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Results of the IRAM M33 Large Program

Published online by Cambridge University Press:  21 March 2013

Jonathan Braine ,
Karl Schuster ,
Pierre Gratier  and
Clément Druard
Jonathan Braine
Affiliation:
Univ. Bordeaux, Laboratoire d'Astrophysique de Bordeaux, CNRS, LAB, UMR 5804, F-33270, Floirac, France. email: braine@obs.u-bordeaux1.fr
Karl Schuster
Affiliation:
IRAM, 300 Rue de la Piscine, F-38406 St Martin d'Hères, France
Pierre Gratier
Affiliation:
IRAM, 300 Rue de la Piscine, F-38406 St Martin d'Hères, France
Clément Druard
Affiliation:
Univ. Bordeaux, Laboratoire d'Astrophysique de Bordeaux, CNRS, LAB, UMR 5804, F-33270, Floirac, France. email: braine@obs.u-bordeaux1.fr IRAM, 300 Rue de la Piscine, F-38406 St Martin d'Hères, France
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Abstract

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A very sensitive survey of the CO(2−1) emission of the entire disk of the Local Group galaxy M 33 is virtually complete. Hundreds of clouds down to a mass of 10000M⊙ are detected and we show that the cloud mass function (assuming a constant ratio between CO emission and H2 mass) steepens away from the center of M 33. Through comparison with dust emission and cloud Virial masses, we estimate a N(H2)/ICO factor roughly twice Galactic.

Keywords

galaxies: individual (M33) — Local Group — galaxies: evolution — galaxies: ISM — ISM: clouds — stars: formation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S292: Molecular Gas, Dust, and Star Formation in Galaxies , August 2012 , pp. 135 - 138
Copyright
Copyright © International Astronomical Union 2013

References

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