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15 papers · 1 filter
Ground-based calibration and characterization of the Fermi Gamma-Ray Burst Monitor Detectors
Elisabetta Bissaldi, Andreas von Kienlin, Giselher G. Lichti +18
One of the scientific objectives of NASA's Fermi Gamma-ray Space Telescope is the study of Gamma-Ray Bursts (GRBs). The Fermi Gamma-Ray Burst Monitor (GBM) was designed to detect a…
Late time observations of GRB080319B: jet break, host galaxy and accompanying supernova
Nial R. Tanvir, Evert Rol, Andrew Levan +15
The Swift discovered GRB080319B was by far the most distant source ever observed at naked eye brightness, reaching a peak apparent magnitude of 5.3 at a redshift of z=0.937. We pre…
Multiwavelength study of the bright X-ray source population in the interacting galaxies NGC5774/NGC5775
Kajal K. Ghosh, Douglas A. Swartz, Allyn F. Tennant +5
A few nearby interacting galaxies are known that host elevated number of ultraluminous X-ray sources. Here we report the results of a multiwavelength study of the X-ray source popu…
A QSO plus host system lensed into a 6" Einstein ring by a low redshift galaxy
Kajal K Ghosh, D. Narasimha
We report the serendipitous discovery of an "Einstein Ring" in the optical band from the Sloan Digital Sky Survey (SDSS) data and associated four images of a background source. The…
Galaxy clusters discovered with a Sunyaev-Zel'dovich effect survey
Z. Staniszewski, P. A. R. Ade, K. A. Aird +41
The South Pole Telescope (SPT) is conducting a Sunyaev-Zel'dovich (SZ) effect survey over large areas of the southern sky, searching for massive galaxy clusters to high redshift. I…
Application of a Self-Similar Pressure Profile to Sunyaev-Zel'dovich Effect Data from Galaxy Clusters
T. Mroczkowski, M. Bonamente, J. E. Carlstrom +16
We investigate the utility of a new, self-similar pressure profile for fitting Sunyaev-Zel'dovich (SZ) effect observations of galaxy clusters. Current SZ imaging instruments - such…