# Q66552529

> astrophysical X-ray source in the constellation Scorpius

**Wikidata**: [Q66552529](https://www.wikidata.org/wiki/Q66552529)  
**Source**: https://4ort.xyz/entity/q66552529


## References

1. SIMBAD
2. Washington Double Star Catalog
3. Catalogue of two dimentional spectral types for the HD stars, Vol. 2
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Validation of the new Hipparcos reduction
7. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
8. Faint X-ray sources resolved in the ASCA galactic plane survey and their contribution to the galactic ridge X-ray emission
9. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)