# 7 Vulpeculae

> binary star system in the constellation Vulpecula

**Wikidata**: [Q4643888](https://www.wikidata.org/wiki/Q4643888)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/7_Vulpeculae)  
**Source**: https://4ort.xyz/entity/7-vulpeculae


## References

1. On the nature of the Be star HR 7409 (7 Vul)
2. SIMBAD
3. [Source](https://dx.doi.org/10.1051/0004-6361/202037964)
4. The kinematics of the Gould belt: an expanding group ?
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Early Data Release 3
8. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
9. Rotational Velocities of B Stars
10. Gaia Data Release 2