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The main goal of the Araucaria Project is to improve the calibration of the cosmic distance scale in the local Universe. We are tracing down the environmental dependencies of the various standard candles by comparing their distances obtained with different methods.

ERC grantScience is FreedomEclipsing BEP

Recent results:

•NGC 7793 distance from NIR P-L relations for Cepheids Zgirski et al.2017, ApJ, 847, 88
•Metallicity effect on Cepheid absolute magnitudes Wielgorski et al.2017, ApJ, 842, 116
•Type II Cepheid in an Eclipsing System Pilecki et al.2017, ApJ, 842, 110 - (data)
•Occurrence of BEPs in the classical instability strip Karczmarek et al.2017, MNRAS, 466, 2842 - (data)
•Surface brightness-color calibration Graczyk et al.2017, ApJ, 837, 7
•Eclipsing binary star LL Aqr Graczyk et al.2016, A&A, 594, 92
•On the TRGB distance to the Magellanic Clouds. Górski et al.2016, AJ, 151, 167
•Analysis of the OGLE-LMC-ECL-25658 system Elgueta et al.2016, AJ, 152, 29
•Parameters of TZ For Gallenne et al.2016, A&A, 586, A35
•OGLE LMC562.05.9009 - Cepheid in the eclipsing system Gieren et al.2015, ApJ, 815, 28 - (data)
•Distance to Carina from infrared RR Lyrae stars Karczmarek et al.2015, AJ, 150:90
•Eclipsing binary star IO Aqr Graczyk et al.2015, A&A, 581, 106
•The CANDID algorithm and an application to six binary Cepheids Gallenne et al.2015, A&A, 579, A68
•The surface brightness-color relation and fast rotation of stars Challouf et al.2015, A&A, 579, A107
•FO Cepheid in the Eclipsing System Pilecki et al.2015, ApJ, 806, 29 - (data)
•Parameters and the distance to ASAS J180057-2333.8 Suchomska et al.2015, MNRAS, 451, 651
•Totally eclipsing double-giant system Hełminiak et al.2015, MNRAS, 448, 1945
•Improved SB-color relation for early type stars Challouf et al.2014, A&A, 570, A104
•Searching for visual companions of close Cepheids Gallenne et al.2014, A&A, 567, A60
•Eclipsing Binary System Composed of Two Cepheids Gieren et al.2014, ApJ, 786, 80