# Q89856409

> Seyfert 2 galaxy in the constellation Hercules

**Wikidata**: [Q89856409](https://www.wikidata.org/wiki/Q89856409)  
**Source**: https://4ort.xyz/entity/q89856409


## References

1. SIMBAD
2. Galaxy Zoo: a sample of blue early-type galaxies at low redshift
3. Gaia Data Release 2
4. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
5. The SDSS Photometric Catalog, Release 8
6. The Two Micron All Sky Survey (2MASS)
7. A catalog of 1.4 GHz radio sources from the FIRST survey