Search for giant planets in M67 - III. Excess of hot Jupiters in dense open clusters

A. Brucalassi; L. Pasquini; R. Saglia; M. T. Ruiz; P. Bonifacio; I. Leão; B. L. Canto Martins; J. R. de Medeiros; L. R. Bedin; K. Biazzo; C. Melo; C. Lovis; S. Randich

doi:10.1051/0004-6361/201527561

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Volume 592 (August 2016)

A&A, 592 (2016) L1

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Table 1

Stellar parameters of the three M67 stars newly found to host planet candidates.

Parameters	YBP401	YBP1194	YBP1514

α (J2000)	08:51:19.05	08:51:00.81	08:51:00.77
δ (J2000)	+11:40:15.80	+11:48:52.76	+11:53:11.51
Spec. type	F9V	G5V	G5V
m _V [mag]	13.70^a	14.6^a	14.77^a
B−V [mag]	0.607^a	0.626^a	0.680^a
M⋆ [M_⊙]	1.14 ± 0.02^b	1.01 ± 0.02^b	0.96 ± 0.01^b
log g [cgs]	4.30 ± 0.035^d	4.44 ± 0.05^c	4.57 ± 0.06^d
T_eff [K]	6165 ± 64^d	5780 ± 27^c	5725 ± 45^d

Reference.

^(a)

Yadav et al. (2008).

^(b)

Pietrinferni et al. (2004) and Girardi et al. (2000).

^(c)

Önehag et al. (2011).

^(d)

Pasquini et al. (2008) and Pace et al. (2012).

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