# Q93508578

> quasar in the constellation Libra

**Wikidata**: [Q93508578](https://www.wikidata.org/wiki/Q93508578)  
**Source**: https://4ort.xyz/entity/q93508578


## References

1. SIMBAD
2. The Sloan Digital Sky Survey Quasar Catalog: Fourteenth data release
3. The Sloan Digital Sky Survey Quasar Catalog. II. First Data Release
4. A catalogue of quasars and active nuclei: 13th edition
5. The SDSS Photometric Catalog, Release 9
6. USNO-A2.0
7. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission
8. The SDSS Photometric Catalog, Release 7
9. Gaia Data Release 2