# Q77972553

> white dwarf in the constellation Hercules

**Wikidata**: [Q77972553](https://www.wikidata.org/wiki/Q77972553)  
**Source**: https://4ort.xyz/entity/q77972553


## References

1. SIMBAD
2. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10
3. The SDSS Photometric Catalog, Release 7
4. Gaia Data Release 2
5. The Milky Way's circular velocity curve to 60 kpc and an estimate of the dark matter halo mass from the kinematics of ~2400 SDSS blue horizontal-branch stars