# Q77841277
**Wikidata**: [Q77841277](https://www.wikidata.org/wiki/Q77841277)  
**Source**: https://4ort.xyz/entity/q77841277


## References

1. SIMBAD
2. The massive star binary fraction in young open clusters - II. NGC6611 (Eagle nebula)
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Catalog of Galactic OB Stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Fourth USNO CCD Astrograph Catalog
7. Gaia Data Release 2
8. Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ∼55000 stars and mean radial velocities of 516 Galactic open clusters and associations
9. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
10. The interstellar Ca II distance scale
11. The VLT-FLAMES survey of massive stars: constraints on stellar evolution from the chemical compositions of rapidly rotating Galactic and Magellanic cloud B-type stars