# Q90984425

> classical Cepheid variable star in the constellation Boötes

**Wikidata**: [Q90984425](https://www.wikidata.org/wiki/Q90984425)  
**Source**: https://4ort.xyz/entity/q90984425


## References

1. SIMBAD
2. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
3. Spectra of type II cepheid candidates and related stars
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Photometry of type II Cepheid candidates from the northern part of the All Sky Automated Survey
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Data Release 2