# Q77917477

> quasar in the constellation Ursa Major

**Wikidata**: [Q77917477](https://www.wikidata.org/wiki/Q77917477)  
**Source**: https://4ort.xyz/entity/q77917477


## References

1. SIMBAD
2. The SDSS Photometric Catalog, Release 9
3. A catalogue of quasars and active nuclei: 13th edition
4. The Sloan Digital Sky Survey quasar catalog. V. Seventh data release
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