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 grant	Science is Freedom	Eclipsing BEP

Recent results:

•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
•Distance to the SMC from Eclipsing Binaries	Graczyk et al.	2014, ApJ, 780, 59