R Leonis Minoris
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Leo Minor |
| Right ascension | 09h 45m 34.28405s[2] |
| Declination | +34° 30′ 42.8091″[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: +1.657 mas/yr[2] Dec.: −1.734 mas/yr[2] |
| Parallax (π) | 3.496 ± 0.142 mas[6] |
| Distance | 930 ± 40 ly (290 ± 10 pc) |
| Details | |
| Radius | 348 – 411[6] R☉ |
| Luminosity | 5,288+348 −327[6] L☉ |
| Surface gravity (log g) | −0.65 to −0.61[6] cgs |
| Temperature | 2,730[6] 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.[7]
References
[edit]- ^ "Download Data". aavso.org. AAVSO. Retrieved 1 October 2021.
- ^ a b c Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ a b c Samus, N. N.; Durlevich, O. V.; 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.
- ^ 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 "Compilation of Eggen's UBV data, transformed to UBV (unpublished)".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.
- ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. S2CID 119231169.
- ^ a b c d e Béguin, E.; Chiavassa, A.; Ahmad, A.; Freytag, B.; Uttenthaler, S. (2024-10-01). "Retrieving stellar parameters and dynamics of AGB stars with Gaia parallax measurements and CO5BOLD RHD simulations". Astronomy & Astrophysics. 690: A125. arXiv:2409.03422. doi:10.1051/0004-6361/202450245. ISSN 0004-6361.
- ^ Watson, Christopher (4 January 2010). "R Leonis Minoris". AAVSO Website. American Association of Variable Star Observers. Retrieved 22 July 2014.
 | This variable star–related article is a stub. You can help Wikipedia by expanding it. |