# Q87143566

> Seyfert 1 galaxy in the constellation Canes Venatici

**Wikidata**: [Q87143566](https://www.wikidata.org/wiki/Q87143566)  
**Source**: https://4ort.xyz/entity/q87143566


## References

1. SIMBAD
2. Constraint on the time variation of the fine-structure constant with the SDSS-III/BOSS DR12 quasar sample
3. The Sloan Digital Sky Survey quasar catalog. V. Seventh data release
4. The SDSS Photometric Catalog, Release 9
5. Gaia Data Release 2