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The 5.25 & 5.7 m Astronomical Polycyclic Aromatic Hydrocarbon Emission Features
C. Boersma, A. L. Mattioda, C. W. Bauschlicher +3
Astronomical mid-IR spectra show two minor PAH features at 5.25 and 5.7 m (1905 and 1754 cm) that hitherto have been little studied, but contain information about th…
A mid-infrared study of HII regions in the Magellanic Clouds: N88A and N160A
N. L. Martin-Hernandez, E. Peeters, A. G. G. M. Tielens
To show the importance of high-spatial resolution observations of HII regions when compared with observations obtained with larger apertures such as ISO, we present mid-infrared sp…
The infrared spectra of very large, compact, highly symmetric, polycyclic aromatic hydrocarbons (PAHs)
Charles W. Bauschlicher, Els Peeters, Louis J. Allamandola
The mid-infrared spectra of large PAHs ranging from C54H18 to C130H28 are determined computationally using Density Functional Theory. Trends in the band positions and intensities a…
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 Spitzer-IRS spectrum of SMP LMC 11
J. Bernard-Salas, E. Peeters, G. C. Sloan +3
We present the first mid-infrared spectra of SMP LMC 11 in the Large Magellanic Cloud. While this object resembles a planetary nebula in the optical, its infrared properties are mo…
High spatial resolution mid-infrared spectroscopy of the starburst galaxies NGC 3256, IIZw40 and Henize 2-10
N. L. Martin-Hernandez, D. Schaerer, E. Peeters +2
In order to show the importance of high spatial resolution observations of extra-galactic sources when compared to observations obtained with larger apertures such as ISO, we prese…