Orbital Data and Parent Star Data for: HD128311_ c

quantity unit value 1-sigma uncertainty
Period days 920.6000000 29.0000000
Time of periastron HJD 2450083.1000000 35.0000000
Orbital eccentricity none 0.270 0.140
Argument of perihelion deg 219.500 56.000
Velocity half-amplitude m s^-1 79.400 8.100
M*sin(i) M_Jup 3.162 ---
Stellar mass M_Sun 0.80 ---
Stellar T_eff Kelvin 5000 ---
Planetary T_eff Kelvin 153 ---
Stellar Radius R_Sun 0.800 ---
Predicted Planetary Radius (w/o core) R_Jupiter 1.077 ---
T_circ (w/o core) Gyr ****** ---
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