- Implications of the Globular Cluster/X-ray Binary Correlations
- AAS/High Energy Astrophysics Division
- Pages (from-to)
- Document type
- Faculty of Science (FNWI)
- Anton Pannekoek Institute for Astronomy (API)
We will discuss implications of correlations between the X-ray and optical properties of globular clusters in early-type galaxies. The probability that a globular cluster contains an X-ray binary depends primarily on the cluster's mass and metallicity, with at most weak dependences on its age. The X-ray properties of the globular cluster X-ray sources also show a dependence on metallicity, with the metal poor clusters hosting sources with systematically harder X-ray spectra than the metal rich clusters.
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