Interstellar PAHs

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Chemical Modification of <strong>PAHs</strong> • N in the carbon skeleton “shifts” the peak position to higher frequency • Peeters et al., 2002, A&A, 390, 1089
<strong>PAHs</strong> in Regions of Star Formation • Peak position of the 7.7 µm band varies depending on source type • Aromatic versus aliphatic hydrocarbons or Nincorporation • Balance between reactions with C/H and photochemistry Sloan et al 2007, ApJ, 664, 1144 Boersma et al, 2008, A & A, 484, 241
Page 1 and 2: Interstellar PAHs Xander Tielens Le
Page 3 and 4: The incredibly rich spectrum of int
Page 5: PAHs and PDRs in Orion
Page 8 and 9: PAHs as a Measure of Starburst Acti
Page 10 and 11: PAHs and the Universe • PAHs as t
Page 12 and 13: Interstellar PAHs
Page 14 and 15: A day in the life …..
Page 16 and 17: The Relationship of PAHs & Dust PAH
Page 18 and 19: • Wide variety of techniques Spec
Page 20 and 21: Spectral Characteristics II Peeters
Page 22 and 23: • Ratio of C-H/C-C modes measures
Page 26 and 27: Boersma et al, 2008, A & A, 484, 24
Page 28 and 29: Cosmic Journey of Interstellar PAHs
Page 30 and 31: PAH Formation in Stellar Ejecta •
Page 32 and 33: PAH Formation and Shocks Cernicharo
Page 34 and 35: Benzene Formation in Cold Disks Ion
Page 36 and 37: PAH Destruction
Page 38 and 39: Energetic Ion Interaction with PAHs
Page 40 and 41: The ISM is a Harsh Mistress • Lif
Page 42 and 43: IR emission spectra are very simila
Page 44 and 45: SUMMARY • PAHs are everywhere !

Interstellar PAHs

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