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A 'bang' in LIGO and Virgo detectors signals most massive gravitational wave source yet（图）
bang LIGO Virgo detectors signals massive gravitational source yet
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2020/9/4
For all its vast emptiness, the universe is humming with activity in the form of gravitational waves. Produced by extreme astrophysical phenomena, these reverberations ripple forth and shake the fabri...
Compact continuum source-finding for next generation radio surveys
image processing catalogues surveys continuum
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2012/2/24
We present a detailed analysis of four of the most widely used radio source finding packages in radio astronomy, and a program being developed for the Australian Square Kilometer Array Pathfinder (ASK...
CANGAROO-III observation of TeV gamma rays from the unidentified gamma-ray source HESS J1614-518
CANGAROO-III observation unidentified gamma-ray source HESS J1614-518
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2011/10/12
We report the detection, with the CANGAROO-III imaging atmospheric Cherenkov telescope array, of a very high energy gamma-ray signal from the unidentified gamma-ray source HESS J1614-518, which was di...
The need for a local source of UHE CR nuclei
local source UHE CR nuclei
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2011/9/30
Recent results of the Pierre Auger (Auger) fluorescence detectors indicate an increasingly heavy composition of ultra-high energy (UHE) cosmic rays (CRs). Assuming that this trend continues up to the ...