# Q77921418

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q77921418](https://www.wikidata.org/wiki/Q77921418)  
**Source**: https://4ort.xyz/entity/q77921418


## References

1. SIMBAD
2. SDSS DR7 white dwarf catalog
3. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission
4. Gaia Data Release 2