Observations of a nearby filament of galaxy clusters with the Sardinia Radio Telescope [PDF]
Monthly notices of the Royal Astronomical Society, 2018 We report the detection of diffuse radio emission which might be connected to a large-scale filament of the cosmic web covering a 8deg x 8deg area in the sky, likely associated with a z~0.1 over-density traced by nine massive galaxy clusters.
V. Vacca +31 more
semanticscholar +1 more source
First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole [PDF]
, 2019 When surrounded by a transparent emission region, black holes are expected to reveal a dark shadow caused by gravitational light bending and photon capture at the event horizon.
The Event Horizon Telescope Collaboration
semanticscholar +1 more source
Effect of Parasitic Element on 408 MHz Antenna for Radio Astronomy Application
International Journal of Antennas and Propagation, 2014 Antenna is one of the important subsystem components in a radio telescope system. In this paper, analysis on the effect of parasitic element on 408 MHz antenna in a radio telescope system is presented.
Radial Anwar +5 more
doaj +1 more source
A Construction of the Real Time Monitoring System of the Solar Radio Disturbance: II. 2.8GHz Radio Receiver and Radio Environment [PDF]
Journal of Astronomy and Space Sciences, 2008 As the second step of the real time monitoring system of the solar radio disturbance, we constructed a 2.8 GHz radio receiver with 500 MHz bandwith.
Yonggi Kim +3 more
doaj +1 more source
Optimized Trigger for Ultra-High-Energy Cosmic-Ray and Neutrino Observations with the Low Frequency Radio Array [PDF]
, 2011 When an ultra-high energy neutrino or cosmic ray strikes the Lunar surface a radio-frequency pulse is emitted. We plan to use the LOFAR radio telescope to detect these pulses.
Anderson, J. M. +102 more
core +7 more sources
A Construction of the Real Time Monitoring System of the Solar Radio Disturbance [PDF]
Journal of Astronomy and Space Sciences, 2004 As the first step of the real time monitoring system of the solar radio disturbance, we constructed the control system of the solar radio telescope.
Joh-Na Yoon +3 more
doaj +1 more source
Sparse Image Reconstruction for the SPIDER Optical Interferometric Telescope
, 2021 The concept of a recently proposed small-scale interferometric optical imaging device, an instrument known as the Segmented Planar Imaging Detector for Electro-optical Reconnaissance (SPIDER), is of great interest for its possible applications in ...
McEwen, Jason D., Pratley, Luke
core +1 more source
Fermi Large Area Telescope Observations of Misaligned AGN [PDF]
, 2010 Analysis is presented on 15 months of data taken with the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope for 11 non-blazar AGNs, including 7 FRI radio galaxies and 4 FRII radio sources consisting of 2 FRII radio galaxies and 2 steep ...
A. A. Abdo +218 more
core +4 more sources
On the origin of 140 GHz emission from the 4 July 2012 solar flare [PDF]
, 2016 The sub-THz event observed on the 4 July 2012 with the Bauman Moscow State Technical University Radio Telescope RT-7.5 at 93 and 140~GHz as well as Kislovodsk and Mets\"ahovi radio telescopes, Radio Solar Telescope Network (RSTN), GOES, RHESSI, and SDO ...
Akabane +39 more
core +2 more sources
Commensal observing with the Allen Telescope array: software command and control
, 2010 The Allen Telescope Array (ATA) is a Large-Number-Small-Diameter radio telescope array currently with 42 individual antennas and 5 independent back-end science systems (2 imaging FX correlators and 3 time domain beam formers) located at the Hat Creek ...
Ackermann, Robert +8 more
core +1 more source