# BL Geminorum

> long period variable

**Wikidata**: [Q89137822](https://www.wikidata.org/wiki/Q89137822)  
**Source**: https://4ort.xyz/entity/bl-geminorum


## References

1. SIMBAD
2. General Catalogue of Variable Stars, 3rd ed.
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Early Data Release 3
6. Gaia Data Release 2