The Lobe in CTB-109

Details The Lobe in CTB-109 The Lobe in CTB-109

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1461s&link_type=abstract

Chandra Proposal ID #05500612

Computer Science

Chandra Proposal Id #05500612

Scientific paper

We propose a deep ACIS-I pointing at an unusually bright diffuse feature interior to the galactic remnant CTB 109 (G109.1-1.0). This feature has been previously associated with the pulsar 1E 2259+586. A more likely explanation is that the feature is enhanced emission from the interaction of the remnant with a nearby molecular cloud complex. We have new high-resolution CO data which support the interaction hypothesis. Our observation will probe the shock/cloud interaction by detecting fine structure down to a few arcseconds, which we will compare to new, ground-based IR measurements. Our observation will also provide spectral evidence of an interaction by measuring abundance variations produced by the destruction of dust and the release of refractory elements back into the plasma.

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