# 2 Lacertae

> binary star system in the constellation Lacerta

**Wikidata**: [Q128465](https://www.wikidata.org/wiki/Q128465)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/2_Lacertae)  
**Source**: https://4ort.xyz/entity/2-lacertae


## References

1. [SIMBAD](http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=2+Lac&submit=SIMBAD+search)
2. SB9: The ninth catalogue of spectroscopic binary orbits
3. [International Variable Star Index](https://www.aavso.org/vsx/index.php?view=detail.top&oid=52754)
4. SIMBAD
5. The kinematics of the Gould belt: an expanding group ?
6. Washington Double Star Catalog
7. Freebase Data Dumps. 2013
8. Catalogue of suspected variable stars. Moscow, Acad. of Sciences USSR Shternberg,1951 (1981)
9. Catalog of Galactic OB Stars
10. The Tycho-2 catalogue of the 2.5 million brightest stars
11. Gaia Data Release 2
12. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
13. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
14. Rotational Velocities of B Stars
15. Validation of the new Hipparcos reduction
16. Rotational velocities of A-type stars. IV. Evolution of rotational velocities