# Q87145687

> Algol variable in the constellation Ophiuchus

**Wikidata**: [Q87145687](https://www.wikidata.org/wiki/Q87145687)  
**Source**: https://4ort.xyz/entity/q87145687


## References

1. SIMBAD
2. MK classifications of some northern hemisphere binary systems
3. Up-to-date linear elements of eclipsing binaries
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Early Data Release 3
7. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
8. Gaia Data Release 2