LHS 292 is a red dwarf in the constellation Sextans. It is far too faint to be seen with the unaided eye and requires a large amateur telescope to be seen visually. It lies relatively close to the Solar System at a distance of about 14.9 light years. It is a flare star, which means it can suddenly increase in brightness for short periods of time.
 Generic rendering of LHS 292 flare star | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Sextans |
| Right ascension | 10h 48m 12.6s[1] |
| Declination | −11° 20′ 14″[1] |
| Apparent magnitude (V) | 15.73[1] |
| Characteristics | |
| Spectral type | M6.5 V |
| Apparent magnitude (J) | 8.9[2] |
| B−V color index | 2.10 |
| Variable type | Flare star |
| Astrometry | |
| Proper motion (μ) | RA: 579.019±0.066[3] mas/yr Dec.: −1530.076±0.058[3] mas/yr |
| Parallax (π) | 219.3302 ± 0.0602 mas[3] |
| Distance | 14.871 ± 0.004 ly (4.559 ± 0.001 pc) |
| Absolute magnitude (MV) | 17.45[1] |
| Details | |
| Mass | 0.08[1] M☉ |
| Radius | 0.11[4] R☉ |
| Luminosity | 0.00069[5] L☉ |
| Temperature | 2650-2900[5] K |
| Metallicity [Fe/H] | -0.41 dex |
| Other designations | |
LP 731-58, GJ 3622, GCTP 2516.02 | |
| Database references | |
| SIMBAD | data |
  LHS 292 Location of LHS 292 in the constellation Sextans | |
It has the space velocity components [U, V, W] = [28, −16, −14] km/s.[6]
See also
editReferences
edit- ^ a b c d e "The One Hundred Nearest Star Systems". Research Consortium On Nearby Stars. Georgia State University. 2007-09-17. Retrieved 2007-11-06.
- ^ "LHS 292". SIMBAD Astronomical Database. Retrieved 2012-06-12.
- ^ a b c 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.
- ^ J. Morin; et al. (October 2010). "Large-scale magnetic topologies of late M dwarfs". Monthly Notices of the Royal Astronomical Society. 407 (4): 2269–2286. arXiv:1005.5552. Bibcode:2010MNRAS.407.2269M. doi:10.1111/j.1365-2966.2010.17101.x. S2CID 119192200.
- ^ a b Golimowski; et al. (2004). "L' and M' Photometry of Ultracool Dwarfs". The Astrophysical Journal. 127 (6): 3516–3536. arXiv:astro-ph/0402475. Bibcode:2004AJ....127.3516G. doi:10.1086/420709. S2CID 119456106.
- ^ Reiners, Ansgar; Basri, Gibor (November 2009). "A Volume-Limited Sample of 63 M7-M9.5 Dwarfs. I. Space Motion, Kinematic Age, and Lithium". The Astrophysical Journal. 705 (2): 1416–1424. arXiv:0909.4647. Bibcode:2009ApJ...705.1416R. doi:10.1088/0004-637X/705/2/1416. S2CID 15893765.
Notes
editExternal links
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