Chandra Observations of a Different Class of Elliptical Galaxies

Details Chandra Observations of a Different Class of Elliptical Galaxies Chandra Observations of a Different Class of Elliptical Galaxies

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000cxo..prop..646z&link_type=abstract

Chandra Proposal ID #02600824

Physics

Chandra Proposal Id #02600824

Scientific paper

Recent HST results suggest that elliptical galaxies can be divided into two classes: those with steeply rising stellar density profiles within the central kpc (`power law' galaxies) and those with flattened cores (`core' galaxies). Only one `power law' galaxy is scheduled to be observed with Chandra . By obtaining imaging of three nearby ``power law'' galaxies, a sample more representative of most ellipticals than the current target list, we will address whether 1) the gas traces the potential as defined by the stars in `power law' ellipticals, 2) there is X-ray evidence that black holes are responsible for the flattened cores of some bright ellipticals, and 3) X-ray binaries contribute substantially to the X-ray flux of `power law' and `core' galaxies.

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