# Q78260660

> Seyfert 1 galaxy in the constellation Hercules

**Wikidata**: [Q78260660](https://www.wikidata.org/wiki/Q78260660)  
**Source**: https://4ort.xyz/entity/q78260660


## References

1. SIMBAD
2. Galaxy evolution in the mid-infrared green valley: a case of the A2199 supercluster
3. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
4. The eleventh and twelfth data releases of the Sloan Digital Sky Survey: final data from SDSS-III
5. A catalogue of quasars and active nuclei: 13th edition
6. The SDSS Photometric Catalog, Release 8
7. The Two Micron All Sky Survey (2MASS)
8. Gaia Data Release 2
9. The SDSS Photometric Catalog, Release 9