# Q87804702
**Wikidata**: [Q87804702](https://www.wikidata.org/wiki/Q87804702)  
**Source**: https://4ort.xyz/entity/q87804702


## References

1. SIMBAD
2. Spectra of type II cepheid candidates and related stars
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Second USNO CCD Astrograph Catalog
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Data Release 2
7. ROSAT All-Sky Survey Faint Source Catalogue