# Q81922156

> white dwarf in the constellation Ursa Major

**Wikidata**: [Q81922156](https://www.wikidata.org/wiki/Q81922156)  
**Source**: https://4ort.xyz/entity/q81922156


## References

1. SIMBAD
2. Spectroscopy of stellar-like objects contained in the second Byurakan survey. I
3. Spectral classification of stars in the Second Byurakan Sky Survey. I
4. Spectroscopy and Photometry of Stellar Objects from the Second Byurakan Survey
5. The Second Byurakan Survey. General Catalogue
6. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission
7. Gaia Data Release 2
8. DB white dwarfs in the Sloan Digital Sky Survey data release 10 and 12