Acis-S Observations of the Central Region of the Hydra a Cluster of Galaxies

Physics

Scientific paper

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Chandra Proposal Id #02800369

Scientific paper

We propose to use ACIS-S/HETG to observe the central region of the HYDRA A cluster of galaxies. By combining six 10 ksec ACIS-S/HETG observations of this target with the existing 20 ksec ACIS-S/None calibration observation we will measure the coupled spatial structure (5 arc second) and spectral structure (resolution of 100 at 1 keV). These results can for the first time directly determine whether or not a cooling flow is associated with the central region of HYDRA A rather than merely showing consistency as demonstrated by prior measurements with ROSAT and ASCA and recent interpretations of Chandra ACIS-S/None imaging observations.

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