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Data for HD128311_ b
Orbital Data and Parent Star Data for: HD128311_ b

quantity unit value 1-sigma uncertainty
Period days 455.9000000 6.3000000
Time of periastron HJD 2449774.6000000 12.0000000
Orbital eccentricity none 0.210 0.100
Argument of perihelion deg 116.500 28.000
Velocity half-amplitude m s^-1 77.400 17.500
M*sin(i) M_Jup 2.475 ---
Stellar mass M_Sun 0.80 ---
Stellar T_eff Kelvin 5000 ---
Planetary T_eff Kelvin 193 ---
Stellar Radius R_Sun 0.800 ---
Predicted Planetary Radius (w/o core) R_Jupiter 1.076 ---
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