# Q77842716

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q77842716](https://www.wikidata.org/wiki/Q77842716)  
**Source**: https://4ort.xyz/entity/q77842716


## References

1. SIMBAD
2. Evidence for homogeneous ionization of helium in the local interstellar medium from EUVE spectroscopy of hot DA stars
3. The USNO-B Catalog
4. The Sixth Data Release of the Sloan Digital Sky Survey
5. Gaia Data Release 2
6. Wide binary systems and the nature of high-velocity white dwarfs
7. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission