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Activity, Rotation and Convection in Orion: Are the Data Inconsistent with the Ms Activity-Rossby Number Relation?

Published online by Cambridge University Press:  26 May 2016

E. Flaccomio ,
G. Micela ,
N. Pizzolato ,
S. Sciortino  and
P. Ventura
E. Flaccomio
Affiliation:
INAF - Osservatorio Astronomico di Palermo G.S. Vaiana
G. Micela
Affiliation:
INAF - Osservatorio Astronomico di Palermo G.S. Vaiana
N. Pizzolato
Affiliation:
INAF - Osservatorio Astronomico di Palermo G.S. Vaiana
S. Sciortino
Affiliation:
INAF - Osservatorio Astronomico di Palermo G.S. Vaiana
P. Ventura
Affiliation:
INAF - Osservatorio Astronomico di Roma

Abstract

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A relation between activity and rotation in young ~ 1Myr PMS in often not observed, suggesting that the mechanism responsible for the X-ray emission may differ from the α - ω dynamo. We re-investigate the matter utilizing recent X-ray and rotational data on the Orion Nebula Cluster (ONC).

Type
Session 4 Rotation and Stellar Evolution
Information
Symposium - International Astronomical Union , Volume 215: Stellar Rotation , 2004 , pp. 429 - 430
Copyright
Copyright © Astronomical Society of the Pacific 2004 

References

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