# V817 Herculis

> white dwarf in the constellation Hercules

**Wikidata**: [Q78255639](https://www.wikidata.org/wiki/Q78255639)  
**Source**: https://4ort.xyz/entity/v817-herculis


## References

1. SIMBAD
2. SDSS DR7 white dwarf catalog
3. The Palomar-Green catalog of ultraviolet-excess stellar objects
4. White dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 14
5. The SDSS Photometric Catalog, Release 9
6. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
7. Gaia Early Data Release 3
8. Gaia Data Release 2