NGC 1705: Testing the Paradigm of the Wind-Driven Evolution of Dwarf Galaxies

Details NGC 1705: Testing the Paradigm of the Wind-Driven Evolution of Dwarf Galaxies NGC 1705: Testing the Paradigm of the Wind-Driven Evolution of Dwarf Galaxies

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1239h&link_type=abstract

Chandra Proposal ID #04600352

Physics

Chandra Proposal Id #04600352

Scientific paper

Dwarf galaxies are the galaxies most susceptible to energetic feedback from massive stars, and are the most plausible sources of the early heating and enrichment of the IGM by galactic winds. X-ray data are vital to study this process, as they are the most direct probe of the hot gas that contains the majority of the outflowing energy and metals. NGC 1705 is the prototypical example of a starburst-blown superbubble "blowing-out" of the ISM. We propose to obtain Chandra ACIS-S imaging spectroscopy of this galaxy. In conjunction with our existing FUSE and HST far-UV spectroscopy, these data will directly test the standard paradigm for the dynamical evolution of superbubbles and winds in dwarf galaxies and elucidate the physical origin and long-term fate of the hot X-ray-emitting gas.

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