Astronomy:R Leonis Minoris
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Short description: Star in the constellation Leo Minor
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Leo Minor |
| Right ascension | 09h 45m 34.28304s[2] |
| Declination | +34° 30′ 42.7839″[2] |
| Apparent magnitude (V) | 6.3 - 13.2[3] |
| Characteristics | |
| Spectral type | M6.5e to M9.0e (Tc:)[3] |
| U−B color index | +0.55[4] |
| B−V color index | +1.32[4] |
| Variable type | Mira[3] |
| Astrometry | |
| Radial velocity (Rv) | -10.00 ± 4.6[5] km/s |
| Proper motion (μ) | RA: 4.00[2] mas/yr Dec.: −5.94[2] mas/yr |
| Parallax (π) | 2.88 ± 1.88[2] mas |
| Distance | approx. 1,100 ly (approx. 300 pc) |
| Details | |
| Radius | 569 ± 146[6] R☉ |
| Luminosity | 5,330[7] L☉ |
| Temperature | 2,648[7] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
R Leonis Minoris (R LMi) is a Mira variable type star in the constellation Leo Minor. It ranges between apparent magnitude 6.3 and 13.2, and spectral types M6.5e to M9.0e (Tc:), over a period of 372 days.[8]
References
- ↑ "Download Data". AAVSO. https://www.aavso.org/data-download.
- ↑ 2.0 2.1 2.2 2.3 2.4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. doi:10.1051/0004-6361:20078357. Bibcode: 2007A&A...474..653V. http://www.aanda.org/index.php?option=com_article&access=bibcode&Itemid=129&bibcode=2007A%2526A...474..653VFUL.
- ↑ 3.0 3.1 3.2 Samus, N. N. et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S 1. Bibcode: 2009yCat....102025S.
- ↑ 4.0 4.1 Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. Bibcode: 1986EgUBV........0M. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?1986EgUBV........0M&db_key=AST&nosetcookie=1.
- ↑ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters 32 (11): 759–771. doi:10.1134/S1063773706110065. Bibcode: 2006AstL...32..759G.
- ↑ Van Belle, G. T.; Thompson, R. R.; Creech-Eakman, M. J. (2002). "Angular Size Measurements of Mira Variable Stars at 2.2 Microns. II". The Astronomical Journal 124 (3): 1706–1715. doi:10.1086/342282. Bibcode: 2002AJ....124.1706V.
- ↑ 7.0 7.1 McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society 427 (1): 343–357. doi:10.1111/j.1365-2966.2012.21873.x. Bibcode: 2012MNRAS.427..343M.
- ↑ Watson, Christopher (4 January 2010). "R Leonis Minoris". AAVSO Website. American Association of Variable Star Observers. http://www.aavso.org/vsx/index.php?view=detail.top&oid=17234. Retrieved 22 July 2014.
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