# Q83318444

> astrophysical X-ray source in the constellation Hydra

**Wikidata**: [Q83318444](https://www.wikidata.org/wiki/Q83318444)  
**Source**: https://4ort.xyz/entity/q83318444


## References

1. SIMBAD
2. Washington Double Star Catalog
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Fourth USNO CCD Astrograph Catalog
5. The General Catalogue of Trigonometric Stellar Parallaxes, Fourth Edition
6. Radial velocities of K-M dwarfs and local stellar kinematics
7. ROSAT All-Sky Survey Faint Source Catalogue