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astro-ph.CO2011★ 21 cited
Spitzer IRS Spectral Mapping of the Toomre Sequence: Spatial Variations of PAH, Gas, and Dust Properties in Nearby Major Mergers
S. Haan, L. Armus, S. Laine +13
We have mapped the key mid-IR diagnostics in eight major merger systems of the Toomre Sequence (NGC4676, NGC7592, NGC6621, NGC2623, NGC6240, NGC520, NGC3921, and NGC7252) using the…
astro-ph.CO2010
The Color-Dependent Frequency of XUV Disks In Low-Mass E/S0s
Amanda J. Moffett, Sheila J. Kannappan, Andrew J. Baker +1
We identify a high frequency of Type 1 XUV disks, reflecting recent outer disk star formation, in a sample of 31 E/S0s with stellar masses primarily below M_* ~ 4 x 10^10 M_sun. Ou…