# Q81809262

> quasar in the constellation Leo

**Wikidata**: [Q81809262](https://www.wikidata.org/wiki/Q81809262)  
**Source**: https://4ort.xyz/entity/q81809262


## References

1. SIMBAD
2. A strong redshift dependence of the broad absorption line quasar fraction
3. A catalogue of quasars and active nuclei: 13th edition
4. The Third Data Release of the Sloan Digital Sky Survey
5. The SDSS Photometric Catalog, Release 7
6. Gaia Data Release 2