TOI-4342
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Octans |
| Right ascension | 21h 37m 32.864s |
| Declination | −77° 58′ 43.51″ |
| Apparent magnitude (V) | 12.669±0.057 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | M0V |
| Apparent magnitude (B) | 14.055±0.011 |
| Apparent magnitude (J) | 9.832±0.024 |
| Apparent magnitude (H) | 9.179±0.024 |
| Apparent magnitude (K) | 9.018±0.021 |
| Variable type | planetary transit |
| Astrometry | |
| Radial velocity (Rv) | −4.43±0.36 km/s |
| Proper motion (μ) | RA: 120.333±0.019 mas/yr Dec.: −91.503±0.018 mas/yr |
| Parallax (π) | 16.2487±0.0184 mas |
| Distance | 200.7 ± 0.2 ly (61.54 ± 0.07 pc) |
| Details | |
| Mass | 0.6296±0.0086 M☉ |
| Radius | 0.599±0.013 R☉ |
| Luminosity | 0.0746±0.0053 L☉ |
| Surface gravity (log g) | 4.6878+0.0086 −0.0096 cgs |
| Temperature | 3901±69 K |
| Metallicity [Fe/H] | 0.187 dex |
| Other designations | |
| Gaia DR2 6355915466180482944, Gaia DR3 6355915466181029376, TOI-4342, TIC 354944123, 2MASS J21373286−7758435, GALAH 171003003101372 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
TOI-4342 is a red dwarf star in the constellation Octans located 201 light-years from Earth. It hosts two transiting exoplanets. Both planets are considered to be good targets for transmission spectroscopy measurements for determination of atmospheric composition.