Other
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21944412p&link_type=abstract
American Astronomical Society, AAS Meeting #219, #444.12
Other
Scientific paper
We report infrared detected supernova remnants (SNRs) from ISO/LWS archival data. The ionic lines and continuum of mid- to far- infrared spectroscopy using ISO/LWS were carefully examined. We have found 10-15 useful detections of infrared emission in supernova remnants. As the first project using ISO data, we identified 4 new young SNRs showing broad ionic lines. Broad ionic lines are signatures of ejecta in which dust may form. G54.1+0.3 shows broad lines of [OIII] at 88 micron, [O I] at 63 micron and [N II] at 122 micron. G320.3-1.2 (MSH15-52) shows broad lines of both [OIII] at 52 and 88 micron and [N II] at 122 micron. G21.5-0.9 and MSH11-54 show a broad line of only [N II] at 122 micron. We detect [C II] lines at 158 micron from all of the four sample SNRs, but they are not resolved within instrument resolution. We also present the archival Herschel imaging data of the four SNRs and will estimate dust masses by combing the ISO spectra and Herschel. For other ISO detected-SNRs, we plan to make ISO catalog of IR-detected SNRs.
Park Sung-Joon
Rho Jeonghee
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