Gliese 555

GJ 555
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Libra
Right ascension 14h 34m 16.81183s[1]
Declination −12° 31′ 10.3965″[1]
Apparent magnitude (V) 11.317
Characteristics
Spectral type M4.0V
Variable type BY Dra type
Astrometry
Radial velocity (Rv)-1.45 ± 0.1 km/s
Parallax (π)158.46 ± 2.62[2] mas
Distance20.6 ± 0.3 ly
(6.3 ± 0.1 pc)
Other designations
BD -11 3759[3]
HN Lib
Wolf 1481[4]
Ci 20 870[5]
LPM 532
LTT 5759
LFT 1120
PM 14316-1219
NLTT 37751[6]
LHS 2945[7]
GJ 555[8]
PLX 3296[9]
GSC 05572-00804
HIP 71253[10]
TYC 5572-804-1[11][12]
2MASS J14341683-1231106
Database references
SIMBADdata

Gliese 555 (HN Librae) is a red dwarf star of spectral type M4.0V, located in constellation Libra at 20.6 light-years from Earth.[2]

Distance

Gliese 555 distance estimates

Source Parallax, mas Distance, pc Distance, ly Distance, Pm Ref.
Woolley et al. (1970) 160±5 6.25+0.2
−0.19		 20.4+0.7
−0.6		 192.9+6.2
−5.8		 [13]
Gliese & Jahreiß (1991) 159.0±6.6 6.29+0.27
−0.25		 20.5+0.9
−0.8		 194.1+8.4
−7.7		 [8]
van Altena et al. (1995) 157.6±7.9 6.35+0.33
−0.3		 20.7+1.1
−1		 195.8+10.3
−9.3		 [9]
Perryman et al. (1997) (Hipparcos) 163.51±2.77 6.12+0.11
−0.1		 19.9±0.3 188.7+3.3
−3.1		 [10]
Perryman et al. (1997) (Tycho) (absents) [11]
Jao et al. (2005) 158.46±2.62 6.31+0.11
−0.1		 20.6±0.3 194.7+3.3
−3.2		 [2]
van Leeuwen (2007) 164.99±3.29 6.06±0.12 19.8±0.4 187+3.8
−3.7		 [1]
RECONS TOP100 (2012) 160.78±1.98[nb 1] 6.22±0.08 20.29±0.25 191.9+2.4
−2.3		 [14]

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

References

  1. ↑ 1.0 1.1 1.2 van Leeuwen F. (2007). "HIP 71253". Validation of the new Hipparcos reduction.
  2. ↑ 2.0 2.1 2.2 Jao, Wei-Chun; Henry, Todd J.; Subasavage, John P.; Brown, Misty A.; Ianna, Philip A.; Bartlett, Jennifer L.; Costa, Edgardo; Méndez, René A. (2005). "The Solar Neighborhood. XIII. Parallax Results from the CTIOPI 0.9 Meter Program: Stars with mu >= 1.0" yr-1 (MOTION Sample)". The Astronomical Journal 129 (4): 1954–1967. arXiv:astro-ph/0502167. Bibcode:2005AJ....129.1954J. doi:10.1086/428489.
  3. ↑ Schönfeld, Eduard et al. (1886). "BD -11 3759". Southern Durchmusterung.
  4. ↑ Wolf, M. (1925). "Einige bewegte Sterne in Virgo und Libra". Astronomische Nachrichten 225: 215. Bibcode:1925AN....225R.215W. Page 215/216 (Wolf 1481)
  5. ↑ Porter, J. G.; Yowell, E. J.; Smith, E. S. (1930). "A catalogue of 1474 stars with proper motion exceeding four-tenths year.". Publications of the Cincinnati Observatory 20: 1–32. Bibcode:1930PCinO..20....1P. Page 20 (Ci 20 870).
  6. ↑ Luyten, Willem Jacob (1979). "NLTT 37751". NLTT Catalogue.
  7. ↑ Luyten, Willem Jacob (1979). "LHS 2945". LHS Catalogue, 2nd Edition.
  8. ↑ 8.0 8.1 Gliese, W. and Jahreiß, H. (1991). "Gl 555". Preliminary Version of the Third Catalogue of Nearby Stars.
  9. ↑ 9.0 9.1 Van Altena W. F., Lee J. T., Hoffleit E. D. (1995). "GCTP 3296". The General Catalogue of Trigonometric Stellar Parallaxes (Fourth ed.).
  10. ↑ 10.0 10.1 Perryman et al. (1997). "HIP 71253". The Hipparcos and Tycho Catalogues.
  11. ↑ 11.0 11.1 Perryman et al. (1997). "HIP 71253". The Hipparcos and Tycho Catalogues.
  12. ↑ Hog et al. (2000). "TYC 5572-804-1". The Tycho-2 Catalogue.
  13. ↑ Woolley R.; Epps E. A.; Penston M. J.; Pocock S. B. (1970). "Woolley 555". Catalogue of stars within 25 parsecs of the Sun.
  14. ↑ "RECONS TOP100". THE ONE HUNDRED NEAREST STAR SYSTEMS brought to you by RECONS (Research Consortium On Nearby Stars). 2012.

Notes

  1. ↑ Weighted parallax based on parallaxes from van Altena et al. (1995), Jao et al. (2005) and van Leeuwen (2007).