# DT Hydrae

> RR Lyrae variable star in the constellation Hydra

**Wikidata**: [Q93809439](https://www.wikidata.org/wiki/Q93809439)  
**Source**: https://4ort.xyz/entity/dt-hydrae


## References

1. SIMBAD
2. A southern objective prism survey
3. Gaia Data Release 3
4. Discovery of ~9,000 new RR Lyrae in the southern Catalina surveys
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Early Data Release 3
8. Source
9. On the Use of Field RR Lyrae as Galactic Probes. III. The α-element Abundances