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Recent Taurus Results on Hα Velocities in M83

Published online by Cambridge University Press:  04 August 2017

R. J. Allen ,
P. D. Atherton ,
T. A. Oosterloo  and
K. Taylor
R. J. Allen
Affiliation:
Kapteyn Astronomical Institute, University of Groningen, The Netherlands
P. D. Atherton
Affiliation:
Kapteyn Astronomical Institute, University of Groningen, The Netherlands
T. A. Oosterloo
Affiliation:
Kapteyn Astronomical Institute, University of Groningen, The Netherlands
K. Taylor
Affiliation:
Royal Greenwich Observatory, Herstmonceux Castle, Hailsham, U.K. Anglo-Australian Observatory Epping, N.S.W., Australia

Abstract

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Preliminary Hα observations with the TAURUS imaging spectrometer confirm a pattern of systematic radial motions in a section of spiral arm in M83. The velocity gradients are not consistent with those predicted for the neutral gas.

Non-circular motions have also been discovered in the central regions of the galaxy.

Type
II. Spiral Structure
Information
Symposium - International Astronomical Union , Volume 100: Internal Kinematics and Dynamics of Galaxies , 1983 , pp. 147 - 150
Copyright
Copyright © Reidel 1983 

References

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