# Q81852041

> Seyfert 1 galaxy in the constellation Leo

**Wikidata**: [Q81852041](https://www.wikidata.org/wiki/Q81852041)  
**Source**: https://4ort.xyz/entity/q81852041


## References

1. SIMBAD
2. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
3. The Sloan Digital Sky Survey quasar catalog. V. Seventh data release
4. A catalogue of quasars and active nuclei: 13th edition
5. The SDSS Photometric Catalog, Release 9
6. Gaia Data Release 2