Orbital Data and Parent Star Data for: HD154857_ b

quantity unit value 1-sigma uncertainty
Period days 398.5000000 9.0000000
Time of periastron HJD 2451963.0000000 10.0000000
Orbital eccentricity none 0.510 0.060
Argument of perihelion deg 50.000 11.000
Velocity half-amplitude m s^-1 52.000 5.000
M*sin(i) M_Jup 1.800 ---
Stellar mass M_Sun 1.17 ---
Stellar T_eff Kelvin 5628 ---
Planetary T_eff Kelvin 276 ---
Stellar Radius R_Sun 1.250 ---
Predicted Planetary Radius (w/o core) R_Jupiter 1.079 ---
T_circ (w/o core) Gyr nan ---
T_damp (w/o core) Gyr nan ---


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