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Related papers: pyCallisto: A Python Library To Process The CALLIS…

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Machine Learning (ML) has seen massive progress in the last decade and as a result, there is a pressing need for validating ML-based systems. To this end, we propose, design and evaluate CALLISTO - a novel test generation and data quality…

Machine Learning · Computer Science 2019-12-20 Sakshi Udeshi , Xingbin Jiang , Sudipta Chattopadhyay

The CELESTE experiment will be an Atmospheric Cherenkov detector designed to bridge the gap in energy sensitivity between current satellite and ground-based gamma-ray telescopes, 20 to 300 GeV. We present test results made at the former…

Line observations of young stellar objects (YSOs) at (sub)millimeter wavelengths provide essential information of gas kinematics in star and planet forming environments. For Class 0 and I YSOs, identification of Keplerian rotation is of…

Earth and Planetary Astrophysics · Physics 2023-11-15 Yusuke Aso , Jinshi Sai

Low-frequency (80-240 MHz) radio observations of the solar corona are presented using the Murchison Widefield Array (MWA), and several discoveries are reported. The corona is reviewed, followed by chapters on Type III bursts and…

Solar and Stellar Astrophysics · Physics 2019-12-05 Patrick I. McCauley

This paper investigates the incidence of coherent emission in solar radio bursts, using a revised catalog of 3800 solar radio bursts observed by the Nobeyama Radio Polarimeters from 1988 to 2023. We focus on the 1.0 and 2.0 GHz data, where…

As camera pixel arrays have grown larger and faster, and optical microscopy techniques ever more refined, there has been an explosion in the quantity of data acquired during routine light microcopy. At the single-molecule level, analysis…

Biomolecules · Quantitative Biology 2021-07-07 Jack W Shepherd , Ed J Higgins , Adam J M Wollman , Mark C Leake

Solar radio bursts can provide important insights into the underlying physical mechanisms that drive the small and large-scale eruptions on the Sun. Since metric radio observations can give us direct observational access to the inner and…

Solar and Stellar Astrophysics · Physics 2025-07-09 A. Kumari , D. E. Morosan , V. Mugundhan , P. Zhang , J. Magdalenic , P. Zucca , E. K. J. Kilpua , F. Daei

The Cosmology Large Angular Scale Surveyor (CLASS) is an array of polarization-sensitive millimeter wave telescopes that observes ~70% of the sky at frequency bands centered near 40GHz, 90GHz, 150GHz, and 220GHz from the Atacama desert of…

The high kinetic energy electrons that populate the Earth's radiation belts emit synchrotron emissions because of their interaction with the planetary magnetic field. A lunar near side array would be uniquely positioned to image this…

The stellar occultation technique provides competitive accuracy in determining the sizes, shapes, astrometry, etc., of the occulting body, comparable to in-situ observations by spacecraft. With the increase in the number of known Solar…

Instrumentation and Methods for Astrophysics · Physics 2022-01-19 A. R. Gomes-Júnior , B. E. Morgado , G. Benedetti-Rossi , R. C. Boufleur , F. L. Rommel , M. V. Banda-Huarca , Y. Kilic , F. Braga-Ribas , B. Sicardy

Recent discoveries of highly dispersed millisecond radio bursts by Thornton et al. in a survey with the Parkes radio telescope at 1.4 GHz point towards an emerging population of sources at cosmological distances whose origin is currently…

High Energy Astrophysical Phenomena · Physics 2015-06-16 D. R. Lorimer , A. Karastergiou , M. A. McLaughlin , S. Johnston

The Python Sky Model (PySM) is a Python package used by Cosmic Microwave Background (CMB) experiments to simulate maps, in HEALPix pixelization, of the various diffuse astrophysical components of Galactic emission relevant at CMB…

Instrumentation and Methods for Astrophysics · Physics 2021-11-03 Andrea Zonca , Ben Thorne , Nicoletta Krachmalnicoff , Julian Borrill

The Challan instrument is a solar full-disk imaging spectroscopic telescope planned to be installed at three sites with a 120-degree longitudinal difference, enabling continuous 24-hour observations of the Sun. It will take data every 2.5…

The Solar Simulations for the Atacama Large Millimeter Observatory Network (SSALMON) was initiated in 2014 in connection with two ALMA development studies. The Atacama Large Millimeter/submillimeter Array (ALMA) is a powerful new tool,…

The purpose of this work is to demonstrate the effectiveness of ground-based support for space missions, primarily PSP, using large Ukrainian decameter radio telescopes. Another goal of the work is to carry out cross calibration of the…

Solar and Stellar Astrophysics · Physics 2023-07-07 Vladimir Dorovskyy , Valentin Melnik , Anatolii Brazhenko

Radio observations grant access to a wide range of physical processes through different emission mechanisms. These processes range from thermal and quiescent to eruptive phenomena, such as shock waves and particle beams. We present a new…

The small mission A-STAR (All-Sky Transient Astrophysics Reporter) aims to locate the X-ray counterparts to ALIGO and other gravitational wave detector sources, to study the poorly-understood low luminosity gamma-ray bursts, and to find a…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 J. P. Osborne , P. O'Brien , P. Evans , G. W. Fraser , A. Martindale , J. -L. Atteia , B. Cordier , S. Mereghetti

We developed the pycraf Python package, which provides functions and procedures for various tasks related to spectrum-management compatibility studies. This includes an implementation of ITU-R Rec. P.452, which allows to calculate the path…

Instrumentation and Methods for Astrophysics · Physics 2018-05-30 B. Winkel , A. Jessner

We present a statistical study on the observed solar radio burst emission associated with the origin of in situ detected solar energetic particles. Several proton event catalogs in the period 1996$-$2016 are used. At the time of appearance…

Solar and Stellar Astrophysics · Physics 2017-11-28 Rositsa Miteva , Susan W. Samwel , Vratislav Krupar

Goldstone Apple Valley Radio Telescope (GAVRT) is a science education partnership among NASA, the Jet Propulsion Laboratory (JPL), and the Lewis Center for Educational Research (LCER), offering unique opportunities for K -12 students and…

Solar and Stellar Astrophysics · Physics 2020-08-19 T. Velusamy , T. B. H Kuiper , S. M. Levin R. Dorcey , N. Kreuser-Jenkins , J. Leflang
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