# Q78259974

> quasar in the constellation Hercules

**Wikidata**: [Q78259974](https://www.wikidata.org/wiki/Q78259974)  
**Source**: https://4ort.xyz/entity/q78259974


## References

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