Orbital Data and Parent Star Data for: HD987654_ b

quantity unit value 1-sigma uncertainty
Period days 41.3910000 0.0200000
Time of periastron HJD 2455145.1025900 2.9000000
Orbital eccentricity none 0.420 0.110
Argument of perihelion deg 233.300 20.700
Velocity half-amplitude m s^-1 38.600 16.400
M*sin(i) M_Earth 92.733 ---
Stellar mass M_Sun 0.34 ---
Stellar T_eff Kelvin 3190 ---
Planetary T_eff Kelvin 228 ---
Stellar Radius R_Sun 0.400 ---
Predicted Planetary Radius (w/o core) R_Jupiter 0.987 ---
T_circ (w/o core) Gyr 0.015 ---
T_damp (w/o core) Gyr 0.036 ---


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