Ellipticals with Very Discrepant Gaseous & Stellar Abundances

Details Ellipticals with Very Discrepant Gaseous & Stellar Abundances Ellipticals with Very Discrepant Gaseous & Stellar Abundances

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop...48w&link_type=abstract

Chandra Proposal ID #01600380

Computer Science

Chandra Proposal Id #01600380

Scientific paper

We propose AXAF ACIS observations of the two brightest elliptical galaxies which have very low metal abundance determinations (~0.1 solar) for their X-ray emitting gas. Both galaxies have high quality optically determined stellar abundance profiles, indicating ~solar central stellar abundances. The high spatial and spectral resolution of AXAF ACIS observations will allow us to directly compare the metal abundance of the X-ray emitting gas to the stellar metallicity at a range of radii within the optical half light radii. This is a companion proposal to one in which the target galaxies have a much smaller disparity in their measured stellar and gaseous abundances.

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