# Pi2 Orionis

> star in the constellation Orion

**Wikidata**: [Q3901782](https://www.wikidata.org/wiki/Q3901782)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pi2_Orionis)  
**Source**: https://4ort.xyz/entity/pi2-orionis


## References

1. SIMBAD
2. Rotational velocities and spectral types of some A-type stars
3. Freebase Data Dumps. 2013
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Data Release 3
7. Gaia Early Data Release 3
8. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
9. A new method for the inversion of atmospheric parameters of A/Am stars
10. New measurements of rotation and differential rotation in A-F stars: are there two populations of differentially rotating stars?
11. Validation of the new Hipparcos reduction