# Q89782883

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q89782883](https://www.wikidata.org/wiki/Q89782883)  
**Source**: https://4ort.xyz/entity/q89782883


## References

1. SIMBAD
2. A detailed model atmosphere analysis of cool white dwarfs in the Sloan Digital Sky Survey
3. Additional ultracool white dwarfs found in the Sloan Digital Sky Survey
4. The SDSS Photometric Catalog, Release 6
5. The SDSS Photometric Catalog, Release 7
6. The USNO-B Catalog
7. Gaia Data Release 2