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The LOFAR LBA Sky Survey I. survey description and preliminary data release
F. de Gasperin, W. L. Williams, P. Best +38
LOFAR is the only radio telescope that is presently capable of high-sensitivity, high-resolution (<1 mJy/b and <15") observations at ultra-low frequencies (<100 MHz). To utilise th…
Cygnus survey with the Giant Metrewave Radio Telescope at 325 and 610 MHz: the catalog
Paula Benaglia, C. H. Ishwara-Chandra, Huib Intema +2
Context: Observations at the radio continuum band below the gigahertz band are key when the nature and properties of nonthermal sources are investigated because their radio radiati…
Probabilistic direction-dependent ionospheric calibration for LOFAR-HBA
J. G. Albert, R. J. van Weeren, H. T. Intema +1
Direction dependent calibration and imaging is a vital part of producing deep, high fidelity, high-dynamic range radio images with a wide-field low-frequency array like LOFAR. Curr…
A probabilistic approach to direction-dependent ionospheric calibration
J. G. Albert, M. S. S. L. Oei, R. J. van Weeren +2
Calibrating for direction-dependent ionospheric distortions in visibility data is one of the main technical challenges that must be overcome to advance low-frequency radio astronom…
Scalability Model for the LOFAR Direction Independent Pipeline
A. P. Mechev, T. W. Shimwell, A. Plaat +3
LOFAR is a leading aperture synthesis telescope operated in the Netherlands with stations across Europe. The LOFAR Two-meter Sky Survey (LoTSS) will produce more than 3000 14 TB da…
GMRT Archive Processing Project
Shubhankar Deshpande, Yogesh Wadadekar, Huib Intema +7
The GMRT Online Archive now houses over 120 terabytes of interferometric observations obtained with the GMRT since the observatory began operating as a facility in 2002. The utilit…