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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 ] 13.70a 14.6a 14.77a 9.8b 9.71c
BV [ mag ] 0.607a 0.626a 0.680a 1.360b 1.370c
M [M] 1.14 ± 0.02d 1.01 ± 0.02d 0.96 ± 0.01d 1.35 ± 0.05d 1.37 ± 0.02d
log g [ cgs ] 4.30 ± 0.035f 4.44 ± 0.05e 4.57 ± 0.06g 2.20 ± 0.06h 1.80 ± 0.09i
Teff [ K ] 6165 ± 64f 5780 ± 27e 5725 ± 45g 4284 ± 9h 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 [MJup] 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.

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