Astronomy:S Virginis
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Short description: Variable star in the constellation Virgo
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| 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[3] mas |
| 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 | |
| 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] John Russell Hind announced the discovery this star in 1852.[13]
References
- ↑ "Download Data". AAVSO. https://www.aavso.org/data-download.
- ↑ Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific 99 (617): 695. doi:10.1086/132034. Bibcode: 1987PASP...99..695R Constellation record for this object at VizieR.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode: 2018A&A...616A...1G. Gaia DR2 record for this source at VizieR.
- ↑ 4.0 4.1 4.2 4.3 VSX (4 January 2010). "S Virginis". AAVSO Website. American Association of Variable Star Observers. http://www.aavso.org/vsx/index.php?view=detail.top&oid=37810.
- ↑ 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. doi:10.3847/1538-4357/aa704d. Bibcode: 2017ApJ...841...33M.
- ↑ 6.0 6.1 Paunzen, E. (2022). "Catalogue of stars measured in the Geneva seven-colour photometric system". Astronomy and Astrophysics 661: A89. doi:10.1051/0004-6361/202142355. Bibcode: 2022A&A...661A..89P.
- ↑ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters 32 (11): 759. doi:10.1134/S1063773706110065. Bibcode: 2006AstL...32..759G.
- ↑ 8.0 8.1 8.2 Khalatyan, A.; Anders, F.; Chiappini, C.; Queiroz, A. B. A.; Nepal, S.; Dal Ponte, M.; Jordi, C.; Guiglion, G. et al. (2024). "Transferring spectroscopic stellar labels to 217 million Gaia DR3 XP stars with SHBoost". Astronomy and Astrophysics 691: A98. doi:10.1051/0004-6361/202451427. Bibcode: 2024A&A...691A..98K.
- ↑ 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. doi:10.1051/0004-6361/202142146. Bibcode: 2022A&A...657A...7K.
- ↑ 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. doi:10.3847/0004-6256/151/3/59. Bibcode: 2016AJ....151...59C.
- ↑ Tonry, J. L.; Denneau, L.; Flewelling, H.; Heinze, A. N.; Onken, C. A.; Smartt, S. J.; Stalder, B.; Weiland, H. J. et al. (2018). "The ATLAS All-Sky Stellar Reference Catalog". The Astrophysical Journal 867 (2): 105. doi:10.3847/1538-4357/aae386. Bibcode: 2018ApJ...867..105T.
- ↑ "S Virginis". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=S+Virginis.
- ↑ Hind, J. R. (December 1852). "List of Variable Stars detected by Mr. Hind rith their Approximate Places for the year 1850". Monthly Notices of the Royal Astronomical Society 13: 33. https://articles.adsabs.harvard.edu/pdf/1852MNRAS..13...33H. Retrieved 17 August 2025.
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