# Q81133128

> astrophysical X-ray source in the constellation Draco

**Wikidata**: [Q81133128](https://www.wikidata.org/wiki/Q81133128)  
**Source**: https://4ort.xyz/entity/q81133128


## References

1. SIMBAD
2. Washington Double Star Catalog
3. Gaia Data Release 2
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Fourth USNO CCD Astrograph Catalog
6. The Tycho double star catalogue
7. Validation of the new Hipparcos reduction
8. Radial velocities of K-M dwarfs and local stellar kinematics
9. WISE All-sky Data Release
10. ROSAT All-Sky Survey Faint Source Catalogue