A new interferometric study of four exoplanet host stars: θ Cygni, 14 Andromedae, υ Andromedae and 42 Draconis

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Table 1

Coordinates and parameters of the three host stars 14 And, υ And and 42 Dra.

Parameter	14 And	υ And	42 Dra

RA (J2000)	23:31:17.4	01:36:47.8	18:25:59.14
Dec (J2000)	+ 39°14′10′′	+ 41°24′20′′	+ 65°33′49′′
Stellar type	K0III^a	F9V	K1.5III^c
V mag	5.225	4.10	4.833^c
K mag	2.331	2.86	2.085
M_V	0.67^a	3.44 ± 0.02^b	−0.09 ± 0.04^c
v sini [km s^-1]	2.60^a	9.5 ± 0.8^b
T_eff [K]	4813 ± 20^a	6107 ± 80^b	4200 ± 70^c
Parallax [mas]	12.63 ± 0.27^d	74.12 ± 0.19^d	10.36 ± 0.20^d
Mass [M_⊙]	2.2^a	1.27 ± 0.06^b	0.98 ± 0.05^c
log g	2.63 ± 0.07^a	4.01 ± 0.1^b	1.71 ± 0.05^c
[Fe/H]	−0.24 ± 0.03^a	0.09 ± 0.006^b	−0.46 ± 0.05^c
L [L_⊙]	58^a	3^e	149.7 ± 15.3^f

References.

^(a)

Sato et al. (2008);

^(b)

Fuhrmann et al. (1998);

^(c)

Döllinger et al. (2009);

^(d)

van Leeuwen (2007);

^(e)

Butler et al. (1999);

^(f)

Baines et al. (2010).

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