# Q80720439

> Algol variable in the constellation Orion

**Wikidata**: [Q80720439](https://www.wikidata.org/wiki/Q80720439)  
**Source**: https://4ort.xyz/entity/q80720439


## References

1. SIMBAD
2. The Henry Draper Extension Charts: A catalogue of accurate positions, proper motions, magnitudes and spectral types of 86933 stars
3. Up-to-date linear elements of eclipsing binaries
4. A Comprehensive Catalog of Galactic Eclipsing Binary Stars with Eccentric Orbits Based on Eclipse Timing Diagrams
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. The Tycho-2 catalogue of the 2.5 million brightest stars
7. Gaia Early Data Release 3
8. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
9. Gaia Data Release 2