Orbital Data and Parent Star Data for: HD17156__ b

quantity unit value 1-sigma uncertainty
Period days 21.2205590 0.0020000
Time of periastron HJD 2453738.5290000 0.2900000
Orbital eccentricity none 0.678 0.080
Argument of perihelion deg 121.447 11.000
Velocity half-amplitude m s^-1 275.000 15.000
Planetary mass M_Jup 3.115 ---
Stellar mass M_Sun 1.20 ---
Stellar T_eff Kelvin 6079 ---
Planetary T_eff Kelvin 891 ---
Stellar Radius R_Sun 1.470 ---
Measured Planetary Radius R_Jupiter 1.150 ---
T_circ (w/o core) Gyr NaN ---
T_damp (w/o core) Gyr NaN ---


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