GJ 1062: Difference between revisions
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| author1=Mermilliod, J.-C. |
| author1=Mermilliod, J.-C. |
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| title=Compilation of Eggen's UBV data, transformed to UBV (unpublished) |
| title=Compilation of Eggen's UBV data, transformed to UBV (unpublished) |
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| journal=Catalogue of Eggen's |
| journal=Catalogue of Eggen's UBV Data |
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| url = http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?1986EgUBV........0M&db_key=AST&nosetcookie=1 |
| url = http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?1986EgUBV........0M&db_key=AST&nosetcookie=1 |
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| date=1986 |
| date=1986 |
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Revision as of 06:48, 5 December 2020
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Eridanus |
| Right ascension | 03h 38m 15.580s[1] |
| Declination | −11° 29′ 10.29″[1] |
| Apparent magnitude (V) | +13.02[1] |
| Characteristics | |
| Spectral type | M2.5VI[2] |
| U−B color index | +1.385[3] |
| B−V color index | +1.605[3] |
| Astrometry | |
| Radial velocity (Rv) | -104.3[1] km/s |
| Proper motion (μ) | RA: 1461[1] mas/yr Dec.: -2699[1] mas/yr |
| Parallax (π) | 62.4 ± 3.30 mas[4] |
| Distance | 52 ± 3 ly (16.0 ± 0.8 pc) |
| Absolute magnitude (MV) | 12.0[5] |
| Details | |
| Radius | 0.202[6] R☉ |
| Temperature | 3488[6] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| ARICNS | data |
Gliese 1062 is a M-type subdwarf star in the constellation Eridanus.[5] [7] The star has a total proper motion of 3.033 "/yr, making it the 25th-fastest-moving star in terms of angular position as seen from Earth, and its radial velocity is -18 km/s. At a distance of about 52 light years (16 parsecs) and with an absolute magnitude of 13.1, this star has an apparent magnitude of 14.6 when viewed from Earth.[8][9]
The star is also known as LHS 20 and Ross 578.
References
- ^ a b c d e f "GJ 1062". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 4 December 2016.
- ^ Gizis, John E. (1997). "M-Subdwarfs: Spectroscopic Classification and the Metallicity Scale". Astronomical Journal. 113: 806–822. arXiv:astro-ph/9611222. Bibcode:1997AJ....113..806G. doi:10.1086/118302. S2CID 16863021.
- ^ a b Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. Bibcode:1986EgUBV........0M.
- ^ Jao, Wei-Chun; et al. (2011). "The Solar Neighborhood. XXIV. Parallax Results from the CTIOPI 0.9 m Program: Stars with μ ≥ 1farcs0 yr-1 (MOTION Sample) and Subdwarfs". The Astronomical Journal. 141 (4): 117–127. arXiv:1102.0994. Bibcode:2011AJ....141..117J. doi:10.1088/0004-6256/141/4/117. S2CID 118723387.
- ^ a b "ARICNS ARI Data Base for Nearby Stars". University of Heidelberg. Retrieved 31 July 2012.
- ^ a b Houdebine, E. R. (2010). "Observation and modelling of main-sequence star chromospheres - XIV. Rotation of dM1 stars". Monthly Notices of the Royal Astronomical Society. 407 (3): 1657. Bibcode:2010MNRAS.407.1657H. doi:10.1111/j.1365-2966.2010.16827.x.
- ^ Bakich, Michael E. (1995), The Cambridge Guide to the Constellations, Cambridge University Press, p. 95, ISBN 978-0-521-44921-2
- ^ University of Tennessee Department of Physics and Astronomy, Table:Proper Motion: Stars with very large proper motion. accessdate = 31 July 2012
- ^ Martin V. Zombeck Handbook of Space Astronomy And Astrophysics Cambridge University Press. 2007 page 86.
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