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M 31's Molecular Arms at All Scales to Below 10 pc

Published online by Cambridge University Press:  13 May 2016

N. Neininger ,
Ch. Nieten ,
M. Guélin ,
H. Ungerechts ,
R. Lucas ,
S. Muller  and
R. Wielebinski
N. Neininger
Affiliation:
Radioastronomisches Institut der Universität Bonn, Auf dem Hügel 71, D-53121 Bonn, Germany
Ch. Nieten
Affiliation:
MPIfR, D-53121 Bonn (Germany)
M. Guélin
Affiliation:
IRAM, F-38406 St. Martin d'Heres (France)
H. Ungerechts
Affiliation:
IRAM E-18012 Granada (Spain)
R. Lucas
Affiliation:
IRAM, F-38406 St. Martin d'Heres (France)
S. Muller
Affiliation:
IRAM, F-38406 St. Martin d'Heres (France)
R. Wielebinski
Affiliation:
MPIfR, D-53121 Bonn (Germany)

Abstract

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I present a unique data set for the study of molecular gas in galaxies: a complete, high-resolution survey of the CO in M 31 and additional local studies. The fully sampled survey has an angular resolution of 23 FWHM and the interferometric data attain the pc-scale with sub-arcsecond resolution. For the first time it is now possible to study large and small scales in conjunction. Thus we are able to derive the global structure and study the links down to the individual cloud complexes and star formation regions.

Type
Molecules in External Galaxies
Information
Symposium - International Astronomical Union , Volume 205: Galaxies and their Constituents at the Highest Angular Resolutions , 2001 , pp. 352 - 355
Copyright
Copyright © Astronomical Society of the Pacific 2001 

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