XMM-Newton Proposal 02050102

Details XMM-Newton Proposal 02050102 XMM-Newton Proposal 02050102

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..265i&link_type=abstract

XMM-Newton Proposal ID #02050102

Physics

Ngc4278, Ngc4526, Xmm-Newton Proposal 02050102

Scientific paper

Recent studies have found that a large fraction of LMXBs within elliptical galaxies reside within globular clusters, prompting claims that all LMXBs are formed within globular clusters. If so, the total X-ray luminosity emanating from LMXBs should scale directly with the globular cluster specific frequency, S_N. Conversely, if there is a significant field-born population of LMXBs this relation will be flatter. We have begun a program to test this claim, but we need to observe galaxies with high values of S_N to confirm our findings. We propose observations of NGC4278 (S_N8.7) and NGC4526 (S_N7.7), two nearby gas-poor galaxies with high well-constrained values of S_N. These observations will put stringent constraints on the field-born population of LMXBs in galaxies.

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