Vladislav Khramtsov, V. N. Karazin Kharkiv National University,

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STATISTICAL TIME-SERIES ANALYSIS OF PHOTOMETRIC DATA FOR VARIABLE STARS DETECTION Vladislav Khramtsov, V. N. Karazin Kharkiv National University, Physical Department Lecturer: Volodymyr Akhmetov, Ph.D., Institute of Astronomy, V.N. Karazin Kharkiv National University

Observation equipment 0.7m reflector AZT-8 CCD camera ML-4710

Stellar fields 2013C 2014А 2014В 2015С 2013В 2015A 2013A 2015B

Synthetic Galaxy Model http://model.obs-besancon.fr/

Predicting of variable stars amount using Synthetic Galaxy Model and “Kepler” data about ratio of variables 2013A 6.229 2013B 5.698 2013C 19.589 2014A 4.081 2014B 4.509 2015A 9.080 2015B 7.427 2015C 8.899 SUM 65.512

Galactic Dust Reddening and Extinction Map А/Е(B-V) http://irsa.ipac.caltech.edu/applications/DUST/ 2013В 2014A

Galactic Dust Reddening and Extinction Map А/Е(B-V) http://irsa.ipac.caltech.edu/applications/DUST/ 2014В 2015C

Information included in variability indices K. V. Sokolovsky at all (MNRAS, 2016)

Information included in variability indices Weighted standard deviation Median absolute deviation

Information included in variability indices Peak-to-peak variability Normalized excess variance

2015C

2015C

2015C

2015C

2015C

2015C

Manual discovery (MaxIm DL)

AstPhot photometry

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