Table 1
Stellar parameters for TOI-663 (TIC 54962195, UCAC4 408-053407, 2MASS J10401596-0830385, WISE J104015.85-083039.4, and APASS 3855837).
| Parameter | Value | Refs |
|---|---|---|
| Astrometry | ||
| Right ascension (J2015.5), α | 10h 40m 15.8s | 1,2 |
| Declination (J2015.5), δ | −08º30′39.9″ | 1,2 |
| Parallax, (mas) | 15.639 ± 0.023 | 1,2 |
| Distance, d (pc) | 64.23 ± 0.18 | 1,2 |
| Proper motion RA (mas yr−1) | −141.994 ± 0.030 | 1,2 |
| Proper motion D (mas yr−1) | −83.131 ± 0.029 | 1,2 |
| Photometry | ||
| V (mag) | 13.667 ± 0.023 | 3 |
| TESS magnitude (mag) | 11.7602 ± 0.0074 | 3 |
| J (mag) | 10.448 ± 0.026 | 4 |
| H (mag) | 9.828 ± 0.022 | 4 |
| Ks (mag) | 9.607 ± 0.021 | 4 |
| Stellar parameters | ||
| Spectral type | M1V | 5 |
 (mag) |
5.571 ± 0.022 | 8 |
| Effective temperature, Teff (K) | 3681 ± 70 | 7,8 |
| Surface gravity, log 𝑔 (cgs) | 4.7266 ± 0.0085 | 3 |
| Metallicity, (Fe/H) (dex) | 0.07 ± 0.12 | 7,8 |
| Stellar radius, R★ (R⊙) | 0.512 ± 0.015 | 1,6,8 |
| Stellar mass, M★ (M⊙) | 0.514 ± 0.012 | 1,6,8 |
| log R′HK | −4.81 ± 0.15 | 8 |
References. (1) Gaia Collaboration (2018), (2) Lindegren et al. (2018), (3) Stassun et al. (2019), (4) Cutri et al. (2003), (5) Pecaut & Mamajek (2013), (6) Mann et al. (2015, 2019), (7) Yee et al. (2017), (8) this work.
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.