# YY Orionis

> variable star in the constellation Orion

**Wikidata**: [Q66306893](https://www.wikidata.org/wiki/Q66306893)  
**Source**: https://4ort.xyz/entity/yy-orionis


## References

1. [SIMBAD](http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=YY+Ori&submit=SIMBAD+search)
2. Studies of extremely young clusters. VII. Spectroscopic observations of faint stars in the Orion nebula
3. SIMBAD
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Kinematics of the Orion Nebula Cluster: velocity substructure and spectroscopic binaries
8. IN-SYNC. III. The dynamical state of IC 348 - a super-virial velocity dispersion and a puzzling sign of convergence
9. IN-SYNC. IV. The young stellar population in the Orion A molecular cloud