# V681 Herculis

> eclipsing binary star

**Wikidata**: [Q90844743](https://www.wikidata.org/wiki/Q90844743)  
**Source**: https://4ort.xyz/entity/v681-herculis


## References

1. SIMBAD
2. VizieR
3. ROTSE all-sky surveys for variable stars. I. Test fields
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Fourth USNO CCD Astrograph Catalog
6. Gaia Early Data Release 3
7. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
8. Gaia Data Release 2