Orbital Data and Parent Star Data for: XO-2_____ b
| quantity |
unit |
value |
1-sigma uncertainty |
| Period |
days |
2.615838 |
8.E-06 |
| Time of periastron |
JD |
2454147.75 |
0.0002 |
| Orbital eccentricity |
none |
0. |
0. |
| Argument of perihelion |
deg |
90. |
0. |
| Velocity half-amplitude |
m s^-1 |
85. |
8. |
| Minimum planetary mass |
M_Jup |
0.568899989 |
--- |
| Stellar mass |
M_Sun |
0.98 |
--- |
| Stellar T_eff |
Kelvin |
5340 |
--- |
| Planetary T_eff |
Kelvin |
1218 |
--- |
| R_star |
R_Sun |
0.96 |
--- |
| R_planet (with core) |
R_Jupiter |
0.993229117 |
--- |
| R_planet (w/o core) |
R_Jupiter |
1.10980888 |
--- |
| T_circ (with core) |
Gyr |
0.114777692 |
--- |
| T_circ (w/o core) |
Gyr |
0.0658967091 |
--- |
| T_damp (with core) |
Gyr |
INF |
--- |
| 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 In Press:
link