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The Globular Cluster System of NGC 5128: Ages, Metallicities, Kinematics, and Structural Parameters
Kristin A. Woodley, Matias Gomez
We review our recent studies of the globular cluster system of NGC 5128. First, we have obtained low-resolution, high signal-to-noise spectroscopy of 72 globular clusters using Gem…
Long Term Monitoring of the Dynamics and Particle Acceleration of Knots in the Jet of Centaurus A
J. L. Goodger, M. J. Hardcastle, J. H. Croston +16
We present new and archival multi-frequency radio and X-ray data for Centaurus A obtained over almost 20 years at the VLA and with Chandra, with which we measure the X-ray and radi…
The Ages, Metallicities and Alpha Element Enhancements of Globular Clusters in the Elliptical NGC 5128: A Homogeneous Spectroscopic Study with Gemini/GMOS
Kristin A. Woodley, William E. Harris, Thomas H. Puzia +3
We present new integrated light spectroscopy of globular clusters (GCs) in NGC 5128 in order to measure radial velocities and derive ages, metallicities, and alpha-element abundanc…
Luminosity functions of LMXBs in Centaurus A: globular clusters versus the field
R. Voss, M. Gilfanov, G. R. Sivakoff +16
We study the X-ray luminosity function (XLF) of low mass X-ray binaries (LMXB) in the nearby early-type galaxy Centaurus A, concentrating primarily on two aspects of binary populat…
High-energy particle acceleration at the radio-lobe shock of Centaurus A
J. H. Croston, R. P. Kraft, M. J. Hardcastle +19
We present new results on the shock around the southwest radio lobe of Centaurus A using data from the Chandra Very Large Programme observations. The X-ray spectrum of the emission…