# Q77477064

> quasar in the constellation Hercules

**Wikidata**: [Q77477064](https://www.wikidata.org/wiki/Q77477064)  
**Source**: https://4ort.xyz/entity/q77477064


## References

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