# Q84220443

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q84220443](https://www.wikidata.org/wiki/Q84220443)  
**Source**: https://4ort.xyz/entity/q84220443


## 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. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission
5. SDSS DR7 white dwarf catalog
6. A photometric selection of white dwarf candidates in Sloan Digital Sky Survey Data Release 10
7. The Sixth Data Release of the Sloan Digital Sky Survey
8. The USNO-B Catalog
9. The SDSS Photometric Catalog, Release 9
10. Gaia Data Release 2
11. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog