# Q78439107

> Seyfert 2 galaxy in the constellation Boötes

**Wikidata**: [Q78439107](https://www.wikidata.org/wiki/Q78439107)  
**Source**: https://4ort.xyz/entity/q78439107


## References

1. SIMBAD
2. Evidence for X-ray obscuration in Type II quasar candidates from the Sloan Digital Sky Survey
3. The SDSS Photometric Catalog, Release 8
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. A catalogue of quasars and active nuclei: 13th edition
6. Gaia Data Release 2
7. The SDSS Photometric Catalog, Release 9