Table 1.
Main properties and observing log of the spectroscopic binaries studied in this work.
| Name | Karmn | Nobs |
Δt | Sp. | Ref.a | π | G | Ks | |
|---|---|---|---|---|---|---|---|---|---|
| VIS | NIR | (d) | Type | (mas) | (mag) | (mag) | |||
| EZ Psc | J00162+198W | 10 | 10 | 528.6 | M4.0V+ | AF15 | 65.72 ± 0.10 | 10.8968 ± 0.0021 | 7.083 ± 0.023 |
| GJ 1029 | J01056+284 | 15 | 15 | 443.8 | M5.0 V+ | PMSU | 79.84 ± 0.34 | 12.9701 ± 0.0019 | 8.550 ± 0.020 |
| Ross 59 | J05532+242 | 22b | 16 | 1893.7b | M1.5 V+ | PMSU | 51.5 ± 4.6 | 9.9176 ± 0.0040 | 6.633 ± 0.021 |
| NLTT 23956 | J10182−204 | 14 | 14 | 359.0 | M4.5 V+ | Ria06 | 39.483 ± 0.087 | 12.3261 ± 0.0025 | 8.145 ± 0.023 |
| GJ 3612 | J10354+694 | 21 | 14 | 686.0 | M3.5 V+ | PMSU | 77.34 ± 0.29 | 10.7133 ± 0.0019 | 7.161 ± 0.020 |
| GJ 1182 | J14155+046 | 21 | 18 | 428.8 | M5.0 V+ | PMSU | 71.11 ± 0.39 | 12.6739 ± 0.0020 | 8.618 ± 0.025 |
| UU UMi | J15412+759 | 19 | 18 | 727.9 | M3.0 V+ | PMSU | 68.3 ± 1.5 | 11.0493 ± 0.0020 | 7.442 ± 0.023 |
| LP 395-8 | J20198+229 | 14 | 12 | 500.7 | M3.0 V+ | Lep13 | 34.081 ± 0.074 | 10.9990 ± 0.0024 | 7.283 ± 0.018 |
| GJ 810A | J20556−140N | 18 | 18 | 556.6 | M4.0 V+ | PMSU | 77.02 ± 0.40 | 11.0453 ± 0.0024 | 7.365 ± 0.026 |
Notes. Ks magnitudes are from the 2MASS survey (Skrutskie et al. 2006). Parallaxes and G magnitudes are from the Gaia Data Release 2 (Gaia Collaboration 2016), except for Ross 59, which comes from van Altena et al. (1995).
AF15: Alonso-Floriano et al. (2015); APASS: Henden et al. (2015); Lep13: Lépine et al. (2013); PMSU: Hawley et al. (1996); Ria06: Riaz et al. (2006); UCAC4: Zacharias et al. (2013).
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