"The HARPS search for southern extra-solar planets. VII. A very-hot Jupiter orbiting HD 212301"
G. Lo Curto, M. Mayor, J.V. Clausen, W. Benz, F. Bouchy, C. Lovis, C. Moutou, D. Naef, F. Pepe, D. Queloz, N.C. Santos, J.-P. Sivan, S. Udry, X. Bonfils, X. Delfosse, C. Mordasini, P. Fouqué. E.H. Olsen, J.D. Pritchard, 2006
A&A 451, 345 (ADS)

Announced during the Colloquium "The Tenth Anniversary of 51 Peg b" at Observatoire de Haute-Provence, August the 22nd 2005

 
Larger image

Orbital solution (from Lo Curto et al. 2006):

Object	Period (days)	T0 (JD - 2 400 000)	Eccentricity	V (km/s)	Omega (deg)	K1 (m/s)	m2sini (M_Jup)	a (AU)	N	Residuals (m/s)
HD 212301	2.245715 +/- 0.00028	53549.195 +/- 0.004	0.0 (fixed)	4.6934 +/- 0.0005	0.0 (fixed)	59.5 +/- 0.7	0.45	0.036	23	6.7

Stellar properties:

Parameter	Value	Reference
Sp. Type	F8V	Hipparcos
pi (mas)	18.97	Hipparcos
d (pc)	52.71	Hipparcos
m_v (mag)	7.76	Hipparcos
B-V (mag)	0.56	Hipparcos
T_eff (K)	6256 +/- 28	Lo Curto et al. 2006
M_v (mag)	4.15	-
L (L_sol)	1.75	-
log(g) (CGS)	4.52 +/- 0.05	Lo Curto et al. 2006
M_1 (M_sol)	1.27 +/- 0.02	Lo Curto et al. 2006
log(R'HK)	-4.84	Lo Curto et al. 2006
P_rot (d)	12	Lo Curto et al. 2006
Vsini (km/s)	5.44	Lo Curto et al. 2006
Age (Gyr)	<1	Lo Curto et al. 2006
[Fe/H]	0.18 +/- 0.04	Lo Curto et al. 2006

Links:

Extrasolar planet page

Planet Search and Stellar Kinematics group page

Geneva observatory

University of Geneva

 

stephane.udry@obs.unige.ch