# BK Herculis

> Mira variable star in the constellation Hercules

**Wikidata**: [Q86660113](https://www.wikidata.org/wiki/Q86660113)  
**Source**: https://4ort.xyz/entity/bk-herculis


## References

1. SIMBAD
2. Revised and updated catalogue of the First Byurakan Survey of late-type stars
3. Determination of pulsation periods and other parameters of 2875 stars classified as Mira in the All Sky Automated Survey (ASAS)
4. Long-period High-amplitude Red Variables in the KELT Survey
5. Fourth USNO CCD Astrograph Catalog
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Early Data Release 3
8. Kinematics of the Mira variables
9. Gaia Data Release 2