Orbital Data and Parent Star Data for: HD128311_ c

quantity unit value 1-sigma uncertainty
Period days 880.5000000 20.0000000
Time of periastron HJD 2449339.3000000 10.0000000
Orbital eccentricity none 0.170 0.050
Argument of perihelion deg 318.800 20.000
Velocity half-amplitude m s^-1 15.900 1.000
M*sin(i) M_Jup 0.637 ---
Stellar mass M_Sun 0.80 ---
Stellar T_eff Kelvin 5000 ---
Planetary T_eff Kelvin 155 ---
Stellar Radius R_Sun 0.800 ---
Predicted Planetary Radius (w/o core) R_Jupiter 1.031 ---
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