# Q81505445

> emission-line galaxy in the constellation Ursa Major

**Wikidata**: [Q81505445](https://www.wikidata.org/wiki/Q81505445)  
**Source**: https://4ort.xyz/entity/q81505445


## References

1. SIMBAD
2. Nuclear activity in isolated galaxies
3. The SDSS Photometric Catalog, Release 7
4. The Two Micron All Sky Survey (2MASS)
5. Galaxy groups: a 2MASS catalog
6. The small scatter of the baryonic Tully-Fisher relation