Orbital Data and Parent Star Data for: XO-1_____ b

quantity unit value 1-sigma uncertainty
Period days 3.9415340 0.0000270
Time of periastron HJD 2453887.7467900 0.0001500
Orbital eccentricity none 0.000 0.000
Argument of perihelion deg 90.000 0.000
Velocity half-amplitude m s^-1 116.000 9.000
Planetary mass M_Jup 0.902 ---
Stellar mass M_Sun 1.00 ---
Stellar T_eff Kelvin 5750 ---
Planetary T_eff Kelvin 1164 ---
Stellar Radius R_Sun 1.000 ---
Measured Planetary Radius R_Jupiter 1.184 ---
T_circ (w/o core) Gyr 0.613 ---
T_damp (w/o core) Gyr +Inf ---


Planet radii from theoretical models of:
Bodenheimer, Laughlin, and Lin 2003, Astrophysical Journal, v. 592, 555-563.

Damping timescales from:
Adams and Laughlin 2006, ApJ : link