lecture5 - Icy Layer Molecular Layer 10 9 10 8 10 7 10 6 10...

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Atomic & Molecular electronic absorption spectra
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m = 3.0
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dense (giant) molecular clouds H 2 T = 10 K core n = 10 cm 4 -3 embedded stars protoplanetary disk hot ionized gas organic molecules studied in millimeter-wave and IR PDR’s HII region
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PART OF TAURUS ASSEMBLY
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ANOTHER ASSEMBLY
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The Case of TMC-1 CO J =1 0
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TMC-1
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TMC-1 in CCS
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Contour Maps: L1544N
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Spectra from Elias 16
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Dust continuum – IRAS 16293
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Bipolar Flow in H2 V = 1 0 AFGL 618
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Protoplanetary Disk 0.01-0.1 M 0 500 AU Cosmic rays X-ray UV Keplerian rotation T Tauri star – 10 6   yr old midplane UV
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Vertical Distribution PDR
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Unformatted text preview: Icy Layer Molecular Layer 10 9 10 8 10 7 10 6 10 5 densiy [cm-3 ] temperature density 70 60 50 40 30 20 T [K] R = 105 AU Z(AU) 0 20 40 60 80 100 109 cm-3 108 107 106 105 accretion photodissociation Too detailed for observers ALMA: the future. Cold Core/Dark cloud Pre-stellar Core Protostar Star + Disk T = 10 K n = 10 4 cm-3 Isothermal collapse adiabatic hot corino 100-300 K stellar Diffuse (H2) Review: JPC 109A, 4017 (2005) OMC: KL HOT CORES...
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lecture5 - Icy Layer Molecular Layer 10 9 10 8 10 7 10 6 10...

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