# Pi1 Orionis

> star in the constellation Orion

**Wikidata**: [Q3901783](https://www.wikidata.org/wiki/Q3901783)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pi1_Orionis)  
**Source**: https://4ort.xyz/entity/pi1-orionis


## References

1. SIMBAD
2. An Evaluation of the Membership Probability of 212 λ Boo Stars. I. A Catalogue
3. Freebase Data Dumps. 2013
4. The Tycho-2 catalogue of the 2.5 million brightest stars
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. A new method for the inversion of atmospheric parameters of A/Am stars
9. Characterization of Dusty Debris Disks: The IRAS and Hipparcos Catalogs
10. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i
11. Rotational velocities of A-type stars. III. Velocity distributions
12. Validation of the new Hipparcos reduction