# Q87878121

> hot subdwarf star in the constellation Hercules

**Wikidata**: [Q87878121](https://www.wikidata.org/wiki/Q87878121)  
**Source**: https://4ort.xyz/entity/q87878121


## References

1. SIMBAD
2. Hot subdwarfs from the ESO supernova Ia progenitor survey. II. Atmospheric parameters of subdwarf O stars
3. Fourth USNO CCD Astrograph Catalog
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. The SDSS Photometric Catalog, Release 9
6. Gaia Data Release 2
7. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission