ASTR300B Collisions 2017 - University of...
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3/26/17 1 Maxwell Boltzmann Distribu:on Number of Par:cles Reduced mass of par:cles with rela:ve speeds v Example Neutral (H or H 2 ) Collision Rates Spitzer Physical Processes in the ISM
Transcript of ASTR300B Collisions 2017 - University of...
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3/26/17
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Maxwell Boltzmann Distribu:on Num
ber o
f Par:cles Reduced mass of par:cles
with rela:ve speeds v
Example Neutral (H or H2) Collision Rates
Spitzer -‐ Physical Processes in the ISM
![Page 2: ASTR300B Collisions 2017 - University of Arizonaeldora.as.arizona.edu/.../ASTR300B_Collisions_2017.pdf · 2017-03-27 · by the collisions, whereas in process (c) the rotational angular](https://reader034.fdocuments.net/reader034/viewer/2022042210/5eaf3ea47e9e6206212a5f95/html5/thumbnails/2.jpg)
3/26/17
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Table of Collision Strengths with e-‐
Spitzer -‐ Physical Processes in the ISM
Leiden Collision Rate Database
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Table of Ion Cri:cal Densi:es with e-‐
Cri:cal Densi:es for Molecules Op#cally thin cri#cal density for collisions with H2 (Shirley 2015)