# Q84225767

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q84225767](https://www.wikidata.org/wiki/Q84225767)  
**Source**: https://4ort.xyz/entity/q84225767


## References

1. SIMBAD
2. SDSS DR7 white dwarf catalog
3. Gaia Data Release 2
4. The USNO-B Catalog
5. The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog
6. Constraints on the initial-final mass relation from wide double white dwarfs