Search for giant planets in M 67 - IV. Survey results

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Table 3

Top: stellar parameters of the M 67 stars that are newly found to host planet candidates. Bottom: orbital parameters of the planetary companions.

Parameters	YBP401	YBP1194	YBP1514	SAND364	SAND978

α (J2000)	08:51:19.05	08:51:00.81	08:51:00.77	08:49:56.82	08:51:17.48
δ (J2000)	+11:40:15.80	+11:48:52.76	+11:53:11.51	+11:41:33.00	+11:45:22.69
Spec.type	F9V	G5V	G5V	K3III	K4III
m _V [ mag ]	13.70^a	14.6^a	14.77^a	9.8^b	9.71^c
B−V [ mag ]	0.607^a	0.626^a	0.680^a	1.360^b	1.370^c
M⋆ [M_⊙]	1.14 ± 0.02^d	1.01 ± 0.02^d	0.96 ± 0.01^d	1.35 ± 0.05^d	1.37 ± 0.02^d
log g [ cgs ]	4.30 ± 0.035^f	4.44 ± 0.05^e	4.57 ± 0.06^g	2.20 ± 0.06^h	1.80 ± 0.09ⁱ
T_eff [ K ]	6165 ± 64^f	5780 ± 27^e	5725 ± 45^g	4284 ± 9^h	4200 ± 21ⁱ

P [ days ]	4.087 ± 0.003	6.960 ± 0.001	5.118 ± 0.001	120.951 ± 0.453	511.21 ± 2.04
T [ JD ]	2 456 072.4 ± 0.6	2 455 679.9 ± 0.4	2 455 986.3 ± 0.3	2 456 231.22 ± 4.26	2 456 135.92 ± 21.23
e	0.16 ± 0.08	0.31 ± 0.08	0.27 ± 0.09	0.35 ± 0.10	0.16 ± 0.07
ω [ deg ]	343.33 ± 62.12	109.16 ± 20.16	328.58 ± 17.78	254.62 ± 15.91	291.68 ± 35.85
K [ m s^-1]	49.29 ± 5.50	37.35 ± 4.55	50.47 ± 3.90	56.94 ± 4.26	45.48 ± 3.65
msini [M_Jup]	0.42 ± 0.05	0.33 ± 0.03	0.40 ± 0.35	1.57 ± 0.11	2.18 ± 0.17
γ [ km s^-1]	33.179 ± 0.004	34.184 ± 0.003	34.058 ± 0.004	33.188 ± 0.019	34.567 ± 0.008
	0.97	0.95	0.93	1.08	1.57
σ(O-C) [ m s^-1]	12.31	11.51	14.24	15.93	12.90

Notes. P: period, T: time at periastron passage, e: eccentricity, ω: argument of periastron, K: semi-amplitude of the RV curve, msini: planetary minimum mass, γ: average radial velocity, and σ(O-C): dispersion of the Keplerian fit residuals.

Reference.

^(a)

Yadav et al. (2008).

^(b)

Montgomery et al. (1993).

^(c)

Sanders (1977).

^(d)

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

^(e)

Önehag et al. (2011).

^(f)

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

^(g)

Smolinski et al. (2011) and Lee et al. (2008).

^(h)

Wu et al. (2011).

⁽ⁱ⁾

Jacobson et al. (2011).

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