# Q77406050

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q77406050](https://www.wikidata.org/wiki/Q77406050)  
**Source**: https://4ort.xyz/entity/q77406050


## References

1. SIMBAD
2. Constraining the age-activity relation for cool stars: the Sloan Digital Sky Survey Data Release 5 low-mass star spectroscopic sample
3. The Fifth Data Release of the Sloan Digital Sky Survey
4. Gaia Data Release 2