The high angular resolution capabilities of the Chandra X-ray observatory have spurred significant advances in our understanding of supernova remnants (SNRs) and phenomena related to these sources.
Observations of Galactic SNRs made with Chandra have revealed fine structure on arcsecond scales in these sources: similarly, Chandra observations of nearby galaxies have helped to identify X-ray counterparts to optically-identified SNRs and candidate radio SNRs. In this talk, I will present and describe Chandra observations made of Galactic and extragalactic SNRs: first, I will present an observation of the northwestern rim of the Galactic SNR G266.2-1.2. This SNR is a member of the class of sources which feature X-ray spectra dominated by non-thermal emission, and I will discuss the results of this observation in the context of cosmic-ray acceleration by SNRs. I will then present an observation made of the nearby Sculptor Group Sd galaxy NGC 7793 and discuss the results of this observation in the context of wavelength-dependent selection effects in searches for SNRs in nearby galaxies.
Tuesday, February 10th
Seminar is to be held at 4:00 PM in the conference room
on the second floor of Dearborn Observatory
Refreshments will be served at 3:30
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