# Q83691987
**Wikidata**: [Q83691987](https://www.wikidata.org/wiki/Q83691987)  
**Source**: https://4ort.xyz/entity/q83691987


## 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. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. The low-mass stellar population in L1641: evidence for environmental dependence of the stellar initial mass function
5. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
6. Gaia Data Release 2
7. Kinematic structure of the Orion Nebula Cluster and its surroundings