High Resolution X-Ray Imaging of the Interacting Galaxy Pair NGC 7714/5

Details High Resolution X-Ray Imaging of the Interacting Galaxy Pair NGC 7714/5 High Resolution X-Ray Imaging of the Interacting Galaxy Pair NGC 7714/5

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1507s&link_type=abstract

Chandra Proposal ID #05700208

Physics

Chandra Proposal Id #05700208

Scientific paper

We propose to use ACIS-S to image the interacting galaxy NGC 7714, which contains a very young nuclear starburst (5 Myr old). ROSAT HRI maps show strong extended X-ray radiation from the nuclear region, plus a peculiar secondary X-ray source at the edge of the disk. This latter source may be a hot spot caused by gas infall from the bridge impacting disk gas. With our observations, we will be able to test this hypothesis. The Chandra data will also resolve the central source, separating nuclear emission from that of nearby non-nuclear point sources and from the diffuse gas in the inner disk. The spectrum of the diffuse gas will enable us to estimate the metallicity and O/Fe ratio of the outflow, constraining the nucleosynthesis in the starburst.

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