Observation data Epoch J2000 Equinox J2000 |
|
---|---|
Constellation | Carina |
Right ascension | 10h 44m 21.26s |
Declination | −61° 12′ 35.4″ |
Apparent magnitude (V) | 13.92 |
Characteristics | |
Spectral type | M |
Variable type | None |
Astrometry | |
Proper motion (μ) | RA: −334 mas/yr Dec.: 1626 mas/yr |
Parallax (π) | 208.95 ± 2.73[1] mas |
Distance | 15.6 ± 0.2 ly (4.79 ± 0.06 pc) |
Absolute magnitude (MV) | 15.74 |
Other designations | |
Database references | |
SIMBAD | data |
LHS 288 (Luyten 143-23) is a red dwarf 15.6 light years from the Sun, the closest in the constellation Carina. It is far too faint to be seen with the unaided eye, with an apparent magnitude of 13.92. Recent studies suggest it may harbour a planet with the mass of Jupiter.
Distance
Source | Parallax, mas | Distance, pc | Distance, ly | Distance, Pm | Ref. |
---|---|---|---|---|---|
Gliese & Jahreiß (1991) | 222.8±13.6 | 4.49+0.29 −0.26 |
14.6+1.0 −0.8 |
138.5+9.0 −8.0 |
[2] |
van Altena et al. (1995) | 222.5±11.3 | 4.49+0.24 −0.22 |
14.7+0.8 −0.7 |
138.7+7.4 −6.7 |
[3] |
Henry et al. (2006) | 208.95±2.73 | 4.79±0.06 | 15.61+0.21 −0.20 |
147.7+2.0 −1.9 |
[1] |
RECONS TOP100 (2012) | 209.70±2.65[nb 1] | 4.77±0.06 | 15.55+0.20 −0.19 |
147.1+1.9 −1.8 |
[4] |
Non-trigonometric distance estimates are marked in italic. The most precise estimate is marked in bold.
See also
References
- ^ a b 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". The Astronomical Journal 132 (6): 2360–2371. arXiv:astro-ph/0608230. Bibcode:2006AJ....132.2360H. doi:10.1086/508233.
- ^ Gliese, W. and Jahreiß, H. (1991). "NN 3618". Preliminary Version of the Third Catalogue of Nearby Stars. Retrieved 2014-11-22.
- ^ Van Altena W. F., Lee J. T., Hoffleit E. D. (1995). "GCTP 2511.01". The General Catalogue of Trigonometric Stellar Parallaxes (Fourth ed.). Retrieved 2014-11-22.
- ^ "RECONS TOP100". THE ONE HUNDRED NEAREST STAR SYSTEMS brought to you by RECONS (Research Consortium On Nearby Stars). 2012. Retrieved 2014-11-22.
Notes
- ^ Weighted parallax based on parallaxes from van Altena et al. (1995) and Henry et al. (2006).
External links
- Knowing Our Neighbors: Fundamental Properties of Nearby Stars by Jennifer Bartlett
- SIMBAD astronomical database on LHS 288
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