A photometric study of V608 Cam: apparent period changes as a result of surface activity
| Autor: | Šebek, F., Walter, F., Wolf, M. |
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| Rok vydání: | 2022 |
| Předmět: | |
| Druh dokumentu: | Working Paper |
| Popis: | The VRI light curves were measured for the low-mass eclipsing binary V608 Cam as a part of our long-term observational project for studying of eclipsing binaries with a short orbital period. The Tess light curve solution in Phoebe results to the detached configuration, where the temperature of primary component was fixed to $T_1 = 5300$ K according to Gaia results, which gives us $T_2 = 4110 \pm 50$ K for the secondary. The spectral type of the primary component was derived to be K0 and the photometric mass ratio was estimated $q = 0.92 \pm 0.07$. Characteristics and temporal variation of the cold region on the surface of the secondary component were estimated and are attributed to apparent period changes of this eclipsing binary with a cycle of about 2.4 yr. Comment: Accepted for publication in New Astronomy. 17 pages, 9 figures, 7 tables. This is the authors' version of the accepted manuscript |
| Databáze: | arXiv |
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