# Q81920330

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q81920330](https://www.wikidata.org/wiki/Q81920330)  
**Source**: https://4ort.xyz/entity/q81920330


## References

1. SIMBAD
2. SDSS DR7 white dwarf catalog
3. Innocent bystanders: carbon stars from the Sloan Digital Sky Survey
4. The SDSS Photometric Catalog, Release 9
5. The Sixth Data Release of the Sloan Digital Sky Survey
6. Gaia Data Release 2