Open Access
Table 2
Stellar parameters of HD 260655.
| Parameter | Value | Reference |
|---|---|---|
| Name and identifiers | ||
| Name | HD 260655 | Cannon (1931) |
| GJ | 239 | Gliese (1957) |
| Karmn | J06371+175 | AF15 |
| TOI | 4599 | TESS Alerts |
| TIC | 307809773 | Stassun et al. (2018) |
| Coordinates and spectral type | ||
| α | 06:37:10.80 | Gaia EDR3 |
| δ | +17:33:53.3 | Gaia EDR3 |
| Epoch | 2016.0 | Gaia EDR3 |
| Spectral type | M0.0V | Lépine et al. (2013) |
| Magnitudes | ||
| B (mag) | 11.10 ± 0.07 | UCAC4 |
| g (mag) | 10.52 ± 0.12 | UCAC4 |
| V (mag) | 9.77 ± 0.11 | UCAC4 |
| r′ (mag) | 9.38 ± 0.05 | UCAC4 |
| G (mag) | 8.878 ± 0.003 | Gaia EDR3 |
| i′ (mag) | 8.32 ± 0.04 | UCAC4 |
| T (mag) | 7.899 ± 0.008 | TIC |
| J (mag) | 6.674 ± 0.024 | 2MASS |
| H (mag) | 6.031 ± 0.016 | 2MASS |
| Ks (mag) | 5.862 ± 0.024 | 2MASS |
| W1 (mag) | 5.724 ± 0.124 | AllWISE |
| W2 (mag) | 5.524 ± 0.061 | AllWISE |
| W3 (mag) | 5.596 ± 0.022 | AllWISE |
| W4 (mag) | 5.491 ± 0.043 | AllWISE |
| Parallax and kinematics | ||
| π (mas) | 100.023 ± 0.021 | Gaia EDR3 |
| d (pc) | 9.9976 ± 0.0020 | Gaia EDR3 |
| µα cos δ (mas yr−1) | −764.41 ± 0.02 | Gaia EDR3 |
| µδ (mas yr−1) | +337.88 ± 0.02 | Gaia EDR3 |
| γ (km s−1) | −58.75 ± 0.02 | Lafarga et al. (2020) |
| U (km s−1) | +45.61 ± 0.14 | This work |
| V (km s−1) | +44.67 ± 0.04 | This work |
| W (km s−1) | −29.90 ± 0.01 | This work |
| Photospheric parameters | ||
| Teff (K) | 3803 ± 10 | Marfil et al. (2021) |
| log g | 5.20 ± 0.07 | Marfil et al. (2021) |
| [Fe/H] | −0.43 ± 0.04 | Marfil et al. (2021) |
| υ sin i* (km s−1) | <2.0 | Reiners et al. (2018) |
| Physical parameters | ||
| M (M⊙) | 0.439 ± 0.011 | This work |
| R (R⊙) | 0.439 ± 0.003 | This work |
| L (10−4 L⊙) | 363.1 ± 1.8 | This work |
| B [G] | <180 | Reiners et al. (2022) |
| LX (1027 erg s−1) | 2.0 ± 0.7 | Voges et al. (2000) |
| pEW′(Hα) (Å) | −0.067 ± 0.021 | Schöfer et al. (2019) |
| log R′HK | −4.84 ± 0.13 | Perdelwitz et al. (2021) |
| Prot (d) | 37.5 ± 0.4 | This work |
| Age (Gyr) | 2–8 | This work |
References. AF15: Alonso-Floriano et al. (2015); Gaia EDR3: Gaia Collaboration (2021); UCAC4: Zacharias et al. (2013); TIC: Paegert et al. (2021); 2MASS: Skrutskie et al. (2006); AllWISE: Cutri et al. (2021).
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