# Q87204984

> hot subdwarf star in the constellation Hercules

**Wikidata**: [Q87204984](https://www.wikidata.org/wiki/Q87204984)  
**Source**: https://4ort.xyz/entity/q87204984


## References

1. SIMBAD
2. The Palomar-Green catalog of ultraviolet-excess stellar objects
3. Revised and updated catalogue of the First Byurakan Survey blue stellar objects
4. The Sixth Data Release of the Sloan Digital Sky Survey
5. Fourth USNO CCD Astrograph Catalog
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. The SDSS Photometric Catalog, Release 9
8. Gaia Data Release 2
9. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission