.png){kind=icon}
Return
HOT HYDROGEN IN DIFFUSE CLOUDS
.png){kind=icon}
PRE
AI
DOI：10.1088/0004-637X/755/2/119.png)
.png){kind=icon}
Original request for help.png){kind=icon}
Share.png){kind=icon}
Save
Abstract
En 中文
Laboratory evidence suggests that recombination of adsorbed radicals may cause an abrupt temperature excursion of a dust grain to about 1000 K. One consequence of this is the rapid desorption of adsorbed H-2 molecules with excitation temperatures of this magnitude. We compute the consequences of injection of hot H-2 into cold diffuse interstellar gas at a rate of 1% of the canonical H-2 formation rate. We find that the level populations of H-2 in J = 3, 4, and 5 are close to observed values, and that the abundances of CH+ and OH formed in reactions with hot hydrogen are close to the values obtained from observations of diffuse clouds.
Keywords:
infrared: diffuse background
infrared: ISM
ISM: lines and bands
ISM: molecules
AI Summary
Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.
Journal
IF:
5.4
Papers:
8.3W
Citations:
32.0W
Organization
View more organizations
Cited Papers
.png){kind=icon}
ShareSave
ShareSaveShareSaveShareSave View more