Galactic Fountains and Supernovae in NGC 891

Details Galactic Fountains and Supernovae in NGC 891 Galactic Fountains and Supernovae in NGC 891

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop...74b&link_type=abstract

Chandra Proposal ID #01600497

Computer Science

Chandra Proposal Id #01600497

Scientific paper

Superbubble breakout is thought to be the central process in releasing metal-rich gas from the disk to the halo of spiral galaxies. Hot X-ray emitting halos were detected around a few edge-on spirals, lending support to this picture, although the gaseous mass was less than anticipated. The proposed observation of the edge-on spiral NGC 891 will answer several fundamental issues: identifying regions of superbubble breakout; testing whether the gas is flowing up as a "fountain"; and determining if accretion onto the galaxy occurs. Also, we can determine the shape of the gravitating mass of this spiral by measuring the temperature distribution of the halo gas. Finally, we will continue our study of SN 1986J, defining its evolution and discriminating between competing models.

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