# 8 Crateris

> binary star system in the constellation Hydra

**Wikidata**: [Q15940812](https://www.wikidata.org/wiki/Q15940812)  
**Source**: https://4ort.xyz/entity/8-crateris


## References

1. [Source](https://arxiv.org/pdf/1907.04800.pdf)
2. SIMBAD
3. Source
4. Gaia Data Release 3
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Early Data Release 3
8. Gaia Data Release 2
9. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i