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Turbulence in the G333 molecular cloud

Published online by Cambridge University Press:  01 August 2006

P. A. Jones ,
M. R. Cunningham ,
I. Bains ,
E. Muller ,
T. Wong  and
M. G. Burton
P. A. Jones
Affiliation:
School of Physics, University of New South Wales, NSW 2052, Australia email: Paul.Jones@csiro.au
M. R. Cunningham
Affiliation:
School of Physics, University of New South Wales, NSW 2052, Australia email: Paul.Jones@csiro.au
I. Bains
Affiliation:
School of Physics, University of New South Wales, NSW 2052, Australia email: Paul.Jones@csiro.au
E. Muller
Affiliation:
Australia Telescope National Facility, PO Box 76, Epping NSW 1710, Australia
T. Wong
Affiliation:
School of Physics, University of New South Wales, NSW 2052, Australia email: Paul.Jones@csiro.au Australia Telescope National Facility, PO Box 76, Epping NSW 1710, Australia
M. G. Burton
Affiliation:
School of Physics, University of New South Wales, NSW 2052, Australia email: Paul.Jones@csiro.au
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We are studying the molecular clouds in the region around G333.6-0.2 in a number of 3-mm transitions from different molecular species, to probe, among other things, the turbulent properties. The observations are being made by on-the-fly mapping with the 22-m diameter single-dish Mopra radio telescope. See Bains et al. (2006) and Cunningham et al. (2006 in these proceedings) for more details. During 2004 and 2005 we obtained 13 CO (1 – 0), C18O, CS (2 – 1) and C34S data. Using the different molecular tracers gives complementary information about the gas density structure, due to the different critical densities, and different isotopomers allows correction for optical depth effects.

Keywords

ISM: cloudsturbulenceISM: molecules
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S237: Triggered Star Formation in a Turbulent ISM , August 2006 , pp. 429
Copyright
Copyright © International Astronomical Union 2007

References

Bains, I., et al. 2006, MNRAS 367, 1609CrossRefGoogle Scholar
Lazarian, A. & Pogosyan, D. 2000, ApJ 537, 720CrossRefGoogle Scholar