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Discovery of an Energetic 38.5 ms Pulsar Powering the Gamma-ray Source IGR J18490-0000/HESS J1849-000
E. V. Gotthelf, J. P. Halpern, R. Terrier +1
We report the discovery of a 38.5 ms X-ray pulsar in observations of the soft gamma-ray source IGR J18490-0000 with the Rossi X-ray Timing Explorer (RXTE). PSR J1849-0001 is spinni…
Modeling the Surface X-ray Emission and Viewing Geometry of PSR J0821-4300 in Puppis A
E. V. Gotthelf, R. Perna, J. P. Halpern
We show that a pair of thermal, antipodal hot-spots on the neutron star surface is able to fully account for the pulsar's double blackbody spectrum and energy-dependent pulse profi…
An Energetic Magnetar in HESS J1713-381/CTB 37B
J. P. Halpern, E. V. Gotthelf
We obtained a second Chandra timing measurement of the 3.82 s pulsar CXOU J171405.7-381031 in the supernova remnant (SNR) CTB 37B, which shows that it is spinning down rapidly. The…
Post-outburst Observations of the Magnetically Active Pulsar J1846-0258: a new braking index, increased timing noise, and radiative recovery
Margaret A. Livingstone, C. -Y. Ng, Victoria M. Kaspi +2
The ~800 yr-old pulsar J1846-0258 is a unique transition object between rotation-powered pulsars and magnetars: though behaving like a rotation-powered pulsar most of the time, in…
Detection of the energetic pulsar PSR B1509-58 and its pulsar wind nebula in MSH 15-52 using the Fermi-Large Area Telescope
LAT Collaboration, Pulsar Timing Consortium
We report the detection of high energy gamma-ray emission from the young and energetic pulsar PSR B150958 and its pulsar wind nebula (PWN) in the composite supernova remnant SNR…
Observations of the Large Magellanic Cloud with Fermi
LAT collaboration, A. A. Abdo
Context: The Large Magellanic Cloud (LMC) is to date the only normal external galaxy that has been detected in high-energy gamma rays. High-energy gamma rays trace particle acceler…