# Epsilon2 Lyrae

> binary star in the constellation Lyra

**Wikidata**: [Q75821643](https://www.wikidata.org/wiki/Q75821643)  
**Source**: https://4ort.xyz/entity/q75821643


## References

1. Washington Double Star Catalog
2. SIMBAD
3. The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Fourth USNO CCD Astrograph Catalog
6. Validation of the new Hipparcos reduction
7. Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ∼55000 stars and mean radial velocities of 516 Galactic open clusters and associations