LP 791-18
LP 791-18 (TOI-736) is a cool M dwarf star in the constellation Crater, located 26.65 parsecs (86.9 light-years) away from Earth.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Crater |
| Right ascension | 11h 02m 45.95462s |
| Declination | −16° 24′ 22.2882″ |
| Apparent magnitude (V) | 16.9±0.2 |
| Characteristics | |
| Evolutionary stage | Red dwarf (main sequence) |
| Spectral type | M6.1±0.7V |
| Astrometry | |
| Proper motion (μ) | RA: -221.291 mas/yr Dec.: -58.841 mas/yr |
| Parallax (π) | 37.5225 ± 0.0392 mas |
| Distance | 86.92 ± 0.09 ly (26.65 ± 0.03 pc) |
| Details | |
| Mass | 0.139±0.005 M☉ |
| Radius | 0.17±0.018 R☉ |
| Temperature | 2960±55 K |
| Metallicity [Fe/H] | -0.09±0.19 dex |
| Age | 0.5±0.064 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
The star is one of the smallest known to host exoplanets. In 2019 two exoplanets in transit around it were announced by TESS, and a third planet was discovered in Spitzer Space Telescope data in 2023.
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