PUBLICATIONS SORTED BY DATE

This page provides information on papers published by members of the Araucaria Project sorted by publication date.

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See also astro-ph papers referring or citing Araucaria.

 

2018

The Late-type Eclipsing Binaries in the Large Magellanic Cloud: Catalog of Fundamental Physical Parameters
D. Graczyk, G. Pietrzyński, I.B. Thompson, W. Gieren, B. Pilecki, P. Konorski, S. Villanova, M. Górski, K. Suchomska, P. Karczmarek, K. Stępień, J. Storm, M. Taormina, Z. Kołaczkowski, P. Wielgórski, W. Narloch, B. Zgirski, A. Gallenne, J. Ostrowski, R. Smolec, …
2018, ApJ, 860, 1

The Araucaria Project: High-precision Cepheid Astrophysics from the Analysis of Variables in Double-lined Eclipsing Binaries
B. Pilecki, W. Gieren, G. Pietrzyński, I.B. Thompson, R. Smolec, D. Graczyk, M. Taormina, A. Udalski, J. Storm, N. Nardetto, A. Gallenne, P. Kervella, I. Soszyński, M. Górski, P. Wielgórski, K. Suchomska, P. Karczmarek, B. Zgirski
2018, ApJ, 862, 43

2017

The Araucaria Project. The Distance to the Sculptor Group Galaxy NGC 7793 from Near-infrared Photometry of Cepheid Variables
B. Zgirski, W. Gieren, G. Pietrzyński, P. Karczmarek, M. Górski, P. Wielgórski, W. Narloch, D. Graczyk, R.-P. Kudritzki, F. Bresolin
2017, ApJ, 847, 88

A Precision Determination of the Effect of Metallicity on Cepheid Absolute Magnitudes in VIJHK Bands from Magellanic Cloud Cepheids
P. Wielgórski, G. Pietrzyński, W. Gieren, M. Górski, R.-P. Kudritzki, B. Zgirski, F. Bresolin, J. Storm, N. Matsunaga, D. Graczyk, I. Soszyński
2017, ApJ, 842, 116

Mass and p-factor of the type II Cepheid OGLE-LMC-T2CEP-098 in a binary system
B. Pilecki, W. Gieren, R. Smolec, G. Pietrzyński, I. B. Thompson, R. I. Anderson, G. Bono, I. Soszyński, P. Kervella, N. Nardetto, M. Taormina, K. Stępień, P. Wielgórski
2017, ApJ, 842, 110more informationget data

The occurrence of Binary Evolution Pulsators in the classical instability strip of RR Lyrae and Cepheid variables.
P. Karczmarek, G. Wiktorowicz, K. Iłkiewicz, R. Smolec, K. Stępień, G. Pietrzyński, W. Gieren, K. Belczynski
2017, MNRAS, 466, 2842more information — get data

The surface brightness-color relations based on eclipsing binary stars: toward precision better than 1% in angular diameter predictions
D. Graczyk, P. Konorski, G. Pietrzyński, W. Gieren, J. Storm, N. Nardetto, A. Gallenne, P. F. L. Maxted, P. Kervella, Z. Kołaczkowski
2017, ApJ, 837, 7

HARPS-N high spectral resolution observations of Cepheids I. The Baade-Wesselink projection factor of delta-Cep revisited
N. Nardetto, E. Poretti, M. Rainer, A. Fokin, P. Mathias, R.I. Anderson, A. Gallenne, W. Gieren, D. Graczyk, P. Kervella, A. Mérand, D. Mourard, H. Neilson, G. Pietrzyński, B. Pilecki, J. Storm
2017, A&A, 597, A73

Observational calibration of the projection factor of Cepheids. IV. Period-projection factor relation of Galactic and Magellanic Cloud Cepheids
A. Gallenne, P. Kervella, A. Mérand, G. Pietrzyński, W. Gieren, N. Nardetto, B. Trahin
2017, A&A, 608A, 18

LMC Blue Supergiant Stars and the Calibration of the Flux-weighted Gravity-Luminosity Relationship
M.A. Urbaneja, R.-P. Kudritzki, W. Gieren, G. Pietrzyński, F. Bresolin, N. Przybilla
2017, AJ, 154, 102

The Araucaria Project: The Distance to the Fornax Dwarf Galaxy from Near-infrared Photometry of RR Lyrae Stars
P. Karczmarek, G. Pietrzyński, M. Górski, W. Gieren, D. Bersier
2017, AJ, 154, 263

Physical properties of the first spectroscopically confirmed red supergiant stars in the Sculptor Group galaxy NGC 55
L.R. Patrick, C.J. Evans, B. Davies, R.-P. Kudritzki, A.M.N. Ferguson, M. Bergemann, G. Pietrzyński, O. Turner
2017, MNRAS, 468, 492

Observational calibration of the projection factor of Cepheids III. The long-period Galactic Cepheid RS Puppis
P. Kervella, B. Trahin, H. E. Bond, A. Gallenne, L. Szabados, A. Mérand, J. Breitfelder, J. Dailloux, R. I. Anderson, P. Fouqué, W. Gieren, N. Nardetto, G. Pietrzyński
2017, A&A, 600, 127

2016

A Spectroscopic Study of Blue Supergiant Stars in the Sculptor Galaxy NGC 55: Chemical Evolution and Distance
R. P. Kudritzki, N. Castro, M. A. Urbaneja, I.-T. Ho, F. Bresolin, W. Gieren, G. Pietrzyński, N. Przybilla
2016, ApJ, 829, 70K

Young stars and ionized nebulae in M83: comparing chemical abundances at high metallicity
F. Bresolin, R. P. Kudritzki, M. A. Urbaneja, W. Gieren, I.-T. Ho, G. Pietrzyński
2016, ApJ, 830, 64

A solar twin in the eclipsing binary LL Aquarii
D. Graczyk, R. Smolec, K. Pavlovski, J. Southworth, G. Pietrzyński, P. F. L. Maxted, P. Konorski, W. Gieren, B. Pilecki, M. Taormina, K. Suchomska, P. Karczmarek, M. Górski, P. Wielgórski, R.I. Anderson
2016, A&A, 594, 92more information

Multiplicity of Galactic Cepheids from long-baseline interferometry III. Sub-percent limits on the relative brightness of a close companion of delta-Cephei
A. Gallenne, A. Merand, P. Kervella, J. D. Monnier, G. H. Schaefer, R. M. Roettenbacher, W. Gieren, G. Pietrzyński, H. McAlister, T. ten Brummelaar, J. Sturmann5, L. Sturmann, N. Turner, R.I. Anderson
2016, MNRAS, 461, 1451

VEGA/CHARA interferometric observations of Cepheids. I. A resolved structure around the prototype classical Cepheid delta-Cep in the visible spectral range
N. Nardetto, A. Mérand, D. Mourard, J. Storm, W. Gieren, P. Fouqué, A. Gallenne, D. Graczyk, P. Kervella, H. Neilson, G. Pietrzyński, B. Pilecki, J. Breitfelder, P. Berio, M. Challouf, J.-M. Clausse, R. Ligi, P. Mathias, A. Meilland, K. Perraut, …
2016, A&A, 593, A45

The Araucaria Project: On the Tip of the Red Giant Branch Distance Determination to the Magellanic Clouds
M. Górski, G. Pietrzyński, W. Gieren, M. Catelan, B. Pilecki, P. Karczmarek, K Suchomska, D. Graczyk, P. Konorski, B. Zgirski, P. Wielgórski
2016, AJ, 151, 167

Orbital and physical parameters, and the distance ef the eclipsing binary system OGLE-LMC-ECL-25658 in the Large Magellanic Cloud
S.S. Elgueta, D. Graczyk, W. Gieren, G. Pietrzyński, I.B. Thompson, P. Konorski, B. Pilecki, S. Villanova, A. Udalski, I. Soszynski, K. Suchomska, P. Karczmarek, M. Górski, P. Wielgórski
2016, AJ, 152, 29

The Araucaria Project: High-precision orbital parallax and masses of the eclipsing binary TZ Fornacis
A. Gallenne, G. Pietrzyński, D. Graczyk, P. Konorski, P. Kervella, A. Mérand, W. Gieren, R. I. Anderson, S. Villanova
2016, A&A, 586, A35

2015

The Araucaria Project: A study of the classical Cepheid in the eclipsing binary system OGLE LMC562.05.9009 in the Large Magellanic Cloud
W. Gieren, B. Pilecki, G. Pietrzyński, D. Graczyk, A. Udalski, I. Soszynski, I.B. Thompson, P.G. Prada Moroni, R. Smolec, P. Konorski, M. Górski, P. Karczmarek, K. Suchomoska, M. Taormina, A. Gallenne, J. Storm, B. Giuseppe, M. Catalan, M. Szymański, …
2015, ApJ, 815, 28more informationget data

The Araucaria Project: The Distance to the Carina Dwarf Galaxy from Infrared Photometry of RR Lyrae Stars
P. Karczmarek, G. Pietrzyński, W. Gieren, K. Suchomska, P. Konorski, M. Górski, B. Pilecki, D. Graczyk, P. Wielgórski
2015, AJ, 150, 90more information

The Araucaria project. Precise physical parameters of the eclipsing binary IO Aquarii
D. Graczyk, P.F.L. Maxted, G. Pietrzyński, B. Pilecki, P. Konorski, W. Gieren, J. Storm, A. Gallenne, R.I. Anderson, K. Suchomska, R.G. West, D. Pollacco, F. Faedi, G. Pojmański
2015, A&A, 581, 106

Robust high-contrast companion detection from interferometric observations
A. Gallenne, A. Mérand, P. Kervella, J. D. Monnier, G.H. Schaefer, F. Baron, J. Breitfelder, J.B. Le Bouquin, R.M. Roettenbacher, W. Gieren, G. Pietrzyński, H. McAlister, T. ten Brummelaar, J. Sturmann, L. Sturmann, N. Turner, S. Ridgway, S. Kraus
2015, A&A, 579, A68

Theoretical impact of fast rotation on calibrating the surface brightness-color relation for early-type stars
M. Challouf, N. Nardetto, A. Domiciano de Souza, D. Mourard, H. Aroui, P. Stee, O. Delaa, D. Graczyk, G. Pietrzyński, W. Gieren
2015, A&A, 579, A107

The Araucaria Project: The First-Overtone Classical Cepheid in the Eclipsing System OGLE-LMC-CEP-2532
B. Pilecki, D. Graczyk, W. Gieren, G. Pietrzyński, I.B. Thompson, R. Smolec, A. Udalski, I. Soszynski, P. Konorski, M. Taormina, A. Gallenne, D. Minniti, M. Catelan
2015, ApJ, 806, 29more informationget data

The Araucaria Project. Accurate stellar parameters and distance to evolved eclipsing binary ASAS J180057-2333.8 in Sagittarius Arm
K. Suchomska, D. Graczyk, R. Smolec, G. Pietrzyński, W. Gieren, K. Stępień, P. Konorski, B. Pilecki, S. Villanova, I.B. Thompson, M. Górski, P. Karczmarek, P. Wielgórski, R.I. Anderson
2015, MNRAS, 451, 651

Orbital and physical parameters of eclipsing binaries from the ASAS catalogue – VIII. The totally eclipsing double-giant system HD 187669
K. Hełminiak, D. Graczyk, M. Konacki, B. Pilecki, M. Ratajczak, G. Pietrzyński, P. Sybilski, S. Villanova, W. Gieren, G. Pojmański, P. Konorski, K. Suchomska, D. Reichart, K. Ivarsen, J. Haislip, A. LaCluyze
2015, MNRAS, 448, 1945

New NIR light-curve templates for classical Cepheids
L. Inno, N. Matsunaga, M. Romaniello, G. Bono, A. Monson, I. Ferraro, G. Iannicola, E. Persson, R. Buonanno, W. Freedman, W. Gieren, M. Groenewegen, Y. Ita, C. Laney, B. Lemasle, B. Madore, T. Nagayama, Y. Nakada, M. Nonino, G. Pietrzyński, F. Primas, …
2015, A&A, 576, A30

2014

Improving the surface brightness-color relation for early-type stars using optical interferometry
M. Challouf, N. Nardetto, D. Mourard, D. Graczyk, H. Aroui, O. Chesneau, O. Delaa, G. Pietrzyński, W. Gieren, R. Ligi, A. Meilland, K. Perraut, I. Tallon-Bosc, H. McAlister, T. ten Brummelaar, J. Sturmann, L. Sturmann, N. Turner, C. Farrington, N. Vargas, …
2014, A&A, 570, A104

Searching for visual companions of close Cepheids. VLT/NACO lucky imaging of Y Oph, FF Aql, X Sgr, W Sgr, and η Aql
A. Gallenne, P. Kervella, A. Mérand, N. Evans, J. Girard, W. Gieren, G. Pietrzyński
2014, A&A, 567, A60

The Araucaria Project. OGLE-LMC-CEP-1718: An Exotic Eclipsing Binary System Composed of Two Classical Overtone Cepheids in a 413 Day Orbit
W. Gieren, B. Pilecki, G. Pietrzyński, D. Graczyk, I. Thompson, I. Soszyński, P. Konorski, R. Smolec, A. Udalski, N. Nardetto, G. Bono, P. Prada Moroni, J. Storm, A. Gallenne
2014, ApJ, 786, 80 — more information

Quantitative Spectroscopy of Blue Supergiants in Metal-poor Dwarf Galaxy NGC 3109
M. Hosek, R.-P. Kudritzki, F. Bresolin, M. Urbaneja, C. Evans, G. Pietrzyński, W. Gieren, N. Przybilla, G. Carraro
2014, ApJ, 785, 151

VISTA Variables in the V’ıa Láctea (VVV): Halfway Status and Results
M. Hempel, D. Minniti, I. Dékány, R. Saito, P. Lucas, J. Emerson, A. Ahumada, S. Aigrain, M. Alonso, J. Alonso-Garc’ıa, E. Amôres, R. Angeloni, J. Arias, R. Bandyopadhyay, R. Barbá, B. Barbuy, G. Baume, J. Beamin, L. Bedin, E. Bica, J. Borissova, …
2014, Msngr, 155, 29

The Araucaria Project. The Distance to the Small Magellanic Cloud from Late-type Eclipsing Binaries
D. Graczyk, G. Pietrzyński, I. Thompson, W. Gieren, B. Pilecki, P. Konorski, A. Udalski, I. Soszyński, S. Villanova, M. Górski, K. Suchomska, P. Karczmarek, R.-P. Kudritzki, F. Bresolin, A. Gallenne
2014, ApJ, 780, 59more information

Multiplicity of Galactic Cepheids from long-baseline interferometry. II. The Companion of AX Circini revealed with VLTI/PIONIER
A. Gallenne, A. Mérand, P. Kervella, J. Breitfelder, J.-B. Le Bouquin, J. Monnier, W. Gieren, B. Pilecki, G. Pietrzyński
2014, A&A, 561, L3

2013

Physical parameters and the projection factor of the classical Cepheid in the binary system OGLE-LMC-CEP-0227
B. Pilecki, D. Graczyk, G. Pietrzyński, W. Gieren, I. Thompson, W. Freedman, V. Scowcroft, B. Madore, A. Udalski, I. Soszyński, P. Konorski, R. Smolec, N. Nardetto, G. Bono, P. Prada Moroni, J. Storm, A. Gallenne
2013, MNRAS, 436, 953more informationget data

The Araucaria Project. A Distance Determination to the Local Group Spiral M33 from Near-infrared Photometry of Cepheid Variables
W. Gieren, M. Górski, G. Pietrzyński, P. Konorski, K. Suchomska, D. Graczyk, B. Pilecki, F. Bresolin, R.-P. Kudritzki, J. Storm, P. Karczmarek, A. Gallenne, P. Calderón, D. Geisler
2013, ApJ, 773, 69

Variable Stars from the OGLE-III Shallow Survey in the Large Magellanic Cloud
K. Ulaczyk, M. Szymański, A. Udalski, M. Kubiak, G. Pietrzyński, I. Soszyński, Ł. Wyrzykowski, R. Poleski, W. Gieren, A. Walker, A. Garcia-Varela
2013, AcA, 63, 159-179

The Eclipsing Binary Cepheid OGLE-LMC-CEP-0227 in the Large Magellanic Cloud: Pulsation Modeling of Light and Radial Velocity Curves
M. Marconi, R. Molinaro, G. Bono, G. Pietrzyński, W. Gieren, B. Pilecki, R. Stellingwerf, D. Graczyk, R. Smolec, P. Konorski, K. Suchomska, M. Górski, P. Karczmarek
2013, ApJ, 768, L6

Understanding the dynamical structure of pulsating stars: The center-of-mass velocity and the Baade-Wesselink projection factor of the β Cephei star α Lupi
N. Nardetto, P. Mathias, A. Fokin, E. Chapellier, G. Pietrzyński, W. Gieren, D. Graczyk, D. Mourard
2013, A&A, 553, A112

Multiplicity of Galactic Cepheids from long-baseline interferometry. I. CHARA/MIRC detection of the companion of V1334 Cygni
A. Gallenne, J. Monnier, A. Mérand, P. Kervella, S. Kraus, G. Schaefer, W. Gieren, G. Pietrzyński, L. Szabados, X. Che, F. Baron, E. Pedretti, H. McAlister, T. ten Brummelaar, J. Sturmann, L. Sturmann, N. Turner, C. Farrington, N. Vargas
2013, A&A, 552, A21

An eclipsing-binary distance to the Large Magellanic Cloud accurate to two per cent
G. Pietrzyński, D. Graczyk, W. Gieren, I. Thompson, B. Pilecki, A. Udalski, I. Soszyński, S. Kozłowski, P. Konorski, K. Suchomska, G. Bono, P. Moroni, S. Villanova, N. Nardetto, F. Bresolin, R. Kudritzki, J. Storm, A. Gallenne, R. Smolec, D. Minniti, ….
2013, Nature, 495, 76more information

Pulsation models for the 0.26 M_Sun star mimicking RR Lyrae pulsator. Model survey for the new class of variable stars
R. Smolec, G. Pietrzyński, D. Graczyk, B. Pilecki, W. Gieren, I. Thompson, K. Stępień, P. Karczmarek, P. Konorski, M. Górski, K. Suchomska, G. Bono, P. Prada, N. Nardetto
2013, MNRAS, 428, 3034

2012

Photometric Maps Based on the OGLE-III Shallow Survey in the Large Magellanic Cloud
K. Ulaczyk, M. Szymański, A. Udalski, M. Kubiak, G. Pietrzyński, I. Soszyński, Ł. Wyrzykowski, R. Poleski, W. Gieren, A. Walker, A. Garcia-Varela
2012, AcA, 62, 247

The ARAUCARIA project: Grid-based quantitative spectroscopic study of massive blue stars in NGC 55
N. Castro, M. Urbaneja, A. Herrero, M. Garcia, S. Simón-D’ıaz, F. Bresolin, G. Pietrzyński, R.-P. Kudritzki, W. Gieren
2012, A&A, 542, A79

The Araucaria Project: An Accurate Distance to the Late-type Double-lined Eclipsing Binary OGLE SMC113.3 4007 in the Small Magellanic Cloud
D. Graczyk, G. Pietrzyński, I. Thompson, W. Gieren, B. Pilecki, A. Udalski, I. Soszyński, Z. Kołaczkowski, R.-P. Kudritzki, F. Bresolin, P. Konorski, R. Mennickent, D. Minniti, J. Storm, N. Nardetto, P. Karczmarek
2012, ApJ, 750, 144

RR-Lyrae-type pulsations from a 0.26-solar-mass star in a binary system
G. Pietrzyński, I. Thompson, W. Gieren, D. Graczyk, K. Stępień, G. Bono, P. Moroni, B. Pilecki, A. Udalski, I. Soszyński, G. Preston, N. Nardetto, A. McWilliam, I. Roederer, M. Górski, P. Konorski, J. Storm
2012, Nature, 484, 75more information

On the Evolutionary and Pulsation Mass of Classical Cepheids. III. The Case of the Eclipsing Binary Cepheid CEP0227 in the Large Magellanic Cloud
P. Prada Moroni, M. Gennaro, G. Bono, G. Pietrzyński, W. Gieren, B. Pilecki, D. Graczyk, I. Thompson
2012, ApJ, 749, 108

Determining the Cepheid Period-Luminosity Relation Using Distances to Individual Cepheids from the Near-infrared Surface Brightness Method
J. Storm, W. Gieren, P. Fouqué, T. Barnes, T. Granzer, N. Nardetto, G. Pietrzyński, D. Queloz, I. Soszyński, K. Strassmeier, M. Weber
2012, Msngr, 147, 14

Quantitative Spectroscopy of Blue Supergiant Stars in the Disk of M81: Metallicity, Metallicity Gradient, and Distance
R.-P. Kudritzki, M. Urbaneja, Z. Gazak, F. Bresolin, N. Przybilla, W. Gieren, G. Pietrzyński
2012, ApJ, 747, 15

A new Large Magellanic Cloud K-band distance from precision measurements of nearby red clump stars
C. Laney, M. Joner, G. Pietrzynski
2012, MNRAS, 419, 1637

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 V’ıa Láctea
R. Saito, M. Hempel, D. Minniti, P. Lucas, M. Rejkuba, I. Toledo, O. Gonzalez, J. Alonso-Garc’ıa, M. Irwin, E. Gonzalez-Solares, S. Hodgkin, J. Lewis, N. Cross, V. Ivanov, E. Kerins, J. Emerson, M. Soto, E. Amôres, S. Gurovich, I. Dékány, R. Angeloni, …
2012, A&A, 537, A107

2011

The VVV Survey of the Milky Way: first year results
D. Minniti, J. Clariá, R. Saito, M. Hempel, P. Lucas, M. Rejkuba, I. Toledo, O. Gonzalez, J. Alonso-Garc’ıa, M. Irwin, E. Gonzalez-Solares, N. Cross, V. Ivanov, M. Soto, I. Dékány, R. Angeloni, M. Catelan, E. Amôres, S. Gurovich, J. Emerson, J. Lewis, …
2011, BAAA, 54, 265

The Araucaria Project: Accurate Determination of the Dynamical Mass of the Classical Cepheid in the Eclipsing System OGLE-LMC-CEP-1812
G. Pietrzyński, I. Thompson, D. Graczyk, W. Gieren, B. Pilecki, A. Udalski, I. Soszynski, G. Bono, P. Konorski, N. Nardetto, J. Storm
2011, ApJ, 742, L20more information

Erratum: “The Araucaria Project: First Cepheid Distance to the Sculptor Group Galaxy NGC 7793 from Variables Discovered in a Wide-field Imaging Survey”
G. Pietrzyński, W. Gieren, M. Hamuy, G. Pignata, I. Soszyński, A. Udalski, A. Walker, P. Fouqué, F. Bresolin, R.-P. Kudritzki, A. Garcia-Varela, O. Szewczyk, M. Szymański, M. Kubiak, Ł. Wyrzykowski
2011, AJ, 142, 178

Calibrating the Cepheid period-luminosity relation from the infrared surface brightness technique. II. The effect of metallicity and the distance to the LMC
J. Storm, W. Gieren, P. Fouqué, T. Barnes, I. Soszyński, G. Pietrzyński, N. Nardetto, D. Queloz
2011, A&A, 534, A95

The Baade-Wesselink p-factor applicable to LMC Cepheids
N. Nardetto, A. Fokin, P. Fouqué, J. Storm, W. Gieren, G. Pietrzyński, D. Mourard, P. Kervella
2011, A&A, 534, L16

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
J. Storm, W. Gieren, P. Fouqué, T. Barnes, G. Pietrzyński, N. Nardetto, M. Weber, T. Granzer, K. Strassmeier
2011, A&A, 534, A94

The Araucaria Project. Infrared Tip of the Red Giant Branch Distances to Five Dwarf Galaxies in the Local Group
M. Górski, G. Pietrzyński, W. Gieren
2011, AJ, 141, 194

2010

The dynamical mass of a classical Cepheid variable star in an eclipsing binary system
G. Pietrzyński, I. Thompson, W. Gieren, D. Graczyk, G. Bono, A. Udalski, I. Soszyński, D. Minniti, B. Pilecki
2010, Nature, 468, 542 — more information

The Araucaria Project: First Cepheid Distance to the Sculptor Group Galaxy NGC 7793 from Variables Discovered in a Wide-field Imaging Survey
G. Pietrzyński, W. Gieren, M. Hamuy, G. Pignata, I. Soszyński, A. Udalski, A. Walker, P. Fouqué, F. Bresolin, R.-P. Kudritzki, A. Garcia-Varela, O. Szewczyk, M. Szymański, M. Kubiak, Ł. Wyrzykowski
2010, AJ, 140, 1475

The Araucaria Project. Population Effects on the V- and I-band Magnitudes of Red Clump Stars
G. Pietrzyński, M. Górski, W. Gieren, D. Laney, A. Udalski, A. Ciechanowska
2010, AJ, 140, 1038

VISTA Variables in the V’ıa Láctea (VVV): Current Status and First Results
R. Saito, M. Hempel, J. Alonso-Garc’ıa, I. Toledo, J. Borissova, O. González, J. Beamin, D. Minniti, P. Lucas, J. Emerson, A. Ahumada, S. Aigrain, M. Alonso, E. Amôres, R. Angeloni, J. Arias, R. Bandyopadhyay, R. Barbá, B. Barbuy, G. Baume, L. Bedin, …
2010, Msngr, 141, 24

The Araucaria Project: The Distance to the Small Magellanic Cloud from Near Infrared Photometry of Type II Cepheids
A. Ciechanowska, G. Pietrzyński, O. Szewczyk, W. Gieren, I. Soszyński
2010, AcA, 60, 233

VISTA Variables in the Via Lactea (VVV): The public ESO near-IR variability survey of the Milky Way
D. Minniti, P. Lucas, J. Emerson, R. Saito, M. Hempel, P. Pietrukowicz, A. Ahumada, M. Alonso, J. Alonso-Garcia, J. Arias, R. Bandyopadhyay, R. Barbá, B. Barbuy, L. Bedin, E. Bica, J. Borissova, L. Bronfman, G. Carraro, M. Catelan, J. Clariá, N. Cross, …
2010, NewA, 15, 433

Millimagnitude photometry for transiting extrasolar planetary candidates . V. Follow-up of 30 OGLE transits. New candidates
P. Pietrukowicz, D. Minniti, R. D’ıaz, J. Fernández, M. Zoccali, W. Gieren, G. Pietrzyński, M. Ru’ız, A. Udalski, T. Szeifert, M. Hempel
2010, A&A, 509, A4

2009

The Araucaria Project: The Distance to the Small Magellanic Cloud from Near-Infrared Photometry of RR Lyrae Variables
O. Szewczyk, G. Pietrzyński, W. Gieren, A. Ciechanowska, F. Bresolin, R.-P. Kudritzki
2009, AJ, 138, 1661

A New Distance to M33 Using Blue Supergiants and the FGLR Method
U, Vivian, M. Urbaneja, R. Kudritzki, B. Jacobs, F. Bresolin, N. Przybilla
2009, ApJ, 704, 1120

The Araucaria Project: The Distance to the Sculptor Galaxy NGC 247 from Near-Infrared Photometry of Cepheid Variables
W. Gieren, G. Pietrzyński, I. Soszyński, O. Szewczyk, F. Bresolin, R.-P. Kudritzki, M. Urbaneja, J. Storm, D. Minniti, A. Garc’ıa-Varela
2009, ApJ, 700, 1141

The Araucaria Project. Infrared Tip of the Red Giant Branch Distances to the Carina and Fornax Dwarf Spheroidal Galaxies
G. Pietrzyński, M. Górski, W. Gieren, V. Ivanov, F. Bresolin, R.-P. Kudritzki
2009, AJ, 138, 459

Deep census of variable stars in a VLT/VIMOS field in Carina
P. Pietrukowicz, D. Minniti, J. Fernández, G. Pietrzyński, M. Ru’ız, W. Gieren, R. D’ıaz, M. Zoccali, M. Hempel
2009, A&A, 503, 651

High-resolution spectroscopy for Cepheids distance determination. V. Impact of the cross-correlation method on the p-factor and the γ-velocities
N. Nardetto, W. Gieren, P. Kervella, P. Fouqué, J. Storm, G. Pietrzyński, D. Mourard, D. Queloz
2009, A&A, 502, 951

Extragalactic Chemical Abundances: Do H II Regions and Young Stars Tell the Same Story? The Case of the Spiral Galaxy NGC 300
F. Bresolin, W. Gieren, R.-P. Kudritzki, G. Pietrzyński, M. Urbaneja, G. Carraro
2009, ApJ, 700, 309

The Araucaria Project. Determination of the Large Magellanic Cloud Distance from Late-Type Eclipsing Binary Systems. I. OGLE-051019.64-685812.3
G. Pietrzyński, I. Thompson, D. Graczyk, W. Gieren, A. Udalski, O. Szewczyk, D. Minniti, Z. Kołaczkowski, F. Bresolin, R.-P. Kudritzki
2009, ApJ, 697, 862

2008

The Araucaria Project: the Distance to the Sculptor Group Galaxy NGC 247 from Cepheid Variables Discovered in a Wide-Field Imaging Survey
A. Garc’ıa-Varela, G. Pietrzyński, W. Gieren, A. Udalski, I. Soszyński, A. Walker, F. Bresolin, R.-P. Kudritzki, O. Szewczyk, M. Szymański, M. Kubiak, Ł. Wyrzykowski
2008, AJ, 136, 1770

The eclipsing LMC star OGLE05155332-6925581: a clue for double periodic variables
R. Mennickent, Z. Kołaczkowski, G. Michalska, G. Pietrzyński, R. Gallardo, L. Cidale, A. Granada, W. Gieren
2008, MNRAS, 389, 1605

Behind the Scenes of the Discovery of Two Extrasolar Planets: ESO Large Programme 666
D. Minniti, C. Melo, D. Naef, A. Udalski, F. Pont, C. Moutou, N. Santos, D. Queloz, T. Mazeh, M. Gillon, M. Mayor, S. Udry, R. Diaz, S. Hoyer, S. Ramirez, G. Pietrzyński, W. Gieren, M. Ruiz, M. Zoccali, O. Tamuz, A. Shporer, M. Kubiak, I. Soszynski, …
2008, Msngr, 133, 21

The Araucaria Project: The Local Group Galaxy WLM-Distance and Metallicity from Quantitative Spectroscopy of Blue Supergiants
M. Urbaneja, R.-P. Kudritzki, F. Bresolin, N. Przybilla, W. Gieren, G. Pietrzyński
2008, ApJ, 684, 118

The Araucaria Project: The Distance to the Local Group Galaxy WLM from Near-Infrared Photometry of Cepheid Variables
W. Gieren, G. Pietrzyński, O. Szewczyk, I. Soszyński, F. Bresolin, R.-P. Kudritzki, M. Urbaneja, J. Storm, D. Minniti
2008, ApJ, 683, 611

A transiting planet among 23 new near-threshold candidates from the OGLE survey – OGLE-TR-182
F. Pont, O. Tamuz, A. Udalski, T. Mazeh, F. Bouchy, C. Melo, D. Naef, N. Santos, C. Moutou, R. Diaz, W. Gieren, M. Gillon, S. Hoyer, M. Kubiak, M. Mayor, D. Minniti, G. Pietrzyński, D. Queloz, S. Ramirez, M. Ruiz, A. Shporer, I. Soszyński, O. Szewczyk, ….
2008, A&A, 487, 749

Quantitative Spectroscopy of 24 A Supergiants in the Sculptor Galaxy NGC 300: Flux-weighted Gravity-Luminosity Relationship, Metallicity, and Metallicity Gradient
R.-P. Kudritzki, M. Urbaneja, F. Bresolin, N. Przybilla, W. Gieren, G. Pietrzyński
2008, ApJ, 681, 269

The Araucaria Project. The Distance of the Large Magellanic Cloud from Near-Infrared Photometry of RR Lyrae Variables
O. Szewczyk, G. Pietrzyński, W. Gieren, J. Storm, A. Walker, L. Rizzi, K. Kinemuchi, F. Bresolin, R.-P. Kudritzki, M. Dall’Ora
2008, AJ, 136, 272

The Araucaria Project: VLT-spectroscopy of blue massive stars in NGC 55
N. Castro, A. Herrero, M. Garcia, C. Trundle, F. Bresolin, W. Gieren, G. Pietrzyński, R.-P. Kudritzki, R. Demarco
2008, A&A, 485, 41

The Araucaria Project: the Distance to the Sculptor Dwarf Spheroidal Galaxy from Infrared Photometry of RR Lyrae Stars
G. Pietrzyński, W. Gieren, O. Szewczyk, A. Walker, L. Rizzi, F. Bresolin, R.-P. Kudritzki, K. Nalewajko, J. Storm, M. Dall’Ora, V. Ivanov
2008, AJ, 135, 1993

OGLE-TR-211 – a new transiting inflated hot Jupiter from the OGLE survey and ESO LP666 spectroscopic follow-up program
A. Udalski, F. Pont, D. Naef, C. Melo, F. Bouchy, N. Santos, C. Moutou, R. D’ıaz, W. Gieren, M. Gillon, S. Hoyer, M. Mayor, T. Mazeh, D. Minniti, G. Pietrzyński, D. Queloz, S. Ramirez, M. Ruiz, A. Shporer, O. Tamuz, S. Udry, M. Zoccali, M. Kubiak, M. Szy…
2008, A&A, 482, 299

A catalogue of Be stars in the direction of the Galactic Bulge
B. Sabogal, R. Mennickent, G. Pietrzyński, J. Garc’ıa, W. Gieren, Z. Kolaczkowski
2008, A&A, 478, 659

The Araucaria Project: Near-Infrared Photometry of Cepheid Variables in the Sculptor Galaxy NGC 55
W. Gieren, G. Pietrzyński, I. Soszyński, F. Bresolin, R.-P. Kudritzki, J. Storm, D. Minniti
2008, ApJ, 672, 266

2007

The abundances of nearby red clump giants
Y. Liu, G. Zhao, J. Shi, G. Pietrzyński, W. Gieren
2007, MNRAS, 382, 553

VLT Spectroscopy of Blue Supergiants in IC 1613
F. Bresolin, M. Urbaneja, W. Gieren, G. Pietrzyński, R.-P. Kudritzki
2007, ApJ, 671, 2028

Millimagnitude Photometry for Transiting Extrasolar Planetary Candidates. IV. Solution to the Puzzle of the Extremely Red OGLE-TR-82 Primary
S. Hoyer, S. Ram’ırez Alegr’ıa, V. Ivanov, D. Minniti, G. Pietrzyński, M. Ru’ız, W. Gieren, A. Udalski, M. Zoccali, E. Carrasco, R. D’ıaz, J. Fernández, J. Gallardo, M. Rejkuba, F. Pérez
2007, ApJ, 669, 1345

The Araucaria Project: The Distance to the Local Group Galaxy WLM from Cepheid Variables Discovered in a Wide-Field Imaging Survey
G. Pietrzyński, W. Gieren, A. Udalski, I. Soszyński, F. Bresolin, R.-P. Kudritzki, A. Garcia, D. Minniti, R. Mennickent, O. Szewczyk, M. Szymański, M. Kubiak, Ł. Wyrzykowski
2007, AJ, 134, 594

Millimagnitude Photometry for Transiting Extrasolar Planetary Candidates. III. Accurate Radius and Period for OGLE-TR-111-b
D. Minniti, J. Fernández, R. D’ıaz, A. Udalski, G. Pietrzyński, W. Gieren, P. Rojo, M. Ru’ız, M. Zoccali
2007, ApJ, 660, 858

Millimagnitude Photometry for Transiting Extrasolar Planetary Candidates. II. Transits of OGLE-TR-113-b in the Optical and Near-IR
R. D’ıaz, S. Ram’ırez, J. Fernández, J. Gallardo, W. Gieren, V. Ivanov, P. Mauas, D. Minniti, G. Pietrzyński, F. Pérez, M. Ru’ız, A. Udalski, M. Zoccali
2007, ApJ, 660, 850

A new Neptune-mass planet orbiting HD 219828
C. Melo, N. Santos, W. Gieren, G. Pietrzyński, M. Ruiz, S. Sousa, F. Bouchy, C. Lovis, M. Mayor, F. Pepe, D. Queloz, R. da Silva, S. Udry
2007, A&A, 467, 721

The ARAUCARIA Project: VLT-FORS Spectroscopy of Blue Supergiants in NGC 3109-Classifications, First Abundances, and Kinematics
C. Evans, F. Bresolin, M. Urbaneja, G. Pietrzyński, W. Gieren, R.-P. Kudritzki
2007, ApJ, 659, 1198

The ”666” collaboration on OGLE transits. I. Accurate radius of the planets OGLE-TR-10b and OGLE-TR-56b with VLT deconvolution photometry
F. Pont, C. Moutou, M. Gillon, A. Udalski, F. Bouchy, J. Fernandes, W. Gieren, M. Mayor, T. Mazeh, D. Minniti, C. Melo, D. Naef, G. Pietrzyński, D. Queloz, M. Ruiz, N. Santos, S. Udry
2007, A&A, 465, 1069

Report on the Third Advanced Chilean School of Astrophysics
W. Gieren, M. Zoccali, I. Saviane, R. Méndez, G. Pietrzyński
2007, Msngr, 127, 68

2006

The Araucaria Project
G. Pietrzyński, W. Gieren
2006, MmSAI, 77, 239

Classical Cepheids as age indicators
M. Marconi, G. Bono, F. Caputo, S. Cassisi, P. Pietrukowicz, G. Pietrzyński, W. Gieren
2006, MmSAI, 77, 67

Evidence for a universal slope of the period-luminosity relation from direct distances to Cepheids in the LMC
W. Gieren, J. Storm, T. Barnes, P. Fouqué, G. Pietrzyński, F. Kienzle
2006, MmSAI, 77, 198

The Araucaria Project: The Distance to the Sculptor Group Galaxy NGC 55 from a Newly Discovered Abundant Cepheid Population
G. Pietrzyński, W. Gieren, I. Soszyński, A. Udalski, F. Bresolin, R.-P. Kudritzki, R. Mennickent, A. Walker, A. Garcia, O. Szewczyk, M. Szymański, M. Kubiak, Ł. Wyrzykowski
2006, AJ, 132, 2556

Blue and yellow long-period variables in the direction of the Small Magellanic Cloud
R. Mennickent, L. Cidale, G. Pietrzyński, W. Gieren, B. Sabogal
2006, A&A, 457, 949

The Araucaria Project: Distance to the Local Group Galaxy NGC 3109 from Near-Infrared Photometry of Cepheids
I. Soszyński, W. Gieren, G. Pietrzyński, F. Bresolin, R.-P. Kudritzki, J. Storm
2006, ApJ, 648, 375

The Araucaria Project: A Wide-Field Photometric Survey for Cepheid Variables in NGC 3109
G. Pietrzyński, W. Gieren, A. Udalski, I. Soszyński, F. Bresolin, R.-P. Kudritzki, R. Mennickent, M. Kubiak, M. Szymański, S. Hidalgo
2006, ApJ, 648, 366

The Araucaria Project: VLT Spectra of Blue Supergiants in WLM- Classification and First Abundances
F. Bresolin, G. Pietrzyński, M. Urbaneja, W. Gieren, R.-P. Kudritzki, K. Venn
2006, ApJ, 648, 1007

The Araucaria Project: An Accurate Distance to the Local Group Galaxy NGC 6822 from Near-Infrared Photometry of Cepheid Variables
W. Gieren, G. Pietrzyński, K. Nalewajko, I. Soszyński, F. Bresolin, R.-P. Kudritzki, D. Minniti, A. Romanowsky
2006, ApJ, 647, 1056

Millimagnitude Optical Photometry for the Transiting Planetary Candidate OGLE-TR-109
J. Fernández, D. Minniti, G. Pietrzyński, W. Gieren, M. Ru’ız, M. Zoccali, A. Udalski, T. Szeifert
2006, ApJ, 647, 587

The Araucaria Project: The Distance to the Local Group Galaxy IC 1613 from Near-Infrared Photometry of Cepheid Variables
G. Pietrzyński, W. Gieren, I. Soszyński, F. Bresolin, R.-P. Kudritzki, M. Dall’Ora, J. Storm, G. Bono
2006, ApJ, 642, 216

The Araucaria project. Bright variable stars in NGC 6822 from a wide-field imaging survey
R. Mennickent, W. Gieren, I. Soszyński, G. Pietrzyński
2006, A&A, 450, 873

The Araucaria Project: The Distance to NGC 300 from the Red Giant Branch Tip Using HST ACS Imaging
L. Rizzi, F. Bresolin, R.-P. Kudritzki, W. Gieren, G. Pietrzyński
2006, ApJ, 638, 766

2005

Millimagnitude photometry for OGLE transiting extrasolar planetary transits
D. Minniti, J. Fernández, W. Gieren, G. Pietrzyński, M. Ruiz, A. Udalski, T. Szeifert, S. Ram’ırez, M. Zoccali
2005, BAAA, 48, 13

The Araucaria Project: The Effect of Blending on the Cepheid Distance to NGC 300 from Advanced Camera for Surveys Images
F. Bresolin, G. Pietrzyński, W. Gieren, R.-P. Kudritzki
2005, ApJ, 634, 1020

Measuring Improved Distances to Nearby Galaxies: The Araucaria Project
W. Gieren, G. Pietrzyński, F. Bresolin, R.-P. Kudritzki, D. Minniti, M. Urbaneja, I. Soszynski, J. Storm, P. Fouque, G. Bono, A. Walker, J. Garcia
2005, Msngr, 121, 23

A survey for OB associations in the Sculptor Group spiral galaxy NGC 7793
G. Pietrzyński, K. Ulaczyk, W. Gieren, F. Bresolin, R. Kudritzki
2005, A&A, 440, 783

Mean JHK Magnitudes of Fundamental-Mode Cepheids from Single-Epoch Observations
I. Soszyński, W. Gieren, G. Pietrzyński
2005, PASP, 117, 823

Be star candidates in the Large Magellanic Cloud: the catalogue and comparison with the Small Magellanic Cloud sample
B. Sabogal, R. Mennickent, G. Pietrzyński, W. Gieren
2005, MNRAS, 361, 1055

The Araucaria Project: Near-Infrared Photometry of Cepheid Variables in the Sculptor Galaxy NGC 300
W. Gieren, G. Pietrzyński, I. Soszyński, F. Bresolin, R.-P. Kudritzki, D. Minniti, J. Storm
2005, ApJ, 628, 695

Direct Distances to Cepheids in the Large Magellanic Cloud: Evidence for a Universal Slope of the Period-Luminosity Relation up to Solar Abundance
W. Gieren, J. Storm, T. Barnes, P. Fouqué, G. Pietrzyński, F. Kienzle
2005, ApJ, 627, 224

On the α-Element Abundance Gradients in the Disk of the Sculptor Spiral Galaxy NGC 300
M. Urbaneja, A. Herrero, F. Bresolin, R.-P. Kudritzki, W. Gieren, J. Puls, N. Przybilla, F. Najarro, G. Pietrzyński
2005, ApJ, 622, 862

Revealing the nature of double-periodic blue variables in the Magellanic Clouds
R. Mennickent, L. Cidale, M. D’ıaz, G. Pietrzyński, W. Gieren, B. Sabogal
2005, MNRAS, 357, 1219

Classical Cepheid Pulsation Models. X. The Period-Age Relation
G. Bono, M. Marconi, S. Cassisi, F. Caputo, W. Gieren, G. Pietrzyński
2005, ApJ, 621, 966

2004

The Araucaria Project: The Distance to the Local Group Galaxy NGC 6822 from Cepheid Variables Discovered in a Wide-Field Imaging Survey
G. Pietrzyński, W. Gieren, A. Udalski, F. Bresolin, R.-P. Kudritzki, I. Soszyński, M. Szymański, M. Kubiak
2004, AJ, 128, 2815

The Araucaria Project: An Improved Distance to the Sculptor Spiral Galaxy NGC 300 from Its Cepheid Variables
W. Gieren, G. Pietrzyński, A. Walker, F. Bresolin, D. Minniti, R.-P. Kudritzki, A. Udalski, I. Soszyński, P. Fouqué, J. Storm, G. Bono
2004, AJ, 128, 1167

The Transiting Extrasolar Giant Planet around the Star OGLE-TR-113
M. Konacki, G. Torres, D. Sasselov, G. Pietrzyński, A. Udalski, S. Jha, M. Ruiz, W. Gieren, D. Minniti
2004, ApJ, 609, L37

The Araucaria Project. Variable stars outside the Local Group: NGC 300
R. Mennickent, G. Pietrzyński, W. Gieren
2004, MNRAS, 350, 679

On the Photometric Variability of Blue Supergiants in NGC 300 and Its Impact on the Flux-weighted Gravity-Luminosity Relationship
F. Bresolin, G. Pietrzyński, W. Gieren, R.-P. Kudritzki, N. Przybilla, P. Fouqué
2004, ApJ, 600, 182

2003

GaBoDS: The Garching-Bonn Deep Survey. I. Anatomy of galaxy clusters in the background of NGC 300
M. Schirmer, T. Erben, P. Schneider, G. Pietrzyński, W. Gieren, S. Carpano, A. Micol, F. Pierfederici
2003, A&A, 407, 869

The Araucaria Project: Dependence of Mean K, J, and I Absolute Magnitudes of Red Clump Stars on Metallicity and Age
G. Pietrzyński, W. Gieren, A. Udalski
2003, AJ, 125, 2494

Double-periodic blue variables in the Magellanic Clouds
R. Mennickent, G. Pietrzyński, M. Diaz, W. Gieren
2003, A&A, 399, L47

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
G. Pietrzyński, W. Gieren
2002, AJ, 124, 2633

Discovery and Quantitative Spectral Analysis of an Ofpe/WN9 (WN11) Star in the Sculptor Spiral Galaxy NGC 300
F. Bresolin, R.-P. Kudritzki, F. Najarro, W. Gieren, G. Pietrzyński
2002, ApJ, 577, L107

On Be star candidates and possible blue pre-main sequence objects in the Small Magellanic Cloud
R. Mennickent, G. Pietrzyński, W. Gieren, O. Szewczyk
2002, A&A, 393, 887

Photometric Standard Stars in the BVI System in a Wide Field Centered on the Spiral Galaxy NGC 300
G. Pietrzyński, W. Gieren, A. Udalski
2002, PASP, 114, 298

Spectroscopy of Blue Supergiants in the Spiral Galaxy NGC 300
F. Bresolin, W. Gieren, R.-P. Kudritzki, G. Pietrzyński, N. Przybilla
2002, ApJ, 567, 277

The ARAUCARIA Project: Discovery of Cepheid Variables in NGC 300 from a Wide-Field Imaging Survey
G. Pietrzyński, W. Gieren, P. Fouqué, F. Pont
2002, AJ, 123, 789

2001

Research in Concepción on globular cluster systems and galaxy formation, and the extragalactic distance scale
W. Gieren, D. Geisler, T. Richtler, G. Pietrzyński, B. Dirsch
2001, Msngr, 106, 15

Spectroscopy of blue supergiants in NGC 300
F. Bresolin, W. Gieren, R.-P. Kudritzki, G. Pietrzyński, N. Przybilla
2001, arXiv.astro-ph

A Catalog of OB Associations in the spiral galaxy NGC 300
G. Pietrzyński, W. Gieren, P. Fouqué, F. Pont
2001, A&A, 371, 497