Orbital Data and Parent Star Data for: Gl581____ b

quantity unit value 1-sigma uncertainty
Period days 5.2400000 0.0020000
Time of periastron HJD 2453013.5500000 0.1400000
Orbital eccentricity none 0.000 0.000
Argument of perihelion deg 0.000 0.000
Velocity half-amplitude m s^-1 28.300 0.600
M*sin(i) M_Earth 35.377 ---
Stellar mass M_Sun 0.31 ---
Stellar T_eff Kelvin 3200 ---
Planetary T_eff Kelvin 385 ---
Stellar Radius R_Sun 0.290 ---
Predicted Planetary Radius (w/o core) R_Jupiter 0.980 ---
T_circ (w/o core) Gyr 0.226 ---
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