LHS 288

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LHS 288
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
L 143-23, RHG95 1673, GJ 3618, LTT 3946, PLX 2511.01
Database references
SIMBAD data

LHS 288 (Luyten 143-23) is a red dwarf at a distance of 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[edit]

LHS 288 distance estimates

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
−0.8
138.5+9
−8
[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
−0.2
147.7+2
−1.9
[1]
RECONS TOP100 (2012) 209.70±2.65[nb 1] 4.77±0.06 15.55+0.2
−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[edit]

References[edit]

  1. ^ 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. 
  2. ^ Gliese, W. and Jahreiß, H. (1991). "NN 3618". Preliminary Version of the Third Catalogue of Nearby Stars. Retrieved 2014-11-22. 
  3. ^ 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. 
  4. ^ "RECONS TOP100". THE ONE HUNDRED NEAREST STAR SYSTEMS brought to you by RECONS (Research Consortium On Nearby Stars). 2012. Retrieved 2014-11-22. 

Notes[edit]

  1. ^ Weighted parallax based on parallaxes from van Altena et al. (1995) and Henry et al. (2006).

External links[edit]