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Table 1

Stellar properties and parameters.

GJ 3138 GJ 3323 GJ 273 GJ 628 GJ 3293

Spectral type(1) M0 M4 M3.5 M3.5 M2.5
α (J2000) 02h09m10.9s 05h01m57.5s 07h27m24.49s 16h30m18.1s 04h28m35.6s
δ (J2000) − 16°20′22.5′′ − 06°56′45.9′′ + 05°13′32.8′′ − 12°39′45.3′′ − 25°10′16′′
V (2) 10.98 12.22 9.872 10.03 11.962
J (3) 8.076 ± 0.019 7.617 ± 0.032 5.714 ± 0.032 5.950 ± 0.024 8.362 ± 0.024
H (3) 7.412 ± 0.031 7.065 ± 0.046 5.219 ± 0.063 5.373 ± 0.040 7.749 ± 0.038
7.246 ± 0.016 6.736 ± 0.024 4.857 ± 0.023 5.075 ± 0.024 7.486 ± 0.033
π [ mas ] (4,5) 33.44 ± 2.17 187.92 ± 1.26 262.98 ± 1.39 232.98 ± 1.60 55 ± 9
M V 8.6 ± 0.13 13.59 ± 0.01 12.26 ± 0.01 11.87 ± 0.01 10.66 ± 0.31
M K 4.87 ± 0.13 8.11 ± 0.03 6.96 ± 0.03 6.91 ± 0.03 6.19 ± 0.31
B C K 2.62 ± 0.05 2.72 ± 0.07 2.68 ± 0.08 2.71 ± 0.06 2.71 ± 0.08
L [ LSun](6) 0.045 0.0027 0.0088 0.0102 0.022
± 0.007 ± 0.0066 ± 0.0066 ± 0.0066 ± 0.0066
M [M](7) 0.681 0.164 0.29 0.294 0.42
R [R](6) 0.50 ± 0.03 0.119 ± 0.027 0.293 ± 0.027 0.307 ± 0.027 0.404 ± 0.027
Teff [K](6) 3717 ± 49 3159 ± 49 3382 ± 49 3342 ± 49 3466 ± 49
[ Fe / H ] (8) − 0.30 ± 0.12 − 0.27 ± 0.09 0.09 ± 0.17 − 0.09 ± 0.09 0.02 ± 0.09
μα [ mas / yr ] (4,9,2) 517.58 ± 1.98 − 550.2 ± 8 572.51 ± 1.50 − 94.81 ± 2.30 − 87 ± 5
μδ [ mas / yr ] (4,9,2) 78.39 ± 1.63 − 533.3 ± 8 − 3693.51 ± 0.96 − 1183.43 ± 1.74 − 475 ± 5
dvr/ dt [ m / s / yr ] 0.188 ± 0.014 0.073 ± 0.001 1.221 ± 0.007 0.139 ± 0.001 0.097 ± 0.018
Rad. Vel [km s-1](10) 13.60 ± 0.50 42.45 ± 0.50 18.41 ± 0.50 –21.04 ± 0.50 13.30 ± 0.50
U [km s-1] 63.5 ± 14.4 23.60 ± 0.04 –15.72 ± 0.09 12.74 ± 0.02 –27.29 ± 17.1
V [km s-1] –39.1 ± 6.0 –17.97 ± 0.02 –65.83 ± 0.05 –21.00 ± 0.01 –25.9 ± 6.6
W [km s-1] 11.2 ± 2.9 –35.99 ± 0.05 –17.27 ± 0.01 –20.56 ± 0.01 –22.2 ± 23.1
Dyn. Pop. YD or YD/OD YD/OD YD/OD YD YD or YD/OD
Multiplicity(11,12) No No No
HZ 0.937 0.925 0.929 0.928 0.931
HZ 1.006 0.993 0.997 0.996 0.999
HZ 1.69 1.64 1.63 1.68
HZ 0.254 0.237 0.243 0.242 0.246
)(15) –4.855 –4.839 –5.560 –5.523 –5.114
PRot. [days](15) 34 33 99 93 50
PRot. [days](16) 42.5 95 41

Notes. (1) Hawley et al. (1996); (2) Gaidos et al. (2014); (3) Cutri et al. (2003); (4) van Leeuwen (2007); (5) Henry et al. (2006); (6) Boyajian et al. (2012); (7) Delfosse et al. (2000); (8) Neves et al. (2013); (9) Zacharias et al. (2012); (10) This work. The adopted uncertainty for the HARPS absolute radial velocity is 0.5 km s-1; (11) Rodriguez et al. (2015); (12) Ward-Duong et al. (2015); (13) Kopparapu et al. (2013, 2014); (14) Kopparapu et al. (2016) (15) From Astudillo-Defru et al. (2017), where the typical error is 8.7%; (16) This work. From the periodogram of activity indices. On the dynamical population we use the abbreviations YD for young disk and OD for old disk.

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