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Detection of Acetylene toward Cepheus A East with Spitzer
P. Sonnentrucker, E. González-Alfonso, D. A. Neufeld
The first map of interstellar acetylene (C2H2) has been obtained with the infrared spectrograph onboard the Spitzer Space Telescope. A spectral line map of the vibration-rota…
Fully Sampled Maps of Ices and Silicates in Front of Cepheus A East with Spitzer
P. Sonnentrucker, D. A. Neufeld, P. A. Gerakines +5
We report the first fully sampled maps of the distribution of interstellar CO2 ices, H2O ices and total hydrogen nuclei, as inferred from the 9.7 micron silicate feature, toward th…
Spitzer spectral line mapping of supernova remnants: I. Basic data and principal component analysis
David A. Neufeld, David J. Hollenbach, Michael J. Kaufman +4
We report the results of spectroscopic mapping observations carried out toward small (1 x 1 arcmin) regions within the supernova remnants W44, W28, IC443, and 3C391 using the Infra…