Kim et al. combine Chandra and HST data to examine the relationship between LMXBs and Globular Clusters in 6 Elliptical galaxies. They confirm that the probability of a GC containing a LMXB correlates with metallicity and also find a correlation with galactocentric distance.
Dravins et al. discuss the design of an optical instrument designed to search for variability on nanosecond scales and planned for the 100m-class OWL telescope.
Kashlinsky et al. use fluctuations in the background of a deep Spitzer observation to find evidence for Pop III stars.
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