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Blue Compact Dwarf Galaxies with Spitzer: The Infrared/Radio Properties
Yanling Wu, V. Charmandaris, J. R. Houck +4
We study the correlation between the radio, mid-infrared and far-infrared properties for a sample of 28 blue compact dwarf (BCD) and low metallicity star-forming galaxies observed…
Spatially Resolved Spitzer-IRS Spectroscopy of the Central Region of M82
P. Beirão, B. R. Brandl, P. N. Appleton +6
We present high spatial resolution (~ 35 parsec) 5-38 um spectra of the central region of M82, taken with the Spitzer Infrared Spectrograph. From these spectra we determined the fl…
Dust Properties and Star-Formation Rates in Star-Forming Dwarf Galaxies
J. L. Rosenberg, Yanling Wu, Emeric Le Floc'h +5
We have used the Spitzer Space Telescope to study the dust properties of a sample of star-forming dwarf galaxies. The differences in the mid-infrared spectral energy distributions…
Chemical composition and mixing in giant HII regions: NGC3603, 30Doradus, and N66
V. Lebouteiller, J. Bernard-Salas, B. Brandl +5
We investigate the chemical abundances of NGC3603 in the Milky Way, of 30Doradus in the Large Magellanic Cloud, and of N66 in the Small Magellanic Cloud. Mid-infrared observations…
Elemental Abundances of Blue Compact Dwarfs from mid-IR Spectroscopy with Spitzer
Yanling Wu, J. Bernard-Salas, V. Charmandaris +4
We present a study of elemental abundances in a sample of thirteen Blue Compact Dwarf (BCD) galaxies, using the 10--37m high resolution spectra obtained with Spitzer/IRS.…
Obscuration in extremely luminous quasars
M. Polletta, D. Weedman, S. Hoenig +3
The spectral energy distributions and infrared (IR) spectra of a sample of obscured AGNs selected in the mid-IR are modeled with recent clumpy torus models to investigate the natur…