT. IMPROVING THE COSMIC DISTANCE SCALE Pietrzynski G.; Gieren, W. ConferencePaper V WORKSHOP ON ROBOTIC AUTONOMOUS OBSERVATORIES, 2017 (2009)
VISTA MILKY WAY PUBLIC SURVEY Minniti, D; Lucas P.; Ahumada, AV; Zoccali, M; Catelan, M.; Morelli L.; Tappert C.; Pignata, G.; Toledo, I; RUIZ, MT; Carraro, G; Casassus, S.; Bronfman, L.; BARBA, RH; Gamen, R; Gieren, W.; Geisler, D; Pietrzynski G.; Mennickent, RE; Kurtev, R; Borissova, J.; Mirabel, F; Ivanov, VD; Saviane, I; Vanzi L.; Monaco, L; Rejkuba, M; Messineo M.; Bedin, L.; Stephens A.; Barbuy, B; Bica, E; CLARIA, JJ; Emerson, J; Drew, J.; Lopez-Correidora, M; Martin E.; Goldman B.; Gianinni, T; Eisloeffel, J.; Groot P.; Fabregat, J; Hambly, N; Longmore A.; Walton, N.; de Grijs, R; Hoare M.; Schroeder, A; Naylor, T.; Barlow, M; Zijlstra A.; White, G.; Gosling, A; McGowan, K; Adamson A.; Bandyopadhyay, R; Thompson, M; Cropper M.; Lucey, J; Kerins, E; Hodgkin S.; Pinfield D. ConferencePaper V WORKSHOP ON ROBOTIC AUTONOMOUS OBSERVATORIES, 2017 (2009)
Spectroscopy of blue and yellow long-period variables in the Small Magellanic Cloud Mennickent, RE; Cidale, LS; Pietrzynski G.; Gieren, W.; Sabogal B. ConferencePaper ISI V WORKSHOP ON ROBOTIC AUTONOMOUS OBSERVATORIES, 2017 (2006)
The Araucaria project - improving stellar distance indicators Pietrzynski G.; Gieren, W. ConferencePaper ISI VARIABLE STARS IN THE LOCAL GROUP (2004)


THE ARAUCARIA PROJECT: FIRST CEPHEID DISTANCE TO THE SCULPTOR GROUP GALAXY NGC 7793 FROM VARIABLES DISCOVERED IN A WIDE-FIELD IMAGING SURVEY (vol 140, 1475, 2010) Pietrzynski G.; Gieren, W.; Hamuy, M.; Pignata, G.; Soszynski I.; Udalski, A; Walker A.; Fouque, P.; Bresolin, F; Kudritzki, RP; Garcia-Varela, A; Szewczyk O.; Szymanski, M; Kubiak M.; Wyrzykowski L. Errata ISI SCOPUS Astronomical Journal (2011)


Photometrie maps based on the OGLE-III shallow survey in the Large Magellanic Cloud Ulaczyk, K; Szymanski M.K.; Udalski, A; Kubiak M.; Pietrzynski G.; Soszynski I.; Wyrzykowski L.; Poleski, R; Gieren, W.; Walker, A. R.; Garcia-Varela, A Review ACTA ASTRONOMICA (2012)
EXTRAGALACTIC CHEMICAL ABUNDANCES: DO HII REGIONS AND YOUNG STARS TELL THE SAME STORY? THE CASE OF THE SPIRAL GALAXY NGC 300 Bresolin, F; Gieren, W.; Kudritzki, RP; Pietrzynski G.; Urbaneja, MA; Carraro, G Review ISI ASTROPHYSICAL JOURNAL (2009)

192

Wolfgang Gieren

Full Professor

Astronomy

UNIVERSIDAD DE CONCEPCIÓN

Concepción, Chile

Dante Minniti

Professor

Facultad de Ciencias Exactas

UNIVERSIDAD ANDRES BELLO

Santiago, Chile

Manuela Zoccali

Profesor Asociado

Facultad de Física

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

Alexandre Gallenne

Fellow

Astronomy

UNIVERSIDAD DE CONCEPCION, DEPARTAMENTO DE ASTRONOMÍA, FACULTAD DE CIENCIAS FÍSICAS Y MATEMÁTICAS

concepción, Chile

Ronald Mennickent

Full professor

Astronomy

Universidad de Concepción

Concepción, Chile

Maria Ruiz

Profesor Titular

DEPARTAMENTO DE ASTRONOMÍA, UNIVERSIDAD DE CHILE

Santiago, Chile

Douglas Geisler

Full Professor

Astronomy

UNIVERSIDAD DE CONCEPCION, DEPTO DE ASTRONOMIA

Concepcion, Chile

Jordanka Borissova

Full Professor, grado 4

Facultad de Ciencias

Universidad de Valparaiso

Valparaíso, Chile

Márcio Catelan

Full Professor

Instituto de Astrofísica

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

Radostin Kurtev

Titular

Instituto de Física y Astronomía

UNIVERSIDAD DE VALPARAÍSO

Valparaíso, Chile

Leonardo Bronfman

Full Professor

Astronomy

UNIVERSIDAD DE CHILE, FACULTAD DE CIENCIAS FÍSICAS Y MATEMÁTICAS

Santiago, Chile

Sandro Villanova

Associate Profesor

Astronomy

UNIVERSIDAD DE CONCEPCION, DEPTO DE ASTRONOMIA

Concepcion, Chile

Sebastián Ramírez

Profesor asistente

Centro de Astronomía, Universidad de Antofagasta

Antofagasta, Chile

Rodolfo Barbá

Director

Astronomía

DEPARTAMENTO DE ASTRONOMÍA - UNIVERSIDAD DE LA SERENA

La Serena, Chile

Christian Moni Bidin

Director

Vicerrectoría de Investigación y Desarrollo Tecnológico

Universidad Católica del Norte

Antofagasta, Chile

Lorenzo Monaco

Profesor asistente

UNIVERSIDAD ANDRES BELLO

Santiago, Chile

Jose Arenas

Profesor asociado.

Curriculum and Instruction

UNIVERSITY OF CONCEPCION

Concepcion, Chile

Claus Tappert

Profesor ad honorem

Instituto de Física y Astronomía

Universidad de Valparaíso

Valparaiso, Chile

Matthias Schreiber

Profesor Titular

Departamento de Fisica

Universidad Técnica Federico Santa María

Valparaiso, Chile

Andres Jordan

Profesor

Universidad Adolfo Ibánez

Santiago, Chile

Mario Hamuy

DEPARTAMENTO DE ASTRONOMÍA, UNIVERSIDAD DE CHILE

Santiago, Chile

Leonardo Vanzi

full time

Electrical Engineering

Pontificia Universidad Catolica de Chile

Santiago, Chile

Juan Beamin

Coordinador científico

Vicerrectoría de investigación y postgrado

Universidad Autónoma de Chile

Santiago, Chile

Nelson Padilla

Profesor Titular

Astrophysics

Universidad Católica de Chile

Santiago, Chile

Simon Casassus

Profesor Titular

Astronomía

DEPARTAMENTO DE ASTRONOMÍA, UNIVERSIDAD DE CHILE

Santiago, Chile

Veronica Motta

Profesor Titular

Instituto de Fisica y Astronomia

Universidad de Valparaiso

Valparaíso, Chile

Ricardo Demarco

Profesor Titular

Ciencias Físicas

Universidad Andrés Bello

Talcahuano, Chile

Javier Alonso

Associate Professor

Centro de Astronomía (CITEVA)

Universidad de Antofagasta

Antofagasta, Chile

Maximiliano Moyano

Director

Instituto de Astronomía

UNIVERSIDAD CATOLICA DEL NORTE

Antofagasta, Chile

Michael Fellhauer

profesor titular

Departamento de Astronomia

Universidad de Concepción

Concepcion, Chile

Wolfgang Gieren

Líneas de Investigación

Educación

extragalactic distance scale, pulsating stars, stellar distance indicators, UNIVERSITY OF BONN. Alemania, 1975

Experiencia Académica

Full Professor Full Time

Experiencia Profesional

Visiting Professor Full Time

Formación de Capital Humano

Premios y Distinciones

Wolfgang Gieren

Wolfgang Gieren

Wolfgang Gieren

Wolfgang Gieren

Wolfgang Gieren

Wolfgang Gieren

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