# Q89503130

> quasar in the constellation Ursa Major

**Wikidata**: [Q89503130](https://www.wikidata.org/wiki/Q89503130)  
**Source**: https://4ort.xyz/entity/q89503130


## References

1. SIMBAD
2. The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release
3. The SDSS Photometric Catalog, Release 9
4. A catalogue of quasars and active nuclei: 13th edition
5. The SDSS Photometric Catalog, Release 7
6. Gaia Data Release 2
7. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission