LONG-TERM TRANSIT TIMING MONITORING AND REFINED LIGHT CURVE PARAMETERS OF HAT-P-13b
- Las Cumbres Observatory Global Telescope Network, Santa Barbara, CA 93117 (United States)
- Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139 (United States)
- Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138 (United States)
- Konkoly Observatory of the Hungarian Academy of Sciences, Konkoly Thege Miklos ut 15-17, Budapest H-1121 (Hungary)
We present 10 new transit light curves of the transiting hot Jupiter HAT-P-13b, obtained during two observational seasons by three different telescopes. When combined with 12 previously published light curves, we have a sample consisting of 22 transit light curves, spanning 1041 days across four observational seasons. We use this sample to examine the recently observed large-amplitude transit timing variations (TTVs) by Pal et al. and give refined system parameters. We find that the transit times are consistent with a linear ephemeris, with the exception of a single transit time, from UT 2009 November 5, for which the measured mid-transit time significantly deviates from our linear ephemeris. The nature of this deviation is not clear, and the rest of the data do not show any significant TTVs.
- OSTI ID:
- 21582903
- Journal Information:
- Astronomical Journal (New York, N.Y. Online), Vol. 142, Issue 3; Other Information: DOI: 10.1088/0004-6256/142/3/84; ISSN 1538-3881
- Country of Publication:
- United States
- Language:
- English
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