# Q84207139
**Wikidata**: [Q84207139](https://www.wikidata.org/wiki/Q84207139)  
**Source**: https://4ort.xyz/entity/q84207139


## References

1. SIMBAD
2. The low-mass stellar population in L1641: evidence for environmental dependence of the stellar initial mass function
3. NGC 1980 Is Not a Foreground Population of Orion: Spectroscopic Survey of Young Stars with Low Extinction in Orion A
4. Probing the outer galactic halo with RR Lyrae from the Catalina surveys
5. The SDSS Photometric Catalog, Release 7
6. The seventh data release of the Sloan Digital Sky Survey
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Gaia Early Data Release 3
9. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
10. Temperatures and Metallicities of M Dwarfs in the APOGEE Survey
11. Gaia Data Release 2
12. The APOGEE-2 Survey of the Orion Star-forming Complex. II. Six-dimensional Structure
13. Close Companions around Young Stars