Sub-kpc scale gas density histogram of the galactic molecular gas: a new statistical method to characterize galactic-scale gas structures
Ren Matsusaka,
Toshihiro Handa,
Yusuke Fujimoto
et al.
Abstract:To understand physical properties of the interstellar medium (ISM) on various scales, we investigate it at parsec resolution on the kiloparsec scale. Here, we report on the sub-kpc scale Gas Density Histogram (GDH) of the Milky Way. The GDH is a density probability distribution function (PDF) of the gas volume density. Using this method, we are free from an identification of individual molecular clouds and their spatial structures. We use survey data of 12CO and 13CO (J=1–0) emission in the Galactic plane (l =… Show more
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