A substellar component orbiting the F-star 30 Arietis B

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Volume 507 / No 3 (December I 2009)

A&A, 507 3 (2009) 1659-1665

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Table 1:

Stellar properties of 30 Ari A, B.
Parameter	30 Ari A	30 Ari B
RA	02 37 00.5237	02 36 57.7405
Dec	+24 38 50.0000	+24 38 53.0270
Spectral type	F5V¹⁴	F4V⁴, F6V⁶, F6V¹⁴
$v\sin i$ [ $\rm km~s^{-1}$ ]	$38.5\pm2.6^{14}$	40.6⁷, $38.3\pm1.8^{14}$
V [mag]	6.497¹⁰, 6.48⁵	7.091¹⁰, 7.1⁵
B-V [mag]	0.410^8,13	0.510^12,13
J [mag]	$5.681\pm0.019^{11}$	$6.080\pm0.020^{11}$
H [mag]	$5.580\pm0.051^{11}$	$5.908\pm0.029^{11}$
K [mag]	$5.479\pm0.024^{11}$	$5.822\pm0.021^{11}$
M_v	3.48¹⁰, 3.46⁵	4.12¹⁰, 4.12⁵
$\pi$ [mas]	$24.92\pm1.05^{3}$	$25.36\pm1.10^{3}$
Distance [pc]	$40.1\pm1.7$	$39.4\pm1.7$
$\rm [Fe/H]$ [dex]	0.27⁴, 0.00¹⁰,	0.27^1,7, -0.13¹⁰,
	0.11²	$0.245\pm0.195^{9}$ ,
		0.03², 0.27⁶
$T_{\rm eff}$ [K]	6462⁴, 6668¹⁰	6462^1,4, 6152¹⁰
	$6300\pm60^{9}$ , 6726²	$6300\pm60^{9}$ , 6364²,
	6457⁵	6607⁵
$\log g$	4.51², 4.25⁵	4.50⁴, 4.54², 4.44⁵
$M_*~[M_\odot]$	$1.32\pm0.05^{10}$ , 1.36⁵	$1.11\pm0.06^{10}$ , 1.20⁵
	$1.31\pm0.04^{14}$	$1.16\pm0.04^{14}$
Age [Gyr]	$0.86\pm0.63^{14}$	$0.91\pm0.83^{14}$
$R_*~[R_\odot]$	$1.37\pm0.03^{10}$	$1.13\pm0.03^{14}$
$\rm\theta~[mas]$	$0.32\pm0.01^{14}$	$0.26\pm0.01^{14}$

¹ Boesgaard & Friel (1990). ² Marsakov et al. (1995). ³ Hipparcos, Perryman & ESA (1997). ⁴ Cayrel de Strobel et al. (1997). ⁵ Allende Prieto et al. (1999). ⁶ Malagnini et al. (2000). ⁷ Buzzoni et al. (2001). ⁸ De Medeiros et al. (2002). ⁹ Taylor (2003). ¹⁰ Nordström et al. (2004). ¹¹ Skrutskie et al. (2006). ¹² Tolbert (1964). ¹³ Mermilliod (1991). ¹⁴ This work.

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