# GM Hydrae

> Algol variable in the constellation Hydra

**Wikidata**: [Q89704674](https://www.wikidata.org/wiki/Q89704674)  
**Source**: https://4ort.xyz/entity/gm-hydrae


## References

1. SIMBAD
2. Gaia Data Release 3
3. General Catalogue of Variable Stars, 3rd ed.
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Gaia Early Data Release 3
7. Physical properties and evolutionary states of EA-type eclipsing binaries observed by LAMOST
8. Gaia Data Release 2