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LHS 288 
Summary
LHS 288 (Luyten 143-23) is a red dwarf around 15.8 light years from the Sun, the closest in the constellation Carina (near Eta Carinae). It is far too faint to be seen with the unaided eye, with an apparent magnitude of 13.92.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Carina |
| Right ascension | 10h 44m 21.320s[1] |
| Declination | −61° 12′ 35.44″[1] |
| Apparent magnitude (V) | 13.92[2] |
| Characteristics | |
| Spectral type | M5V[3] (M4[1]) |
| B−V color index | 1.82[2] |
| V−R color index | 1.59[1] |
| R−I color index | 2.02[1] |
| J−H color index | 0.442[1] |
| J−K color index | 0.764[1] |
| Astrometry | |
| Proper motion (μ) | RA: −334[1] mas/yr Dec.: 1626[1] mas/yr |
| Parallax (π) | 206.9698 ± 0.0448 mas[4] |
| Distance | 15.759 ± 0.003 ly (4.832 ± 0.001 pc) |
| Absolute magnitude (MV) | 15.52α |
| Other designations | |
| Database references | |
| SIMBAD | data |
  LHS 288 Location of LHS 288 in the constellation Carina | |
Recent studies suggest it may harbour a planet with a mass as small as 2.4 MJ, but the possibility that it passed over an undetected faint star could not be eliminated.[5]
See also edit
References edit
- ^ a b c d e f g h i "GJ 3618". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 3 Jun 2017.
- ^ a b "Nearby Stars, Preliminary 3rd Version (Gliese+ 1991)".
- ^ Henry, T. J.; Jao, Wei-Chun; Subasavage, John P.; Beaulieu, Thomas D.; Ianna, Philip A.; Costa, Edgardo; Méndez, René A. (2006). "The Solar Neighborhood. XVII. Parallax Results from the CTIOPI 0.9 m Program: 20 New Members of the RECONS 10 Parsec Sample" (PDF). The Astronomical Journal. 132 (6): 2360–2371. arXiv:astro-ph/0608230. Bibcode:2006AJ....132.2360H. doi:10.1086/508233. S2CID 15002841.
- ^ 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.
- ^ Bartlett, Jennifer L.; Ianna, P. A.; Begam, M. C. (2007). "Possible Astrometric Perturbation of LHS 288". American Astronomical Society Meeting Abstracts #209. 209: 254.16. Bibcode:2007AAS...20925416B.
- ^α calculated using this formula
External links edit
- Knowing Our Neighbors: Fundamental Properties of Nearby Stars by Jennifer Bartlett
- SIMBAD astronomical database on LHS 288