# U Normae

> variable star in the constellation Norma

**Wikidata**: [Q59705396](https://www.wikidata.org/wiki/Q59705396)  
**Source**: https://4ort.xyz/entity/u-normae


## References

1. General Catalogue of Variable Stars
2. Source
3. SIMBAD
4. Observational studies of cepheid amplitudes. I. Period-amplitude relationships for galactic cepheids and interrelation of amplitudes
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. The distribution of the elements in the Galactic disk. II. Azimuthal and radial variation in abundances from Cepheids
8. Barium abundances in Cepheids
9. The distribution of the elements in the galactic disk. III. A reconsideration of Cepheids from l = 30{deg} to 250{deg}
10. Oxygen abundances in Cepheids