Light Curve Periodic Variability of Cyg X-1 using Jurkevich Method
Abstract
The Jurkevich method is a useful method to explore periodicity in the unevenly sampled observational data. In this work, we adopted the method to the light curve of Cyg X-1 from 1996 to 2012, and found that there is an interesting period of 370 days, which appears in both low/hard and high/soft states. That period may be correlated with black hole physics and accretion disk geometry.
- Publication:
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Journal of Astrophysics and Astronomy
- Pub Date:
- September 2014
- DOI:
- 10.1007/s12036-014-9211-2
- Bibcode:
- 2014JApA...35..275D
- Keywords:
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- Black hole physics: star: binary—X-rays: individuals: Cyg X-1