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Mopra Central Molecular Zone Carbon Monoxide Survey Status

Published online by Cambridge University Press:  09 February 2017

Rebecca Blackwell ,
Michael Burton  and
Gavin Rowell
Rebecca Blackwell
Affiliation:
School of Physical Sciences, University of Adelaide 5005, South Australia, Australia email: rebecca.blackwell@student.adelaide.edu.au
Michael Burton
Affiliation:
School of Physics, University of New South Wales 2052, New South Wales, AustraliaArmagh Observatory & Planetarium, College Hill, Armagh BT61 9DG, Northern Ireland, United Kingdom
Gavin Rowell
Affiliation:
School of Physical Sciences, University of Adelaide 5005, South Australia, Australia
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Abstract

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We present an update on the Mopra Central Molecular Zone Carbon Monoxide (CO) survey, with data taken in 2016 extending the original 3.5° ≥ l ≥ 358.5°, +1.0° ≥ b ≥ -0.5° to 4.0° ≥ l ≥ 358.0°, +1.0° ≥ b ≥ -1.0°. Using the four simultaneously observed lines of 12CO, 13CO, C18O, and C17O Nyquist sampled at 0.6′ spatial and 0.1 km/s spectral resolution, we are building an optical-thickness-corrected three-dimensional model of the diffuse gas, and making cloud mass estimates. This data, as part of the Mopra Southern Galactic Plane CO Survey (Braiding et al. (2015), Burton et al. (2013)), is at the highest resolution available across such a widespread region, and includes the Sagittarius A, Sagittarius B2, Sagittarius C, and G1.3 cloud complexes, as well as Bania’s Clump 2.

Keywords

ISM: cloudsGalaxy: centerradio lines: ISM
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S322: The Multi-Messenger Astrophysics of the Galactic Centre , July 2016 , pp. 164 - 165
Copyright
Copyright © International Astronomical Union 2017 

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