A dynamical transition from atomic to molecular intermediate-velocity clouds

2014/02/24 by T. Röhser, Tobias Röhser, Jürgen Kerp +7
Physics and Astronomy · #Astronomy #Astrophysics #Astrophysics and Star Formation Studies #Atomic physics #Galaxies: Formation, Evolution, Phenomena #Halo #Hydrogen #Molecular cloud #Physics #Spectral line #Stars #Stellar, planetary, and galactic studies #astro-ph.GA

paper · pdf · doi:10.1051/0004-6361/201322525

13 pages, 14 figures, accepted for publication by A&A

openalex publication_date 2014/02/24 · arxiv created 2014/02/27 · arxiv updated 2015/06/18 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Context. Towards the high galactic latitude sky, the far-infrared (FIR) intensity is tightly correlated to the total hydrogen column density which is made up of atomic (H i) and molecular hydrogen (H2). Above a certain column density threshold, atomic hydrogen turns molecular.

Citations

• Distances and Metallicities of High‐ and Intermediate‐Velocity Clouds
• Molecular Cloud Formation behind Shock Waves
• Molecular Hydrogen in Infrared Cirrus
• Rapid Formation of Molecular Clouds and Stars in the Solar Neighborhood
• Infrared cirrus - New components of the extended infrared emission
• The Infrared Astronomical Satellite (IRAS) mission
• The HiDistribution of the Milky Way
• The Effelsberg Bonn H I Survey (EBHIS)