Population Studies of Dwarf Galaxies

Details Population Studies of Dwarf Galaxies Population Studies of Dwarf Galaxies

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..889t&link_type=abstract

Chandra Proposal ID #03600450

Physics

Chandra Proposal Id #03600450

Scientific paper

Chandra observations have revealed different luminosity functions for elliptical and spiral galaxies, and even between the bulge and disk of a spiral. The luminosity function can be produced by a birth-death model, with the luminosity break being a consequence of either a star-formation epoch in the near past or piling up of Eddington-limited accreting neutron stars. The model predicts more sources in active galactic environments, while undistributed galaxies host mainly primordial binaries. We propose to observe 3 dwarf galaxies. Our objectives are to verify the prediction of the birth-death model, and to quantify the difference between the properties of X-ray binary populations in dwarf and normal galaxies.

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