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Constraints on Tidal Quality Factor in Kepler Eclipsing Binaries using Tidal Synchronization: A Frequency-Dependent Approach
Ruskin Patel, Kaloyan Penev, Joshua Schussler
Tidal dissipation in binary systems is the primary source for synchronization and circularization of the objects in the system. The efficiency of the dissipation of tidal energy in…
Comprehensive Bayesian Modeling of Tidal Circularization in Open Cluster Binaries part I: M 35, NGC 6819, NGC 188
Kaloyan M. Penev, Joshua A. Schussler
Tidal friction has long been recognized to circularize the orbits of binary stars over time. In this study, we use the observed distribution of orbital eccentricities in population…
Constraining Tidal Quality Factor using Spin Period in Eclipsing Binaries
Ruskin Patel, Kaloyan Penev
Evolution of binary objects under the influence of tides drastically affects the expected observational properties of the system. With the discovery of a large number of close-in h…
Empirical Tidal Dissipation in Exoplanet Hosts From Tidal Spin-Up
Kaloyan Penev, L. G. Bouma, Joshua N. Winn +1
Stars with hot Jupiters tend to be rotating faster than other stars of the same age and mass. This trend has been attributed to tidal interactions between the star and planet. A co…
A 0.24+0.18 Msun double-lined eclipsing binary from the HATSouth survey
G. Zhou, D. Bayliss, J. D. Hartman +21
We report the discovery and characterisation of a new M-dwarf binary, with component masses and radii of M1 = 0.244 -0.003/+0.003 Msun, R1 = 0.261 -0.009/+0.006 Rsun, M2 = 0.179 -0…
Stellar rotational periods in the planet hosting open cluster Praesepe
Geza Kovacs, Joel D. Hartman, Gaspar A. Bakos +6
By using the dense coverage of the extrasolar planet survey project HATNet, we Fourier analyze 381 high-probability members of the nearby open cluster Praesepe (Beehive/M44/NGC 263…