Resolving the X-Ray Binary Population in Early-Type Galaxies

Details Resolving the X-Ray Binary Population in Early-Type Galaxies Resolving the X-Ray Binary Population in Early-Type Galaxies

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..877s&link_type=abstract

Chandra Proposal ID #03600029

Computer Science

Chandra Proposal Id #03600029

Scientific paper

Our Chandra image of NGC4697 resolved this X-ray faint elliptical into low mass X-ray binaries (LMXBs), plus a small fraction (23%) from ISM gas. New Chandra observations will spatially resolve the emission from 3 more X-ray faint early-type galaxies. We will determine the luminosity functions of LMXBs, which provide direct evidence of the history of massive star formation, and a measure of the relative numbers of NS and BH binaries. We will detect ~15 supersoft sources, and ~40 LMXBs in globular clusters. The total X-ray spectra of the sources and colors for individual sources will be used to constrain models for LMXBs. The amount, distribution, and X-ray spectrum of any ISM gas emission will be derived, and the luminosities, temperatures, and abundances compared to X-ray bright galaxies.

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