# Q89058533

> quasar in the constellation Leo

**Wikidata**: [Q89058533](https://www.wikidata.org/wiki/Q89058533)  
**Source**: https://4ort.xyz/entity/q89058533


## 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 SDSS Photometric Catalog, Release 7
6. The Sloan Digital Sky Survey quasar catalog. V. Seventh data release
7. Gaia Data Release 2