The Planet Around HD4208

Revised 04 May 2003


Velocity versus Orbital Phase for HD4208
(Data from Keck Observatory)


NSF & NASA Announcement, 15 October 2001

UK Press Announcement, 15 October 2001

Paper: Vogt, Butler, Marcy, Fischer, Pourbaix, Apps & Laughlin, "Ten Low Mass Companions from the Keck Precision Velocity Survey"


Orbital Parameters and Planet Mass
Keck Observatory

Period
(d)
T_peri
(JD-2450000)
ecc omega
(deg)
Vel Amp, K
(m/s)
Msini
(M_jup)
a
(AU)
812.197 25.71 0.05 249 18.22 0.80 1.67
Chi-squared = 1.30
Data provided by California & Carnegie Planet Search Team


Stellar Characteristics

Spectral Type Mass
(M_sun)
Apparent
magnitude
Distance
(pc)
P_rot
(d)
[Fe/H]
G5 V 0.93 7.78 32.7 25.3 -0.24

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