# Q84232393

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q84232393](https://www.wikidata.org/wiki/Q84232393)  
**Source**: https://4ort.xyz/entity/q84232393


## References

1. SIMBAD
2. A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4
3. A catalog of spectroscopically identified white dwarf stars in the first data release of the Sloan Digital Sky Survey
4. SDSS DR7 white dwarf catalog
5. On the spectral evolution of cool, helium-atmosphere white dwarfs: detailed spectroscopic and photometric analysis of DZ stars
6. The Sixth Data Release of the Sloan Digital Sky Survey
7. The USNO-B Catalog
8. The SDSS Photometric Catalog, Release 7
9. Gaia Data Release 2