HN Librae
| 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) | 161.73 ± 1.47 mas[2] |
| Distance | 20.2 ± 0.2 ly (6.18 ± 0.06 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
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.[13]
References
- ^ a b van Leeuwen F. (2007). "HIP 71253". Validation of the new Hipparcos reduction.
- ^ Davison, Cassy L.; White, Russel J.; Henry, Todd J.; Riedel, Adric R.; Jao, Wei-Chun; Bailey III, John I.; Quinn, Samuel N.; Justin R., Cantrell; John P., Subasavage; Jen G., Winters (2015). "A 3D Search for Companions to 12 Nearby M-Dwarfs". arXiv:1501.05012 [astro-ph.SR].
{{cite arXiv}}: Cite has empty unknown parameters:|doi=and|accessdate=(help) - ^ Schönfeld, Eduard; et al. (1886). "BD -11 3759". Southern Durchmusterung.
- ^ Gliese, W.; Jahreiß, H. (1991). "Gl 555". Preliminary Version of the Third Catalogue of Nearby Stars.
- ^ Perryman; et al. (1997). "HIP 71253". The Hipparcos and Tycho Catalogues.
- ^ 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).
- ^ Luyten, Willem Jacob (1979). "LHS 2945". LHS Catalogue, 2nd Edition.
- ^ Luyten, Willem Jacob (1979). "NLTT 37751". NLTT Catalogue.
- ^ Van Altena W. F.; Lee J. T.; Hoffleit E. D. (1995). "GCTP 3296". The General Catalogue of Trigonometric Stellar Parallaxes (Fourth ed.).
- ^ Wolf, M. (1925). "Einige bewegte Sterne in Virgo und Libra". Astronomische Nachrichten. 225: 215. Bibcode:1925AN....225R.215W. doi:10.1002/asna.19252251205. Page 215/216 (Wolf 1481)
- ^ Perryman; et al. (1997). "HIP 71253". The Hipparcos and Tycho Catalogues.
- ^ Hog; et al. (2000). "TYC 5572-804-1". The Tycho-2 Catalogue.
- ^ 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.
