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SS Virginis

Star in the constellation Virgo

Star in the constellation Virgo

SS Virginis is a semiregular variable star that appears with a strong red hue. It varies in apparent magnitude from a maximum of 6.0 to a minimum of 9.6 over a typical period of 361 days. Max Wolf and Gisela Wolf announced the discovery of this star, from photographs taken at Heidelburg Observatory in 1905. Its spectral class is C63e, indicating that SS Virginis is a carbon star. SS Virginis has a hydrogen-alpha emission line that varies widely, synchronized with the overall variations in light. The line becomes far more prominent as the star becomes brighter. Observations made in the near-infrared spectrum indicate that it has a radius of 500 solar radii, and its temperature is between 2,405 and .

The location of SS Virginis is two degrees north-following of η Virginis.

References

;References

References

  1. "V* SS Vir".
  2. (1905). "New Variable 78.1905 Virginis". Popular Astronomy.
  3. Wilson, Ralph Elmer. (1953). "General catalogue of stellar radial velocities". Carnegie Institute Washington D.C. Publication.
  4. (1 June 2006). "Near-infrared observations of the carbon stars TU Geminorum and SS Virginis at milliarcsecond resolution". [[Astronomy and Astrophysics]].
  5. (2005). "Atlas of Hα emission lines and V light curves of 30 carbon Miras". Astronomical Institute of the Slovak Academy of Sciences.
  6. (2017). "General catalogue of variable stars: Version GCVS 5.1". Astronomy Reports.
  7. {{cite constellation. SS Virginis
  8. "Download Data". AAVSO.
  9. {{cite DR2. 3699854707616227968
  10. (2024). "Transferring spectroscopic stellar labels to 217 million Gaia DR3 XP stars with SHBoost". Astronomy and Astrophysics.
  11. Siderud, Emelie. (2020). "Dust emission modelling of AGB stars".
  12. (2017). "A Catalog of GALEX Ultraviolet Emission from Asymptotic Giant Branch Stars". The Astrophysical Journal.
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