# Q89415493

> Seyfert 1 galaxy in the constellation Ursa Major

**Wikidata**: [Q89415493](https://www.wikidata.org/wiki/Q89415493)  
**Source**: https://4ort.xyz/entity/q89415493


## References

1. SIMBAD
2. A catalog of visually classified galaxies in the local (z ~ 0.01) universe
3. The eleventh and twelfth data releases of the Sloan Digital Sky Survey: final data from SDSS-III
4. The SDSS Photometric Catalog, Release 7
5. The Two Micron All Sky Survey (2MASS)
6. Gaia Data Release 2
7. Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003