Mapping out the hot gas outflow from the M31 bulge

Details Mapping out the hot gas outflow from the M31 bulge Mapping out the hot gas outflow from the M31 bulge

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cxo..prop.2846w&link_type=abstract

Chandra proposal ID #11610210

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The hot gas outflow from the galactic bulge of M31 was discovered recently, which is driven primarily by Type Ia SNe. To quantify the morphological, thermal, and dynamical properties of this outflow along the minor axis of the galaxy, we propose four ACIS observations to obtain X-ray data with substantially improved spatial resolution, sensitivity, and field coverage. We will map out the overall X-ray morphology and substructure of the outflow, characterize its spectral properties, and distinguish X-ray emission and/or absorption features caused by spiral arms. The results will test our understanding of the galactic bulge energy and mass feedback and will provide badly-needed insights into similar phenomena observed in the Milky Way and other galaxies.

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