S Virginis

S Virginis

The visual band light curve of S Virginis, from AAVSO data
Observation data
Epoch J2000      Equinox ICRS
Constellation Virgo
Right ascension 13h 33m 00.1103s
Declination −07° 11′ 41.039″
Apparent magnitude (V) 6.3 - 13.2
Characteristics
Evolutionary stage AGB
Spectral type M6IIIe-M9.5e
U−B color index +2.1
B−V color index +0.74
Variable type Mira
Astrometry
Radial velocity (Rv)9.60 km/s
Proper motion (μ) RA: −16.813±0.680 mas/yr
Dec.: 3.010±0.537 mas/yr
Parallax (π)1.3709±0.3737 mas
Distanceapprox. 2,400 ly
(approx. 700 pc)
Details
Mass3.6 M☉
Radius435 R☉
Luminosity38.174 L☉
Surface gravity (log g)2.29 cgs
Temperature3,283 K
Metallicity [Fe/H]−0.24 dex
Other designations
S Virginis, BD−06°3837, HIP 66100, GC 18312, HR 5101, AAVSO 1327-06, GCRV 8027, SAO 139403, HD 117833
Database references
SIMBADdata

S Virginis is a Mira-type variable star in the constellation Virgo. Located approximately 700 parsecs (2,300 ly) distant, it varies between magnitudes 6.3 and 13.2 over a period of approximately 375 days. John Russell Hind announced the discovery this star in 1852.

References

  1. ↑ "Download Data". aavso.org. AAVSO. Retrieved 1 October 2021.
  2. ↑ 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.
  3. 1 2 3 4 5 6 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.
  4. 1 2 3 4 VSX (4 January 2010). "S Virginis". AAVSO Website. American Association of Variable Star Observers. Retrieved 27 June 2014.
  5. ↑ 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)
  6. 1 2 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.
  7. ↑ 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.
  8. 1 2 3 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.
  9. ↑ 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.
  10. ↑ 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.
  11. ↑ 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.
  12. ↑ "S Virginis". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2025-05-05.
  13. ↑ 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. Retrieved 17 August 2025.