# X Scuti

> variable star in the constellation Scutum

**Wikidata**: [Q66361290](https://www.wikidata.org/wiki/Q66361290)  
**Source**: https://4ort.xyz/entity/x-scuti


## References

1. SIMBAD
2. General Catalogue of Variable Stars
3. [SIMBAD](http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=X+Sct&submit=SIMBAD+search)
4. Luminous stars in the Southern Milky Way
5. Observational studies of cepheid amplitudes. I. Period-amplitude relationships for galactic cepheids and interrelation of amplitudes
6. Fourth USNO CCD Astrograph Catalog
7. The Tycho-2 catalogue of the 2.5 million brightest stars
8. Period-colour and amplitude-colour relations in classical Cepheid variables - IV. The multiphase relations
9. Gaia Data Release 2
10. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
11. On the α-element gradients of the Galactic thin disk using Cepheids