# Q78550554

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q78550554](https://www.wikidata.org/wiki/Q78550554)  
**Source**: https://4ort.xyz/entity/q78550554


## References

1. SIMBAD
2. New DQ white dwarfs in the Sloan Digital Sky Survey DR4: confirmation of two sequences
3. SDSS DR7 white dwarf catalog
4. A photometric selection of white dwarf candidates in Sloan Digital Sky Survey Data Release 10
5. The USNO-B Catalog
6. The Sixth Data Release of the Sloan Digital Sky Survey
7. The SDSS Photometric Catalog, Release 9
8. Gaia Data Release 2