Computer Science – Databases
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sptz.prop30372t&link_type=abstract
Spitzer Proposal ID #30372
Computer Science
Databases
Scientific paper
The infrared spectrograph (IRS) onboard the Spitzer Space telescope allows to observe mid-IR continuum emission from heated interstellar dust grains and polycyclic aromatic hydrocarbon (PAH) emission lines. These include the well-studied PAH lines at 6-9 and 11.2 micron, and the more recently detected emission in the 15-21 micron region attributed to CCC out-of-plane bending vibrations. Our previous GO-1 observations of the supernova remnant N132D in the Large Magellanic Cloud were very successful. The detected PAH features between 8 and 20 microns demonstrate that PAH molecules are surviving a supernova blast wave despite being processed by a strong shock. This second proposal will enlarge our IRS data for this interesting remnant substantially, from currently one spectral pointing to a complete IRS 14-38 micron map with additional IRS 5.2-14.5 micron pointings for regions of special interest. This will allow us to study the distribution and shock processing of PAHs in detail, particularly the intriguing 15-21 micron features, using existing spectral databases and new laboratory as well as theoretical work.
Joblin Christine
Reach William T.
Rho Jeonghee
Tappe Achim
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