# Q77909440

> hot subdwarf star in the constellation Ursa Major

**Wikidata**: [Q77909440](https://www.wikidata.org/wiki/Q77909440)  
**Source**: https://4ort.xyz/entity/q77909440


## References

1. SIMBAD
2. The Palomar-Green catalog of ultraviolet-excess stellar objects
3. Spectral classification of stars in the Second Byurakan Sky Survey. I
4. Hot subdwarf stars observed in LAMOST DR1--Atmospheric parameters from single-lined spectra
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. The SDSS Photometric Catalog, Release 9
7. Gaia Data Release 2