# Q81813901

> hot subdwarf star in the constellation Leo

**Wikidata**: [Q81813901](https://www.wikidata.org/wiki/Q81813901)  
**Source**: https://4ort.xyz/entity/q81813901


## References

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