# Q84204039
**Wikidata**: [Q84204039](https://www.wikidata.org/wiki/Q84204039)  
**Source**: https://4ort.xyz/entity/q84204039


## References

1. SIMBAD
2. NGC 1980 Is Not a Foreground Population of Orion: Spectroscopic Survey of Young Stars with Low Extinction in Orion A
3. The 78th name-list of variable stars
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. REM near-IR and optical photometric monitoring of pre-main sequence stars in Orion. Rotation periods and starspot parameters
6. Gaia Data Release 2
7. Kinematics of the Orion Nebula Cluster: velocity substructure and spectroscopic binaries