# Q81909603

> white dwarf in the constellation Coma Berenices

**Wikidata**: [Q81909603](https://www.wikidata.org/wiki/Q81909603)  
**Source**: https://4ort.xyz/entity/q81909603


## References

1. SIMBAD
2. SDSS DR7 white dwarf catalog
3. Washington Double Star Catalog
4. The SDSS Photometric Catalog, Release 8
5. Gaia Data Release 2
6. Constraints on the initial-final mass relation from wide double white dwarfs