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Molecular Gas in NGC 4736 : CO Observations and Numerical Simulations

Published online by Cambridge University Press:  03 August 2017

M. Gerin ,
F. Combes  and
F Casoli
M. Gerin
Affiliation:
E.N.S. 24 Rue Lhomond 75231 Paris cedex 05 France
F. Combes
Affiliation:
E.N.S. 24 Rue Lhomond 75231 Paris cedex 05 France
F Casoli
Affiliation:
E.N.S. 24 Rue Lhomond 75231 Paris cedex 05 France

Extract

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NGC 4736 is one of the nearest examples (D ≈ 6.3 Mpc) of spiral galaxies with prominent rings : an inner ring of HII regions (r ≈ 50″ ≈ 1.7 kpc) and an outer stellar and HI ring (r ≈ 5′ ≈ 9 kpc. Atomic gas is present in the inner ring, and throughout the main body of the galaxy, but neither in the nucleus nor in the gap between the main body and the outer ring.

Type
VIII- Bars, Rings and Starbursts
Information
Symposium - International Astronomical Union , Volume 146: Dynamics of Galaxies and their Molecular Cloud Distributions , 1991 , pp. 268
Copyright
Copyright © Kluwer 1991