Table 1
Basic information on the host star.
| HD 180617 | Ref. | |
|---|---|---|
| Karmna | J19169+051N | |
| Wolf | 1055 | |
| GJ | 752 A | |
| BD | +04 4048 | |
| Var. name | V1428 Aql | |
| Sp. type | M2.5 V | AF15 |
| G (mag) | 8.0976 ± 0.011 | Gaia |
| J (mag) | 5.583 ± 0.030 | 2MASS |
| d (pc) | 5.9116 ± 0.018 | Gaia |
| μα cosδ (mas a−1) | –579.043 ± 0.088b | Gaia |
| μδ (mas a−1) | –1332.743 ± 0.081b | Gaia |
| V r (km s−1) | +35.678 | Rei18 |
| U (km s−1) | +53.2 | This work |
| V (km s−1) | –7.6 | This work |
| W (km s−1) | –5.0 | This work |
| vsini (km s−1) | <2 | Rei18 |
| Teff (K) | 3557 ± 51 | Pas18 |
| logg | 4.86 ± 0.07 | Pas18 |
| (Fe/H) | 0.00 ± 0.16 | Pas18 |
| L (L⊙) | 0.0326 ± 0.0004 | This work |
| R (R⊙) | 0.453 ± 0.019 | This work |
| M⋆ (M⊙) | 0.45 ± 0.04 | This work |
| pEW(Hα) (Å) | +0.3 ± 0.1 | Jef18 |
 |
−5.071 ± 0.071 | Ast17 |
| Prot (d) | 46.04 ± 0.20 | DA17 |
| Kinematic pop. | Thin disc | CC16 |
Notes. (a) Carmencita identifier (Caballero et al. 2016a). (b)Proper motions from the Tycho-Gaia Astrometric Solution (Gaia Collaboration 2016) have slightly smaller uncertainties, but for homogeneity, we use those from Gaia DR2.
References. 2MASS: Skrutskie et al. (2006); AF15: Alonso-Floriano et al. (2015); Ast17: Astudillo-Defru et al. (2017); CC16: Cortés-Contreras (2016); DA17: Díez Alonso et al. (2017); Gaia: Gaia Collaboration (2018); Jef18: Jeffers et al. (2018); Pas18: Passegger et al. (2018); Rei18: Reiners et al. (2018b).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.