# RY Hydrae

> carbon star in the constellation Hydra

**Wikidata**: [Q85754501](https://www.wikidata.org/wiki/Q85754501)  
**Source**: https://4ort.xyz/entity/ry-hydrae


## References

1. SIMBAD
2. NSCC--A new scheme of classification of c-rich stars devised from optical and infrared observations
3. Gaia Data Release 3
4. Determination of pulsation periods and other parameters of 2875 stars classified as Mira in the All Sky Automated Survey (ASAS)
5. Catalogue of Stellar Photometry in Johnson's 11-color system
6. Gaia Early Data Release 3
7. General Catalogue of Stellar Radial Velocities
8. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
9. The radial velocities of the stars of spectral classes R and N
10. Radial velocities of 283 stars of spectral classes R and N
11. Gaia Data Release 2