# Q94054734

> blue straggler in the constellation Cygnus

**Wikidata**: [Q94054734](https://www.wikidata.org/wiki/Q94054734)  
**Source**: https://4ort.xyz/entity/q94054734


## References

1. SIMBAD
2. Rotation and differential rotation of active Kepler stars
3. WIYN open cluster study LII: wide-field CCD photometry of the old open cluster NGC 6819
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Data Release 2
6. Spectroscopic abundances in the open cluster NGC 6819