IRS Spectroscopy of the Shell Surrounding the Pulsar Wind Nebula

Details IRS Spectroscopy of the Shell Surrounding the Pulsar Wind Nebula IRS Spectroscopy of the Shell Surrounding the Pulsar Wind Nebula

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sptz.prop40736s&link_type=abstract

Spitzer Proposal ID #40736

Physics

Scientific paper

G54.1+0.3 is a young pulsar wind nebula for which Spitzer observations reveal a bright shell into which the nebula is expanding. The IR emission may arise from shocked supernova ejecta being swept up by the expanding nebula, or from dust being shocked and/or irradiated by the nebula. The brightest region in the shell is spatially coincident with the termination of an outflow structure seen in X-ray observations of the nebula. We propose IRS spectra of the shell with which we will identify or constrain the abundances of the ejecta, the temperature and ionization state of the gas, the amount of dust produced in the ejecta, and the nature of the bright emission near the pulsar jet.

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