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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,657 papers · 148 categories

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0111 · Sep 201919922001200920172026
3 results for “ASKAP”
Evolutionary Map of the Universe (EMU):Compact radio sources in the SCORPIO field towards the Galactic planeastro-ph.GA

ASKAP observes a region of the Galactic plane, identifying 3963 radio sources.

problem Characterizing radio sources in the Galactic plane using ASKAP observations.
method 912 MHz observations with 15 ASKAP antennas, source characterization using CAESAR.
result Differential source counts in agreement with previous surveys, spectral index estimation for sources.
ASKAPGalactic planeradio sourcessource characterizationspectral index
2021-01-11abs ↗pdf ↗
CAESAR source finder: recent developments and testingastro-ph.IM

A new era in radioastronomy will begin with the upcoming large-scale surveys planned at the Australian Square Kilometre Array Pathfinder (ASKAP). ASKAP started its Early Science program in October 2017 and several target fields were observed during the array commissioning phase. The SCORPIO field was the first observed…

2019-09-13abs ↗pdf ↗
Classification of compact radio sources in the Galactic plane with supervised machine learningastro-ph.IM

Classifies compact radio sources in the Galactic plane using machine learning.

problem Challenges in processing large volumes of radio continuum survey data.
method Produced a curated dataset of ~20,000 images, trained two classifiers: gradient-boosted decision trees and convolutional neural networks.
result High classification accuracy (F1-score>90%) for separating Galactic objects from the extragalactic background.
radio astronomymachine learningclassificationcompact sourcesGalactic plane
2024-02-23abs ↗pdf ↗