A Mid-IR Imaging Survey of G292.0+1.8: Mapping the Ejecta and Circumstellar Interaction

Details A Mid-IR Imaging Survey of G292.0+1.8: Mapping the Ejecta and Circumstellar Interaction A Mid-IR Imaging Survey of G292.0+1.8: Mapping the Ejecta and Circumstellar Interaction

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sptz.prop40583g&link_type=abstract

Spitzer Proposal ID #40583

Physics

Scientific paper

Of the known Galactic supernova remnants, G292.0+1.8 is the only object known to exhibit all the expected characteristics of a core-collapse SN: O-rich X-ray and optical emission from stellar ejecta, a recently discovered active pulsar and associated pulsar wind nebula, and evidence for circumstellar wind interaction. We propose MIPS, IRAC and IRS spectral mapping of G292.0+1.8, with the aim of (1) obtaining a consensus of the dust temperature, IR luminosity and total dust mass (CSM and ejecta) in this SNR, and (2) map the mid-IR distribution of emission from the metal-rich ejecta over the entire SNR with the goal of probing the nucleosynthetic products of both hydrostatic and explosive burning in the SN explosion. Our observations will be supported by a wealth of data including WFPC2 HST imagery, a 0.5 Ms Chandra observation, and a scheduled proper motion study with the ATCA radio array.

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