Table 1
Main identifiers, equatorial coordinates, optical and infrared magnitudes, and fundamental parameters of CD-31 1415.
| Parameter | Value | Source |
|---|---|---|
| Main identifiers | ||
| CD | 311415 | ExoFOPa |
| TOI | 2427 | ExoFOP |
| TIC | 142937186 | ExoFOP |
| TYC | 7021-562-1 | ExoFOP |
| 2MASS | J03290981-3121470 | 2MASSb |
| Gaia DR3 | 5055663973297050624 | Gaia DR3c |
| Equat. coord., proper motion, parallax, radial velocity | ||
| α (J2000.0) | 03h 29m 09.83s | Gaia DR3 |
| δ (J2000.0) | −31° 21′ 46.96′′ | Gaia DR3 |
| μRA cos δ(mas yr−1) | 150.466 ± 0.010 | Gaia DR3 |
| μδ (mas yr−1) | 41.419 ± 0.014 | Gaia DR3 |
| π (mas) | 35.0395 ± 0.0143 | Gaia DR3 |
| RV(km s−1) | 36.33 ± 0.13 | Gaia DR3 |
| Optical and near-infrared photometry | ||
| TESS T | 9.0138 ± 0.0060 | TICd |
| Johnson V | 10.385 ± 0.018 | APASSe |
| Johnson B | 11.703 ± 0.033 | APASS |
| G | 9.8236 ± 0.0002 | Gaia DR3 |
| GBP | 10.6208 ± 0.0005 | Gaia DR3 |
| GRP | 8.9522 ± 0.0004 | Gaia DR3 |
| J | 7.889 ± 0.026 | 2MASS |
| H | 7.225 ± 0.033 | 2MASS |
| Ks | 7.048 ± 0.024 | 2MASS |
| W 1 | 6.971 ± 0.054 | WISEf |
| W 2 | 7.035 ± 0.021 | WISE |
| Fundamental parameters | ||
| Teff(K) | 4203 ± 110 | This workg |
| log g*(cgs) (spec) | 4.62 ± 0.12 | This workg |
| [Fe/H] | −0.210 ± 0.093 | This workg |
| [Ca/H] | −0.160 ± 0.088 | This workg |
| v sin i*(km s−1) | 2.80 ± 0.93 | This workg |
| M*(M⊙) |  |
This workh |
| R*(R⊙) |  |
This workh |
| L*(L⊙) | 0.110 ± 0.012 | This worki |
| Prot (d) | 28 ± 1 | This workj |
| log R′HK | −4.86 ± 0.06 | This workk |
| t* (Gyr) | 1.58 ± 0.14 | This workl |
| Spectral type | K7 V | This work |
| Av |  |
This workh |
Notes. ahttps://exofop.ipac.caltech.edu/tess. bTwo Micron All Sky Survey (2MASS; Cutri et al. 2003). cGaia Data Release 3 (Gaia DR3; Gaia Collaboration 2023). dTESS Input Catalog −v8.0 (TIC; Stassun et al. 2019). eAAVSO Photometric All Sky Survey (APASS; Henden et al. 2015). fAllWISE Data Release (WISE; Cutri 2014). gDerived with SME. hDerived with astroARIADNE. iFrom Teff and R*. jFrom WASP-South photometry. kFrom the co-added HARPS spectrum. lFrom the Engle & Guinan (2023)’s rotation-age relationship.
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