# Q81823897

> Seyfert 2 galaxy in the constellation Hercules

**Wikidata**: [Q81823897](https://www.wikidata.org/wiki/Q81823897)  
**Source**: https://4ort.xyz/entity/q81823897


## References

1. SIMBAD
2. Galaxy Zoo: passive red spirals
3. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
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