# Q81811691

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q81811691](https://www.wikidata.org/wiki/Q81811691)  
**Source**: https://4ort.xyz/entity/q81811691


## References

1. SIMBAD
2. A spectroscopic search for chemically stratified white dwarfs in the Sloan Digital Sky Survey
3. The SDSS Photometric Catalog, Release 9
4. Gaia Data Release 2