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Papers from Across the Disciplines: The distribution of gas densities in the Milky Way
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Title: Papers from Across the Disciplines: The distribution of gas densities in the Milky Way
Physical Description: Serial
Language: English
Creator: O'Dougherty, Stefan
Publisher: University of Florida
Place of Publication: Gainesville, Fla.
Publication Date: 2011
Abstract: Observations of the atomic and molecular phases of the interstellar medium that coincide with the 20 degree by 6 degree region covered by the Census of High- and Medium-mass Protostars survey (CHaMP) are used to derive mass estimates and a probability distribution function of gas with density. The Southern Galactic Plane Survey (SGPS) and The Galactic All Sky Survey (GASS) were used for the HI, while the Nanten surveys of 12CO, 13CO, C18O and HCO+ were used as tracers for H2. Maximum and minimum mass estimates for each of the surveys were calculated due to the distance ambiguity that occurs within the solar radius. The derived probability distribution function is compared to simulations of a model galaxy. Maps of the distribution of the mass were generated as viewed from above the Milky Way for the 20 degree Galactic longitude range covered by CHaMP in each of the surveys for a better understanding of the distribution of GMCs and the structure of any spiral arms in the region.
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Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
System ID: UF00091523:00549

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