# 英仙座V440

> variable star in the constellation Perseus

**Wikidata**: [Q14885192](https://www.wikidata.org/wiki/Q14885192)  
**Source**: https://4ort.xyz/entity/q14885192


## References

1. General Catalogue of Variable Stars
2. VizieR
3. The Physical Basis of Luminosity Classification in the Late A-, F-, and Early G-Type Stars. I. Precise Spectral Types for 372 Stars
4. SIMBAD
5. Observational studies of cepheid amplitudes. I. Period-amplitude relationships for galactic cepheids and interrelation of amplitudes
6. Catalog of Galactic OB Stars
7. The Tycho-2 catalogue of the 2.5 million brightest stars
8. Gaia Data Release 2
9. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
10. Barium abundances in Cepheids
11. Catalogue of rotational velocities of the stars
12. A catalogue of stellar rotational velocities