The Impact of Nuclear Outbursts on the Surrounding Atmosphere in the NGC5846 Group

Details The Impact of Nuclear Outbursts on the Surrounding Atmosphere in the NGC5846 Group The Impact of Nuclear Outbursts on the Surrounding Atmosphere in the NGC5846 Group

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006cxo..prop.2238f&link_type=abstract

Chandra Proposal ID #08800933

Physics

Chandra Proposal Id #08800933

Scientific paper

We propose a deep ACIS-I observation of the NGC5846 galaxy group.The core of NGC5846 shows an X-ray cavity filled with radio emitting plasma, with "knots" of X-ray emission in the bright rim around the radio lobe, and several "edges" in its surface brightness distribution. We will measure the temperature structure in the rim of emission around the radio lobe, determine the mechanical power associated with the X-ray cavity, and measure the detailed temperature and entrophy structure of the gas in the core. Most importantly, since the gas in the group is cool (1 keV) we can measure accurately the temperature structure across the bright surface brightness edges to determine if these edges are due to shocks from the radio outburst or due to sloshing of the gas in the core.

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