# Q91023445

> quasar in the constellation Ursa Major

**Wikidata**: [Q91023445](https://www.wikidata.org/wiki/Q91023445)  
**Source**: https://4ort.xyz/entity/q91023445


## References

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