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Variations of the Mid-IR Aromatic Features Inside and Among Galaxies
F. Galliano, S. C. Madden, A. G. G. M. Tielens +2
We present the results of a systematic study of mid-IR spectra of Galactic regions, Magellanic HII regions, and galaxies of various types (dwarf, spiral, starburst), observed by th…
The Evolution of Dust in the Early Universe with Applications to the Galaxy SDSS J1148+5251
Eli Dwek, Frederic Galliano, Anthony P. Jones
Dusty hyperluminous galaxies in the early universe provide unique environments for studying the role of massive stars in the formation and destruction of dust. At redshifts above ~…
ISM properties in low-metallicity environments I. mid-infrared spectra of dwarf galaxies
S. C. Madden, F. Galliano, A. P. Jones +1
We present new ISOCAM mid-infrared spectra of three starbursting nearby dwarf galaxies, NGC1569, IIZw40, NGC1140 and the 30Dor region of the LMC and explore the properties of the I…
ISM Properties in Low-Metallicity Environments II. The Dust Spectral Energy Distribution of NGC 1569
F. Galliano, S. C. Madden, A. P. Jones +3
We present new 450 and 850 microns SCUBA data of the dwarf galaxy NGC 1569. We construct the mid-infrared to millimeter SED of NGC 1569, using ISOCAM, ISOPHOT, IRAS, KAO, SCUBA and…
The Nature of the Low-Metallicity ISM in the Dwarf Galaxy NGC 1569
F. Galliano, S. C. Madden, A. P. Jones +3
We are modeling the spectra of dwarf galaxies from infrared to submillimeter wavelengths to understand the nature of the various dust components in low-metallicity environments, wh…
Depletion patterns and dust evolution in the ISM
A. P. Jones
We review the use of elemental depletions in determining the composition of interstellar dust and present a new interpretation of the elemental depletion patterns for the dust form…