LP 816-60

LP 816-60
Observation data
Epoch J2000      Equinox J2000
Constellation Capricornus
Right ascension 20h 52m 33.01679s[1]
Declination −16° 58′ 29.0249″[1]
Apparent magnitude (V) 11.458[2]
Astrometry
Parallax (π)175.03 ± 3.40[1] mas
Distance18.6 ± 0.4 ly
(5.7 ± 0.1 pc)
Other designations
LP 816-60
NLTT 50038[3]
HIP 103039[4]
TYC 6348-400-1[5]
2MASS J20523304-1658289
Database references
SIMBADdata

LP 816-60 is a red dwarf star of spectral type M4, located in constellation Capricornus at 18.6 light-years from Earth.[1]

History of observations

The discovery name of this star is LP 816-60,[6] which indicates that its discovery was published between 1963 and 1981 in University of Minnesota, Minneapolis.[7]

LP 816-60 is known at least from 1979, when it was included to Luyten's catalogue NLTT.[3]

Distance

LP 816-60 distance estimates

Source Parallax, mas Distance, pc Distance, ly Distance, Pm Ref.
Perryman et al. (1997) (Hipparcos) 182.15±3.68 5.49±0.11 17.9±0.4 169.4+3.5
−3.4		 [4]
Perryman et al. (1997) (Tycho) (absents) [5]
van Leeuwen (2007) 175.03±3.40 5.71±0.11 18.6±0.4 176.3+3.5
−3.4		 [1]
RECONS TOP100 (2012) 175.03±3.40[nb 1] 5.71±0.11 18.6±0.4 176.3+3.5
−3.4		 [8]

Non-trigonometric distance estimates are marked in italic. The most precise estimate is marked in bold.

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen F. (2007). "HIP 103039". Validation of the new Hipparcos reduction. Retrieved 2014-11-29.
  2. ↑ Koen, C.; Kilkenny, D.; van Wyk, F.; Marang, F. (2010). "UBV(RI)C JHK observations of Hipparcos-selected nearby stars". Monthly Notices of the Royal Astronomical Society 403 (4): 1949–1968. Bibcode:2010MNRAS.403.1949K. doi:10.1111/j.1365-2966.2009.16182.x.
  3. ↑ 3.0 3.1 Luyten, Willem Jacob (1979). "NLTT 50038". NLTT Catalogue.
  4. ↑ 4.0 4.1 Perryman et al. (1997). "HIP 103039". The Hipparcos and Tycho Catalogues. Retrieved 2014-11-29.
  5. ↑ 5.0 5.1 Perryman et al. (1997). "HIP 103039". The Hipparcos and Tycho Catalogues. Retrieved 2014-11-29.
  6. ↑ Kirkpatrick, J. D.; Gelino, C. R.; Cushing, M. C.; Mace, G. N.; Griffith, R. L.; Skrutskie, M. F.; Marsh, K. A.; Wright, E. L.; Eisenhardt, P. R.; McLean, I. S.; Mainzer, A. K.; Burgasser, A. J.; Tinney, C. G.; Parker, S.; Salter, G. (2012). "Further Defining Spectral Type "Y" and Exploring the Low-mass End of the Field Brown Dwarf Mass Function". The Astrophysical Journal 753 (2): 156. arXiv:1205.2122. Bibcode:2012ApJ...753..156K. doi:10.1088/0004-637X/753/2/156.
  7. ↑ Dictionary of Nomenclature of Celestial Objects. LP entry. SIMBAD. Centre de Données astronomiques de Strasbourg.
  8. ↑ "RECONS TOP100". THE ONE HUNDRED NEAREST STAR SYSTEMS brought to you by RECONS (Research Consortium On Nearby Stars). 2012. Retrieved 2014-11-29.

Notes

  1. ↑ Parallax from van Leeuwen (2007).