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19972026
Showing 2020 · astro-ph.IMShow all

13 papers · 2 filters

astro-ph.IM2020

JUDE (Jayant's UVIT Data Explorer) Pipeline User Manual

P T Rahna, Jayant Murthy, Margarita Safonova

We have written a reference manual to use JUDE (Jayant's UVIT data Explorer) data pipeline software for processing and reducing the Ultraviolet Imaging Telescope (UVIT) Level~1 dat…

astro-ph.IM2020★ 53 cited

Square Kilometre Array Science Data Challenge 1: analysis and results

A. Bonaldi, T. An, M. Bruggen +42

As the largest radio telescope in the world, the Square Kilometre Array (SKA) will lead the next generation of radio astronomy. The feats of engineering required to construct the t…

astro-ph.IM2020★ 10 cited

The Impact of Tandem Redundant/Sky-Based Calibration in MWA Phase II Data Analysis

Zheng Zhang, Jonathan C. Pober, Wenyang Li +26

Precise instrumental calibration is of crucial importance to 21-cm cosmology experiments. The Murchison Widefield Array's (MWA) Phase II compact configuration offers us opportuniti…

astro-ph.IM2020★ 2 cited

Launching the VASCO citizen science project

Beatriz Villarroel, Kristiaan Pelckmans, Enrique Solano +25

The Vanishing & Appearing Sources during a Century of Observations (VASCO) project investigates astronomical surveys spanning a time interval of 70 years, searching for unusual and…

astro-ph.IM2020★ 8 cited

The optimization of satellite orbit for Space-VLBI observation

Lei Liu, Weimin Zheng

By sending one or more telescopes into space, Space-VLBI (SVLBI) is able to achieve even higher angular resolution and is therefore the trend of the VLBI technique. For SVLBI progr…

astro-ph.IM2020★ 1 cited

Periodic Astrometric Signal Recovery through Convolutional Autoencoders

Michele Delli Veneri, Louis Desdoigts, Morgan A. Schmitz +8

Astrometric detection involves a precise measurement of stellar positions, and is widely regarded as the leading concept presently ready to find earth-mass planets in temperate orb…

astro-ph.IM2020★ 21 cited

21st Century Statistical and Computational Challenges in Astrophysics

Eric D. Feigelson, Rafael S. de Souza, Emille E. O. Ishida +1

Modern astronomy has been rapidly increasing our ability to see deeper into the universe, acquiring enormous samples of cosmic populations. Gaining astrophysical insights from thes…

astro-ph.IM2020★ 1 cited

Space VLBI 2020: Science and Technology Futures Conference Summary

T. Joseph W. Lazio, Walter Brisken, Katherine Bouman +8

The "Space VLBI 2020: Science and Technology Futures" meeting was the second in The Future of High-Resolution Radio Interferometry in Space series. The first meeting (2018 Septembe…

astro-ph.IM2020★ 6 cited

SYMBA: An end-to-end VLBI synthetic data generation pipeline

F. Roelofs, M. Janssen, I. Natarajan +203

Realistic synthetic observations of theoretical source models are essential for our understanding of real observational data. In using synthetic data, one can verify the extent to…

astro-ph.IM2020★ 25 cited

Site-testing at Muztagh-ata site I: Ground Meteorology and Sky Brightness

Jing Xu, Ali Esamdin, Jin-xin Hao +28

Site-testing is crucial for achieving the goal of scientific research and analysis of meteorological and optical observing conditions is one of the basic tasks of it. As one of thr…

astro-ph.IM2020★ 26 cited

Site-testing at Muztagh-ata site II: Seeing statistics

Jing Xu, Ali Esamdin, Jin-xin Hao +28

In this article, we present a detailed analysis of the statistical properties of seeing for the Muztagh-ata site which is the candidate site for hosting future Chinese Large Optica…

astro-ph.IM2020★ 6 cited

The NTSC VLBI System and its application in UT1 measurement

Dang Yao, Yuan-Wei Wu, Bo Zhang +8

In order to measure the Universal Time (UT1) in real time, National Time Service Center (NTSC) has built a VGOS-like (VLBI Global Observing System) broadband VLBI network, which in…

astro-ph.IM2020★ 32 cited

Site testing campaign for the Large Optical/infrared Telescope of China: Overview

Lu Feng, Jin-Xin Hao, Zi-Huang Cao +35

The Large Optical/infrared Telescope (LOT) is a ground-based 12m diameter optical/infrared telescope which is proposed to be built in the western part of China in the next decade.…