NGC1404: Interaction with Fornax Gas, Cooling Flows, and the Metallicity Problem

Details NGC1404: Interaction with Fornax Gas, Cooling Flows, and the Metallicity Problem NGC1404: Interaction with Fornax Gas, Cooling Flows, and the Metallicity Problem

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..897i&link_type=abstract

Chandra Proposal ID #03600865

Computer Science

Chandra Proposal Id #03600865

Scientific paper

We propose a 30 ksec ACIS-S observation of NGC1404. Its small projected distance from the center of Fornax makes it a prime candidate for studying the interaction of galactic X-ray gas with cluster gas. We will search for a bow shock-like structure on the side of NGC~1404 facing Fornax and also derive temperature information on an elongated tail on the opposite side of the galaxy. We will compare the cooling rate of the central gas with limits set by FUSE and search for evidence of a rotating cooling flow. We will investigate why the X-ray temperature is much greater than the stellar velocity dispersion temperature, as well as derive detailed temperature and metallicity maps. Finally, we will determine if the metallicity of the gas is truly as low as previous studies have indicated.

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