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54 papers · 1 filter
Multiwavelength observations of GRB 110731A: GeV emission from onset to afterglow
LAT Collaboration, GBM Collaboration, Swift Collaboration +2
We report on the multiwavelength observations of the bright, long gamma-ray burst \GRB, by the \Fermi and \Swift observatories, and by the MOA and GROND optical telescopes. The ana…
Constraints on Cosmology from the Cosmic Microwave Background Power Spectrum of the 2500 SPT-SZ Survey
Z. Hou, C. L. Reichardt, K. T. Story +49
We explore extensions to the CDM cosmology using measurements of the cosmic microwave background (CMB) from the recent SPT-SZ survey, along with data from WMAP7 and measurements…
Quasi-Periodic Oscillations and broadband variability in short magnetar bursts
Daniela Huppenkothen, Anna L. Watts, Phil Uttley +7
The discovery of quasi-periodic oscillations (QPOs) in magnetar giant flares has opened up prospects for neutron star asteroseismology. However, with only three giant flares ever r…
A new low-B magnetar: Swift J1822.3-1606
A. Camero-Arranz, N. Rea, G. L. Israel +16
We report on the long term X-ray monitoring with Swift, RXTE, Suzaku, Chandra, and XMM-Newton of the outburst of the newly discovered magnetar Swift J1822.3-1606 (SGR 182-1606), fr…
On the X-ray emission mechanisms of the persistent source and very low-fluence bursts of SGR J0501+4516
Lin Lin, Ersin Gogus, Tolga Guver +1
We present here a detailed spectral study of the X-ray emission of the persistent source and the low-fluence bursts of SGR J0501+4516 observed during a deep XMM-Newton observation…
Measurements of the Sun's High Latitude Meridional Circulation
Lisa Rightmire-Upton, David H. Hathaway, Katie Kosak
The meridional circulation at high latitudes is crucial to the build-up and reversal of the Sun's polar magnetic fields. Here we characterize the axisymmetric flows by applying a m…