# Q93475019

> classical Cepheid variable star in the constellation Crux

**Wikidata**: [Q93475019](https://www.wikidata.org/wiki/Q93475019)  
**Source**: https://4ort.xyz/entity/q93475019


## References

1. SIMBAD
2. Source
3. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
4. Gaia Data Release 2
5. Observational studies of cepheid amplitudes. I. Period-amplitude relationships for galactic cepheids and interrelation of amplitudes
6. The first INTEGRAL-OMC catalogue of optically variable sources
7. Reclassification of Cepheids in the Gaia Data Release 2. Period-luminosity and period-Wesenheit relations in the Gaia passbands
8. A three-dimensional map of the Milky Way using classical Cepheid variable stars
9. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
10. Fourth USNO CCD Astrograph Catalog
11. Period-colour and amplitude-colour relations in classical Cepheid variables - IV. The multiphase relations
12. Gaia Early Data Release 3
13. The distribution of the elements in the Galactic disk. II. Azimuthal and radial variation in abundances from Cepheids
14. Barium abundances in Cepheids
15. Oxygen abundances in Cepheids
16. The distribution of the elements in the galactic disk. III. A reconsideration of Cepheids from l = 30{deg} to 250{deg}