The Planet Around 51 Peg Revised 04 May 2003
Velocity versus Time for 51 Peg, during
one month starting 12 October 1995.
(Data from Lick Observatory)
Velocity versus Orbital Phase for 51 Peg
(Data from Lick Observatory)
Data provided by California & Carnegie Planet Search Team
First planet discovered by M.Mayor & D.Queloz
Mayor & Queloz 1995, Nature V.378, p355
Marcy et al. 1997 ApJ V 481, p926
Orbital Parameters and Planet Mass
Lick Observatory
| Period (d) |
T_peri (JD-2450000) |
ecc | omega (deg) |
Vel Amp, K (m/s) |
Msini (M_jup) |
a (AU) |
|
| 4.231 | 71.25 | 0.01 | 232 | 54.99 | 0.46 | 0.05 |
Chi-squared =
1.38
Stellar Characteristics
| Spectral Type | Mass (M_sun) |
Apparent magnitude |
Distance (pc) |
P_rot (d) |
[Fe/H] | |
| G5V | 1.06 | 5.45 | 15.36 | 28.00 | 0.20 |