activity
20082026
most citedThe international pulsar timing array project: using pulsars as a gravitational wave detector

693 citations · 8k across the 196 of their papers we have counts for

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Showing 2013Show all

5 papers · 1 filter

astro-ph.HE2013★ 17 cited

An updated list of AGILE bright gamma-ray sources and their variability in pointing mode

F. Verrecchia, C. Pittori, A. W. Chen +76

We present a variability study of a sample of bright gamma-ray (30 MeV -- 50 GeV) sources. This sample is an extension of the first AGILE catalogue of gamma-ray sources (1AGL), obt…

astro-ph.IM2013★ 20 cited

Calibration of AGILE-GRID with In-Flight Data and Monte Carlo Simulations

Andrew W. Chen, A. Argan, A. Bulgarelli +57

Context: AGILE is a gamma-ray astrophysics mission which has been in orbit since 23 April 2007 and continues to operate reliably. The gamma-ray detector, AGILE-GRID, has observed G…

astro-ph.IM2013★ 161 cited

Calibrating High-Precision Faraday Rotation Measurements for LOFAR and the Next Generation of Low-Frequency Radio Telescopes

C. Sotomayor-Beltran, C. Sobey, J. W. T. Hessels +77

Faraday rotation measurements using the current and next generation of low-frequency radio telescopes will provide a powerful probe of astronomical magnetic fields. However, achiev…

astro-ph.HE2013★ 43 cited

Gamma-ray observations of Cygnus X-1 above 100 MeV in the hard and soft states

S. Sabatini, M. Tavani, P. Coppi +19

We present the results of multi-year gamma-ray observations by the AGILE satellite of the black hole binary system Cygnus X-1. In a previous investigation we focused on gamma-ray o…

astro-ph.SR2013★ 32 cited

Differential Frequency-dependent Delay from the Pulsar Magnetosphere

T. E. Hassall, B. W. Stappers, P. Weltevrede +60

Some radio pulsars show clear drifting subpulses, in which subpulses are seen to drift in pulse longitude in a systematic pattern. Here we examine how the drifting subpulses of PSR…