Interstellar dust

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Results Formation of H2 and HD physisorbed atoms @ low T dust chemisorbed atoms @ high T dust . Inclusion para sites Increase the efficiency >1 mag PAHs HD H2
H 2 formation rate in the ISM R(H 2 )=(1/2) n H v H • n H number density of H atoms • v H speed of H atoms in the gas phase • σ area of the grain • n d number density of dust grain n d S H • S H sticking coefficient of the H atoms on the grain • ε H 2 recombination efficiency Photo-dissociation regions
Page 1 and 2: Interstellar dust: The hidden prota
Page 3 and 4: Dust as catalyst/ reservoir H 2 in
Page 5 and 6: Dust as a reservoir: interstellar i
Page 7 and 8: Interstellar dust grains Grain size
Page 9 and 10: Interaction atom/surface: experimen
Page 11 and 12: Model: Interaction and mobility phy
Page 13 and 14: Formation of H 2 on dust
Page 15 and 16: Interaction atom/surface: Density f
Page 17: Interaction atom/surface: experimen
Page 21 and 22: H 2 formation rate: Photo-dissociat
Page 23 and 24: Experiment H 2 formed on PAHs L. Bo
Page 25 and 26: More complex species Star form in c
Page 27 and 28: Grain surface chemistry: Monte carl
Page 29 and 30: Grain surface chemistry: Monte carl
Page 31 and 32: Grain surface Results Gas phase Tes
Page 33 and 34: Diffuse clouds Diffuse clouds: H at
Page 35 and 36: UV and X-rays star forming regions
Page 37 and 38: Dust grains as catalyst Formation s
Page 39 and 40: Impact of dust on gas: experiments
Page 41 and 42: Dust in Flash Flash + cooling at di

Interstellar dust

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