Are the X-Ray Binaries in S0 Galaxies Different From Those in Ellipticals?

Details Are the X-Ray Binaries in S0 Galaxies Different From Those in Ellipticals? Are the X-Ray Binaries in S0 Galaxies Different From Those in Ellipticals?

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cxo..prop.2473s&link_type=abstract

Chandra Proposal ID #09620092

Computer Science

Chandra Proposal Id #09620092

Scientific paper

Chandra images of X-ray faint ellipticals (Es) resolved them into low mass X-ray binaries (LMXBs) plus some emission from ISM. We propose Chandra observations of three X-ray faint S0 galaxies for comparison to ellipticals. We will derive the luminosity functions (LF) of LMXBs and compare to Es; LFs provide direct evidence of the history of massive star formation and a measure of the relative numbers of NS and BH binaries. We will search for variability, limiting the duty cycle of LMXBs. We will hunt for luminous X-ray flares which may be due to microblazars. We expect ~80 LMXBs in globular clusters; we will compare these with similar sources in Es, which can constrain the formation mechanism of field LMXBs. The amount, distribution, and spectrum of any ISM gas emission will be derived.

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