Orbital Data and Parent Star Data for: GJ876____ d

quantity unit value 1-sigma uncertainty
Period days 1.9377600 0.0000700
Time of periastron HJD 2452490.7560000 0.0270000
Orbital eccentricity none 0.000 0.000
Argument of perihelion deg 90.000 0.000
Velocity half-amplitude m s^-1 6.500 0.600
M*sin(i) M_Earth 5.965 ---
Stellar mass M_Sun 0.32 ---
Stellar T_eff Kelvin 3200 ---
Planetary T_eff Kelvin 543 ---
Stellar Radius R_Sun 0.300 ---
Predicted Planetary Radius (w/o core) R_Jupiter 0.167 ---
T_circ (w/o core) Gyr 2.400 ---
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