Matches in SemOpenAlex for { <https://semopenalex.org/work/W2048274049> ?p ?o ?g. }
- W2048274049 endingPage "837" @default.
- W2048274049 startingPage "810" @default.
- W2048274049 abstract "IR emission spectra are calculated for dust heated by starlight, for mixtures of amorphous silicate and graphitic grains, including varying amounts of PAH particles. The models are constrained to reproduce the average Milky Way extinction curve. The calculations include the effects of single-photon heating. Updated IR absorption properties for the PAHs are presented that are consistent with observed emission spectra, including those newly obtained by Spitzer. We find a size distribution for the PAHs giving emission band ratios consistent with the observed spectra of the Milky Way and other galaxies. Emission spectra are presented for a wide range of starlight intensities. We calculate how the efficiency of emission into different IR bands depends on PAH size; the strong 7.7 μm emission feature is produced mainly by PAH particles containing Umin. We present graphical procedures using Spitzer IRAC and MIPS photometry to estimate the parameters qPAH, Umin, and γ, the fraction fPDR of the dust luminosity coming from photodissociation regions with U > 100, and the total dust mass Mdust." @default.
- W2048274049 created "2016-06-24" @default.
- W2048274049 creator A5023974267 @default.
- W2048274049 creator A5043090461 @default.
- W2048274049 date "2007-03-10" @default.
- W2048274049 modified "2023-10-15" @default.
- W2048274049 title "Infrared Emission from Interstellar Dust. IV. The Silicate‐Graphite‐PAH Model in the Post‐<i>Spitzer</i>Era" @default.
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