# Q78269858

> active galactic nucleus in the constellation Hercules

**Wikidata**: [Q78269858](https://www.wikidata.org/wiki/Q78269858)  
**Source**: https://4ort.xyz/entity/q78269858


## References

1. SIMBAD
2. Galaxy evolution in the mid-infrared green valley: a case of the A2199 supercluster
3. UV to Far-IR catalog of a galaxy sample in nearby clusters: spectral energy distributions and environmental trends
4. The SDSS Photometric Catalog, Release 8
5. The Two Micron All Sky Survey (2MASS)
6. Gaia Data Release 2
7. The SDSS Photometric Catalog, Release 7