# Q77915878

> quasar in the constellation Ursa Major

**Wikidata**: [Q77915878](https://www.wikidata.org/wiki/Q77915878)  
**Source**: https://4ort.xyz/entity/q77915878


## References

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