The Spectral Properties of Low Mass X-Ray Binaries in NGC4278

Details The Spectral Properties of Low Mass X-Ray Binaries in NGC4278 The Spectral Properties of Low Mass X-Ray Binaries in NGC4278

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21343213l&link_type=abstract

American Astronomical Society, AAS Meeting #213, #432.13; Bulletin of the American Astronomical Society, Vol. 41, p.300

Astronomy and Astrophysics

Astronomy

Scientific paper

We will present the initial findings of an investigation into the spectra of X-ray binary systems associated with globular clusters (GC) in the nearby elliptical galaxy NGC4278. The system was observed with Chandra ACIS-S over 6 separate pointings for a total of 458 ks allowing us to probe the low mass binary (LMXB) population down to 1037 erg/s.
From optical observations, performed with WFPC2 on board the Hubble Space Telescope, 266 GC's have been identified, 43 of which have been determined to be GC-LMXB coincident.
Here we present the average X-ray spectral properties of these sources where we have investigated this population by dividing the sources into X-ray luminosity bins as well as separating the sources into GC colours.

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