OGLE2-TR-L9b: an exoplanet transiting a rapidly rotating F3 star

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Volume 497 / No 2 (April II 2009)

A&A, 497 2 (2009) 545-550

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Table 2:

The transit, host star, and planetary companion parameters as determined from our photometric and spectroscopic observations.
Transit:
$\rho _{\rm {s}}$	=	0.4260 $\pm$ 0.0091 $\rho_{\rm {sun}}$
$R_{\rm p}/R_{\rm s}$	=	0.10847 $\pm$ 0.00098
$\beta_{\rm {impact}}$	=	0.7699 $\pm$ 0.0085
t₀	=	2 454 492.79765 $\pm$ 0.00039 HJD
P	=	2.4855335 $\pm$ $7\times10^{-7}$ d
Host star:
Coord. (J2000)	=	11 $^{\rm {h}}$ 07 $^{\rm {m}}$ 55.29 $^{\rm {s}}$ -61 $^\circ$ 08'46.3''
I mag	=	13.974
I-J mag	=	0.466 $\pm$ 0.032
J-K mag	=	0.391 $\pm$ 0.049
T	=	6933 $\pm$ 58 K
log g	=	4.47 $\pm$ 0.13^*
log g	=	4.25 $\pm$ 0.01^**
$\rm [Fe/H]$	=	-0.05 $\pm$ 0.20
$v{\sin}~i$	=	39.33 $\pm$ 0.38 km s^-1
$R_{\rm s}$	=	1.53 $\pm$ 0.04 $R_{\rm {sun}}$
$M_{\rm s}$	=	1.52 $\pm$ 0.08 $M_{\rm {sun}}$
Age	<	0.66 Gyr
Planetary Companion:
K	=	510 $\pm$ 170 m/s
i	=	79.8 $\pm$ 0.3 $^\circ$
a	=	0.0308 $\pm$ 0.0005 AU
$R_{\rm p}$	=	1.61 $\pm$ 0.04 $R_{\rm {jup}}$
$M_{\rm p}$	=	4.5 $\pm$ 1.5 $M_{\rm {jup}}$

^* Determined from the spectroscopic analysis.
^** Determined from mean stellar density combined with the evolutionary tracks.

Source LaTeX | All tables | In the text

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