# V525 Hydrae

> RR Lyrae variable star in the constellation Hydra

**Wikidata**: [Q87055018](https://www.wikidata.org/wiki/Q87055018)  
**Source**: https://4ort.xyz/entity/v525-hydrae


## References

1. SIMBAD
2. Gaia Data Release 3
3. Newly discovered RR Lyrae stars in the SDSS-Pan-STARRS1-Catalina footprint
4. Machine-learned Identification of RR Lyrae Stars from Sparse, Multi-band Data: The PS1 Sample
5. Probing the outer galactic halo with RR Lyrae from the Catalina surveys
6. Exploring the variable sky with LINEAR. III. Classification of periodic light curves
7. Exploring the variable sky with LINEAR. II. Halo structure and substructure traced by RR Lyrae stars to 30 kpc
8. The QUEST RR Lyrae Survey. I. The First Catalog
9. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
10. The SDSS Photometric Catalog, Release 7
11. The seventh data release of the Sloan Digital Sky Survey
12. Gaia Early Data Release 3
13. On the Use of Field RR Lyrae as Galactic Probes. III. The α-element Abundances
14. Gaia Data Release 2
15. On the Use of Field RR Lyrae as Galactic Probes. II. A New ΔS Calibration to Estimate Their Metallicity