# Q81231069

> white dwarf in the constellation Draco

**Wikidata**: [Q81231069](https://www.wikidata.org/wiki/Q81231069)  
**Source**: https://4ort.xyz/entity/q81231069


## References

1. SIMBAD
2. Toward a spectroscopic census of white dwarfs within 40 pc of the Sun
3. Physical properties of the current census of northern white dwarfs within 40 pc of the Sun
4. The USNO-B Catalog
5. The SDSS Photometric Catalog, Release 7
6. The SDSS Photometric Catalog, Release 9
7. Gaia Data Release 2
8. Ultracool white dwarfs and the age of the Galactic disc