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Discovery of the Third Transient X-ray Binary in the Galactic Globular Cluster Terzan 5
Arash Bahramian, Craig O. Heinke, Gregory R. Sivakoff +7
We report and study the outburst of a new transient X-ray binary (XRB) in Terzan 5, the third detected in this globular cluster, Swift J174805.3-244637 or Terzan 5 X-3. We find cle…
The neutron star transient and millisecond pulsar in M28: from sub-luminous accretion to rotation-powered quiescence
Manuel Linares, Arash Bahramian, Craig Heinke +6
The X-ray transient IGR J18245-2452 in the globular cluster M28 contains the first neutron star (NS) seen to switch between rotation-powered and accretion-powered pulsations. We an…
Stellar Encounter Rate in Galactic Globular Clusters
Arash Bahramian, Craig O. Heinke, Gregory R. Sivakoff +1
The high stellar densities in the cores of globular clusters cause significant stellar interactions. These stellar interactions can produce close binary mass-transferring systems i…