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The Circumnuclear Region in NGC 4321

Published online by Cambridge University Press:  30 March 2016

J.H. Knapen ,
J.E. Beckman ,
I. Shlosman ,
C.H. Heller ,
R.F. Peletier  and
R.S. De Jong
J.H. Knapen
Affiliation:
Instituto de Astrofísica de Canarias, E-38200 La Laguna, Tenerife, Spain
J.E. Beckman
Affiliation:
Instituto de Astrofísica de Canarias, E-38200 La Laguna, Tenerife, Spain
I. Shlosman
Affiliation:
Department of Physics and Astronomy, University of Kentucky, Lexington, KY 40506-0055, USA
C.H. Heller
Affiliation:
Department of Physics and Astronomy, University of Kentucky, Lexington, KY 40506-0055, USA
R.F. Peletier
Affiliation:
Kapteyn Astronomical Institute, Postbus 800, NL-9700 AV Groningen, The Netherlands
R.S. De Jong
Affiliation:
Kapteyn Astronomical Institute, Postbus 800, NL-9700 AV Groningen, The Netherlands

Abstract

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We present results from a recent study of the inner 1 kpc zone of the weakly barred spiral galaxy NGC 4321 (M100), which reveals a circumnuclear starburst, organized in a pair of tightly-wound spiral arms. Combining high-resolution imaging in the optical and near-IR with a detailed dynamical model, we show that the morphology of this region can be explained by a resonance interaction between the disk and the stellar bar and its effects on the gas.

Type
II. Joint Discussions
Information
Highlights of Astronomy , Volume 10: Highlights of Astronomy. As presented at the XXIInd General Assembly of the IAU, 1994 , 1995 , pp. 539 - 542
Copyright
Copyright © Kluwer 1995

References

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