# Q78249021
**Wikidata**: [Q78249021](https://www.wikidata.org/wiki/Q78249021)  
**Source**: https://4ort.xyz/entity/q78249021


## 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. Gaia Data Release 2
5. The rotation period distribution of pre-main-sequence stars in and around the Orion nebula