2MASS J15404342−5101357
2M1540 Location of 2M1540 in the constellation Norma | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Norma |
| Right ascension | 15h 40m 43.536s |
| Declination | −51° 01′ 35.97″ |
| Apparent magnitude (V) | 15.26 |
| Characteristics | |
| Evolutionary stage | main-sequence star |
| Spectral type | M7V |
| Apparent magnitude (J) | 8.96 |
| Astrometry | |
| Radial velocity (Rv) | 50.0 km/s |
| Proper motion (μ) | RA: 1949.461 mas/yr Dec.: −324.789 mas/yr |
| Parallax (π) | 187.7290±0.0496 mas |
| Distance | 17.374 ± 0.005 ly (5.327 ± 0.001 pc) |
| Absolute bolometric magnitude (Mbol) | 12.81 |
| Details | |
| Mass | 0.105 M☉ |
| Radius | 0.122 R☉ |
| Luminosity | 9×10−4 L☉ |
| Temperature | 2621±100 K |
| Other designations | |
| GJ 12259, 2M1540, 2MASS J154043.42-510135.7, WISEA J154045.67-510139.3, UCAC4 195-119117, Gaia DR2 5985290231327158144 | |
| Database references | |
| SIMBAD | data |
2MASS J15404341−5101357 (abbreviated 2M1540) is a red dwarf of spectral type M7, located in Norma at 17.374 light-years from Earth.