# AY Virginis

> long period variable

**Wikidata**: [Q92697648](https://www.wikidata.org/wiki/Q92697648)  
**Source**: https://4ort.xyz/entity/ay-virginis


## References

1. SIMBAD
2. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
3. Washington Double Star Catalog
4. Gaia Data Release 3
5. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+, 2007-2017)
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. The Tycho-2 catalogue of the 2.5 million brightest stars
8. The Tycho Reference Catalogue