# Q78540255

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q78540255](https://www.wikidata.org/wiki/Q78540255)  
**Source**: https://4ort.xyz/entity/q78540255


## References

1. SIMBAD
2. SDSS DR7 white dwarf catalog
3. A photometric selection of white dwarf candidates in Sloan Digital Sky Survey Data Release 10
4. The SDSS Photometric Catalog, Release 9
5. Gaia Data Release 2