# Q77911802

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q77911802](https://www.wikidata.org/wiki/Q77911802)  
**Source**: https://4ort.xyz/entity/q77911802


## References

1. SIMBAD
2. SDSS DR7 white dwarf catalog
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. The Sixth Data Release of the Sloan Digital Sky Survey
6. The USNO-B Catalog
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. The SDSS Photometric Catalog, Release 7
9. Gaia Data Release 2
10. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog