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Radial distribution of stars, gas and dust in SINGS galaxies. II. Derived dust properties
J. C. Muñoz-Mateos, A. Gil de Paz, S. Boissier +13
We present a detailed analysis of the radial distribution of dust properties in the SINGS sample, performed on a set of UV, IR and HI surface brightness profiles, combined with pub…
The Discovery of Vibrationally-Excited H_2 in the Molecular Cloud near GRB 080607
Y. Sheffer, J. X. Prochaska, B. T. Draine +2
GRB 080607 has provided the first strong observational signatures of molecular absorption bands toward any galaxy hosting a gamma-ray burst. Despite the identification of dozens of…
The ~0.9 mJy sample: A mid-infrared spectroscopic catalog of 150 infrared-luminous, 24 micron selected galaxies at 0.3<z<3.5
Kalliopi M. Dasyra, Lin Yan, George Helou +6
We present a catalog of mid-infrared (MIR) spectra of 150 infrared (IR) luminous galaxies in the Spitzer extragalactic first look survey obtained with IRS on board Spitzer. The sam…
Constraining the Porosities of Interstellar Dust Grains
Kevin Heng, Bruce T. Draine
We present theoretical calculations of the X-ray scattering properties of porous grain aggregates with olivine monomers. The small and large angle scattering properties of these ag…
Interstellar Dust Models and Evolutionary Implications
B. T. Draine
The wavelength dependences of interstellar extinction and polarization, supplemented by observed elemental abundances and the spectrum of infrared emission from dust heated by star…
Polarized Infrared Emission by Polycyclic Aromatic Hydrocarbons resulting from Anisotropic Illumination
Lorenzo Sironi, Bruce T. Draine
We study the polarized infrared emission by Polycyclic Aromatic Hydrocarbons (PAHs), when anisotropically illuminated by UV photons. PAH molecules are modeled as planar disks with…