# Q87988912

> Algol variable in the constellation Ophiuchus

**Wikidata**: [Q87988912](https://www.wikidata.org/wiki/Q87988912)  
**Source**: https://4ort.xyz/entity/q87988912


## References

1. SIMBAD
2. A study of the distribution of the stars in the Sagittarius and Ophiuchius regions of the Milky Way
3. The Henry Draper Extension Charts: A catalogue of accurate positions, proper motions, magnitudes and spectral types of 86933 stars
4. General Catalogue of Variable Stars, 3rd ed.
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 Data Release 2
8. The Galactic Bulge Survey: outline and X-ray observations