# Q90540729

> Seyfert 1 galaxy in the constellation Canis Major

**Wikidata**: [Q90540729](https://www.wikidata.org/wiki/Q90540729)  
**Source**: https://4ort.xyz/entity/q90540729


## References

1. SIMBAD
2. Search and redshift survey for IRAS galaxies behind the Northern Milky Way
3. The Two Micron All Sky Survey (2MASS)
4. Gaia Data Release 2
5. ROSAT All-Sky Survey observations of IRAS galaxies. I. Soft X-ray and far-infrared properties
6. Galaxy groups: a 2MASS catalog