# HD 4539

> hot subdwarf star in the constellation Pisces

**Wikidata**: [Q85779892](https://www.wikidata.org/wiki/Q85779892)  
**Source**: https://4ort.xyz/entity/q85779892


## References

1. SIMBAD
2. A quantitative description of the spectra of the brighter Feige stars
3. A selection of hot subluminous stars in the GALEX survey -- II. Subdwarf atmospheric parameters
4. Atmospheric parameters of field subdwarf B stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Catalog of Galactic OB Stars
7. Gaia Data Release 2
8. A search for stars with strong magnetic fields among horizontal-branch stars and hot subdwarfs
9. The atmospheric parameters and spectral interpolator for the MILES stars