# Q87451787

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q87451787](https://www.wikidata.org/wiki/Q87451787)  
**Source**: https://4ort.xyz/entity/q87451787


## References

1. SIMBAD
2. Spectral classification of stars in the Second Byurakan Sky Survey. II
3. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission
4. A photometric selection of white dwarf candidates in Sloan Digital Sky Survey Data Release 10
5. The SDSS Photometric Catalog, Release 9
6. Gaia Data Release 2
7. DB white dwarfs in the Sloan Digital Sky Survey data release 10 and 12
8. SDSS DR7 white dwarf catalog