| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Carina |
| Right ascension | 09h 42m 46.3420s[1] |
| Declination | −68° 53′ 06.004″[1] |
| Apparent magnitude (V) | 12.78[2] |
| Characteristics | |
| Spectral type | M4.0V[3] |
| Astrometry | |
| Proper motion (μ) | RA: −75.523[1] mas/yr Dec.: 1128.513[1] mas/yr |
| Parallax (π) | 153.7593 ± 0.0249 mas[4] |
| Distance | 21.212 ± 0.003 ly (6.504 ± 0.001 pc) |
| Absolute magnitude (MV) | 13.715[2] |
| Details | |
| Mass | 0.175[5] M☉ |
| Radius | 0.190[2] R☉ |
| Luminosity | 0.0043[6] L☉ |
| Surface gravity (log g) | 5.03[6] cgs |
| Temperature | 3144[2] K |
| Metallicity [Fe/H] | 0.09[2] dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
GJ 1128 is a red dwarf star of spectral type M4.0V, located in constellation Carina 21 light-years away from Earth. It is one of the closer stars to the Sun.
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lurie2014was invoked but never defined (see the help page). - ^ Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. (Erratum: doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.
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