# Q84209878
**Wikidata**: [Q84209878](https://www.wikidata.org/wiki/Q84209878)  
**Source**: https://4ort.xyz/entity/q84209878


## References

1. SIMBAD
2. A multi-color optical survey of the Orion Nebula Cluster. II. The H-R diagram
3. A multi-color optical survey of the Orion nebula cluster. I. The catalog
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Early Data Release 3
6. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
7. Gaia Data Release 2
8. Flare stars in stellar aggregates of different ages