# SN 1990ag

> supernova

**Wikidata**: [Q9327017](https://www.wikidata.org/wiki/Q9327017)  
**Source**: https://4ort.xyz/entity/q9327017


## References

1. SIMBAD
2. VizieR
3. Asiago Supernova Catalogue
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Third U.S. Naval Observatory CCD Astrograph Catalog (UCAC3)
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. The Canarias database of nearby type II supernovae