Chandra Observations of the Evolving Core of the Starburst Galaxy NGC 253

Details Chandra Observations of the Evolving Core of the Starburst Galaxy NGC 253 Chandra Observations of the Evolving Core of the Starburst Galaxy NGC 253

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1240w&link_type=abstract

Chandra Proposal ID #04600376

Physics

Chandra Proposal Id #04600376

Scientific paper

A Chandra observation of the nearby (~2.5 Mpc) starburst galaxy NGC 253 has shown tantalizing evidence for an AGN-like photoionizing source at the center of a strong, but aging circumnuclear starburst. If true, this is the first clear snapshot of the complex interplay between starburst and AGN activity and could be key to our understanding of the evolutionary link between starbursts and AGN. The goal of this proposal is to obtain high quality, spatially-resolved spectra of the central ~20 x ~20 arcsecond region of NGC 253 to distinguish between collisionally ionized and photoionized plasmas and measure the physical properties of the central source. This science requires distinguishing X-ray sources that are only a few arcseconds apart, and hence cannot be done with XMM.

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