Table 1.
Astrometric, photometric, and spectroscopic properties of the nine systems studied in this work.
| Name | Karmn | α (J2016) (a) | μα cos δ [mas a−1] (a) | ϖ [mas] (a) | RUWE (a) | V [mag] (d) | Sp. T (b),(c),(d) | M⋆ [M⊙] (g) | v sin i [km s−1] (i),(j) |
|---|---|---|---|---|---|---|---|---|---|
| type | δ (J2016) (a) | μδ [mas a−1] (a) | d [pc] (a) | G [mag] (a) | J [mag] (f) | Teff [K] (g),(h) | R⋆ [R⊙] (g) | pEW(Hα) [Å] (k) | |
| GJ 207.1 | J05337+019 | 05:33:44.55 | −231.54 ± 0.05 | 63.36 ± 0.05 | 2.43 | 11.50 ± 0.04 | M2.5 V | 0.488 ± 0.020 | 9.8 ± 1.5 |
| SB1 | +01:56:41.0 | −153.99 ± 0.04 | 15.78 ± 0.01 | 10.3762 ± 0.0007 | 7.76 ± 0.02 | 3419 ± 51 | 0.485 ± 0.015 | −5.00 ± 0.04 | |
| UCAC4 | J07001−190 | 07:00:07.00 | +145.47 ± 0.03 | 33.53 ± 0.03 | 1.37 | 13.92 ± 0.03 | M5.0 V | ⋯ | 3.8 ± 1.5 |
| 355−020729 | SB2 | −20:58:34.9 | −89.66 ± 0.03 | 29.83 ± 0.03 | 12.3039 ± 0.0007 | 9.03 ± 0.03 | 3100 ± 50 | ⋯ | −6.99 ± 0.04 |
| GJ 282 C | J07361−031 | 07:36:07.15 | +74.1 ± 0.1 | 70.3 ± 0.1 | 6.53 | 10.0 ± 0.1 | M1.0 V | 0.553 ± 0.021 | 3.1 ± 1.5 |
| SB1 | −04:53:16.6 | −293.1 ± 0.1 | 14.23 ± 0.03 | 9.118 ± 0.001 | 6.79 ± 0.03 | 3894 ± 51 | 0.547 ± 0.016 | −0.86 ± 0.01 | |
| LP 427−016 | J09140+196 | 09:14:03.02 | −146.56 ± 0.05 | 43.52 ± 0.05 | 1.79 | 12.17 ± 0.01 | M3.0 V | 0.491 ± 0.019 | < 2 |
| SB1 | +19:40:03.2 | −160.42 ± 0.04 | 22.98 ± 0.03 | 11.101 ± 0.002 | 8.42 ± 0.02 | 3493 ± 51 | 0.488 ± 0.015 | −0.1 ± 0.1 | |
| GJ 3626 | J10504+331 | 10:50:26.07 | +50.0 ± 0.2 | 44.2 ± 0.1 | 9.75 | 13.05 ± 0.01 | M4.0 V | 0.403 ± 0.017 | < 2 |
| SB1 | +33:05:54.3 | −630.9 ± 0.2 | 22.61 ± 0.06 | 11.7962 ± 0.0006 | 8.90 ± 0.02 | 3393 ± 51 | 0.405 ± 0.012 | +0.09 ± 0.01 | |
| UU UMi | J15412+759 | 15:41:20.01 | +809 ± 2 | 68 ± 2 | 9.18 | 12.07 ± 0.05 | M3.0 V | ⋯ | < 3 |
| SB2 | +75:59:22.9 | −707 ± 2 | 14.6 ± 0.3 | 11.0493 ± 0.0009 | 8.26 ± 0.02 | 3430 ± 51 | ⋯ | −0.11 ± 0.02 | |
| GJ 3916 | J15474−108 | 15:47:24.22 | −309.0 ± 0.6 | 62.5 ± 0.3 | ⋯ | 11.26 ± 0.02 | M2.0 V | 0.500 ± 0.020 | < 3 |
| ST3 | −11:06:07.0 | −370.8 ± 0.5 | 16.00 ± 0.07 | 10.2077 ± 0.0004 | 7.58 ± 0.03 | 3528 ± 51 | 0.497 ± 0.015 | −0.03 ± 0.02 | |
| GJ 912 | J23556−061 | 23:55:39.28 | −479.1 ± 0.2 | 56.1 ± 0.1 | 2.09 | 11.17 ± 0.06 | M2.5 V | 0.520 ± 0.020 | < 2 |
| SB1 | −07:51:20.8 | −379.01 ± 0.09 | 17.81 ± 0.03 | 10.1368 ± 0.0008 | 7.60 ± 0.02 | 3694 ± 51 | 0.515 ± 0.015 | +0.07 ± 0.01 | |
| GJ 4383 | J23585+076 | 23:58:32.74 | +77.7 ± 0.4 | 60.9 ± 0.3 | 13.31 | 11.7 ± 0.1 | M3.0 V | 0.455 ± 0.019 | < 2 |
| ST3 | +07:39:25.2 | −319.8 ± 0.2 | 16.43 ± 0.07 | 10.6312 ± 0.0004 | 7.91 ± 0.02 | 3471 ± 51 | 0.454 ± 0.015 | +0.04 ± 0.01 |
References. (a)Gaia Collaboration (2016, 2018, 2021); (b)Alonso-Floriano et al. (2015); (c)Reid et al. (1995); (d)Lépine et al. (2013); (e)Zacharias et al. (2013); (f)Skrutskie et al. (2006); (g)Schweitzer et al. (2019); (h)Passegger et al. (2018); (i)Jeffers et al. (2018); (j)Reiners et al. (2018); (k)Schöfer et al. (2019).
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