# Q84221876

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q84221876](https://www.wikidata.org/wiki/Q84221876)  
**Source**: https://4ort.xyz/entity/q84221876


## References

1. SIMBAD
2. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission
3. A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4
4. A photometric selection of white dwarf candidates in Sloan Digital Sky Survey Data Release 10
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 9
9. Gaia Data Release 2
10. SDSS DR7 white dwarf catalog