# Q80613568

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q80613568](https://www.wikidata.org/wiki/Q80613568)  
**Source**: https://4ort.xyz/entity/q80613568


## References

1. SIMBAD
2. An initial survey of white dwarfs in the Sloan Digital Sky Survey
3. SDSS DR7 white dwarf catalog
4. On the spectral evolution of cool, helium-atmosphere white dwarfs: detailed spectroscopic and photometric analysis of DZ stars
5. The Sixth Data Release of the Sloan Digital Sky Survey
6. The SDSS Photometric Catalog, Release 7
7. Gaia Data Release 2