Orbital Data and Parent Star Data for: GJ876____ c

quantity unit value 1-sigma uncertainty
Period days 30.0500000 0.2000000
Time of periastron HJD 2453181.1500000 0.0200000
Orbital eccentricity none 0.217 0.000
Argument of perihelion deg 89.999 0.000
Velocity half-amplitude m s^-1 81.000 0.500
M*sin(i) M_Jup 0.567 ---
Stellar mass M_Sun 0.32 ---
Stellar T_eff Kelvin 3200 ---
Planetary T_eff Kelvin 219 ---
Stellar Radius R_Sun 0.300 ---
Predicted Planetary Radius (w/o core) R_Jupiter 1.030 ---
T_circ (w/o core) Gyr 34.369 ---
T_damp (w/o core) Gyr ****** ---


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