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Evidence from optical polarimetry for spiral structure in the magnetic field and cloud density around newly-formed stars

Published online by Cambridge University Press:  04 August 2017

R.F. Warren-Smith ,
P. W. Draper  and
S. M. Scarrott
R.F. Warren-Smith
Affiliation:
Physics Department, University of Durham, South Road, Durham DH1 3LE, England
P. W. Draper
Affiliation:
Physics Department, University of Durham, South Road, Durham DH1 3LE, England
S. M. Scarrott
Affiliation:
Physics Department, University of Durham, South Road, Durham DH1 3LE, England

Abstract

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Deep CCD imaging of the Serpens bipolar nebula shows it to be surrounded by molecular cloud material having spiral density structure. Polarization mapping indicates that the magnetic field in this material also exhibits spiral structure and we interpret this as the remains of the magnetically-braked collapse of a protostellar cloud. A binary star system has formed in the cloud core.

Type
Bipolar Flows, Jets and Protostars
Information
Symposium - International Astronomical Union , Volume 122: Circumstellar Matter , 1987 , pp. 129 - 130
Copyright
Copyright © Reidel 1987