New light curves and ephemeris for the close eclipsing binary V963 PER
Andrew P. Odell, Patrick Wils, Clarissa Dirks, Blythe Guvenen, Jo C., O'Malley, Antonia S. Villarreal, and Rita M. Weinzettle
TL;DR
This paper presents new light curves and updated ephemeris for the close eclipsing binary V963 PER, highlighting observed light curve variations and their potential impact on eclipse timing accuracy.
Contribution
The study provides new CCD photometry data and refined eclipse timings, improving the ephemeris for V963 PER and documenting light curve variations.
Findings
Updated ephemeris with new eclipse timings
Detection of monthly light curve variations
Potential impact on eclipse timing accuracy
Abstract
We have obtained CCD photometry in 2010-11 of V963 Per (=GSC3355 0394), which is a recently identified close binary star with unequal eclipse depths. The seven new eclipse timings yield an improved ephemeris, but we caution that secondary eclipse can be affected by variation of the light curve. This variation seems to be on a monthly timescale at the few percent level.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astronomical Observations and Instrumentation · History and Developments in Astronomy