# Q84459987

> quasar in the constellation Hercules

**Wikidata**: [Q84459987](https://www.wikidata.org/wiki/Q84459987)  
**Source**: https://4ort.xyz/entity/q84459987


## 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. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
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