S Virginis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Virgo[2] |
| Right ascension | 13h 33m 00.1103s[3] |
| Declination | −07° 11′ 41.0387″[3] |
| Apparent magnitude (V) | 6.3 - 13.2[4] |
| Characteristics | |
| Evolutionary stage | AGB[5] |
| Spectral type | M6IIIe-M9.5e[4] |
| U−B color index | +2.1[6] |
| B−V color index | +0.74[6] |
| Variable type | Mira[4] |
| Astrometry | |
| Radial velocity (Rv) | 9.60[7] km/s |
| Proper motion (μ) | RA: −16.813±0.680[3] mas/yr Dec.: 3.010±0.537[3] mas/yr |
| Parallax (π) | 1.3709±0.3737 mas[3] |
| Distance | approx. 2,400 ly (approx. 700 pc) |
| Details | |
| Mass | 3.6[8] M☉ |
| Radius | 435[9] R☉ |
| Luminosity | 38.174[10] L☉ |
| Surface gravity (log g) | 2.29[8] cgs |
| Temperature | 3,283[11] K |
| Metallicity [Fe/H] | −0.24[8] dex |
| Other designations | |
| S Virginis, BD−06°3837, HIP 66100, GC 18312, HR 5101, AAVSO 1327-06, GCRV 8027, SAO 139403, HD 117833[12] | |
| Database references | |
| SIMBAD | data |
S Virginis is a Mira-type variable star in the constellation Virgo. Located approximately 700 parsecs (2,300 ly) distant,[3] it varies between magnitudes 6.3 and 13.2 over a period of approximately 375 days.[4]
References
[edit]- ^ "Download Data". aavso.org. AAVSO. Retrieved 1 October 2021.
- ^ Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific. 99 (617): 695. Bibcode:1987PASP...99..695R. doi:10.1086/132034. Constellation record for this object at VizieR.
- ^ a b c d e f Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- ^ a b c d VSX (4 January 2010). "S Virginis". AAVSO Website. American Association of Variable Star Observers. Retrieved 27 June 2014.
- ^ Montez, Rodolfo, Jr.; Ramstedt, Sofia; Kastner, Joel H.; Vlemmings, Wouter; Sanchez, Enmanuel (2017). "A Catalog of GALEX Ultraviolet Emission from Asymptotic Giant Branch Stars". The Astrophysical Journal. 841 (1): 33. arXiv:1705.05371. Bibcode:2017ApJ...841...33M. doi:10.3847/1538-4357/aa704d.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ a b Paunzen, E. (2022). "Catalogue of stars measured in the Geneva seven-colour photometric system". Astronomy and Astrophysics. 661: A89. arXiv:2111.04810. Bibcode:2022A&A...661A..89P. doi:10.1051/0004-6361/202142355.
- ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
- ^ a b c Khalatyan, A.; Anders, F.; Chiappini, C.; Queiroz, A. B. A.; Nepal, S.; Dal Ponte, M.; Jordi, C.; Guiglion, G.; Valentini, M.; Torralba Elipe, G.; Steinmetz, M.; Pantaleoni-González, M.; Malhotra, S.; Jiménez-Arranz, Ó.; Enke, H.; Casamiquela, L.; Ardèvol, J. (2024). "Transferring spectroscopic stellar labels to 217 million Gaia DR3 XP stars with SHBoost". Astronomy and Astrophysics. 691: A98. arXiv:2407.06963. Bibcode:2024A&A...691A..98K. doi:10.1051/0004-6361/202451427.
- ^ Kervella, Pierre; Arenou, Frédéric; Thévenin, Frédéric (2022). "Stellar and substellar companions from Gaia EDR3. Proper-motion anomaly and resolved common proper-motion pairs". Astronomy and Astrophysics. 657. arXiv:2109.10912. Bibcode:2022A&A...657A...7K. doi:10.1051/0004-6361/202142146.
- ^ Chandler, Colin Orion; McDonald, Iain; Kane, Stephen R. (2016). "The Catalog of Earth-Like Exoplanet Survey Targets (CELESTA): A Database of Habitable Zones Around Nearby Stars". The Astronomical Journal. 151 (3): 59. arXiv:1510.05666. Bibcode:2016AJ....151...59C. doi:10.3847/0004-6256/151/3/59.
- ^ Tonry, J. L.; Denneau, L.; Flewelling, H.; Heinze, A. N.; Onken, C. A.; Smartt, S. J.; Stalder, B.; Weiland, H. J.; Wolf, C. (2018). "The ATLAS All-Sky Stellar Reference Catalog". The Astrophysical Journal. 867 (2): 105. arXiv:1809.09157. Bibcode:2018ApJ...867..105T. doi:10.3847/1538-4357/aae386.
- ^ "S Virginis". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2025-05-05.
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