output
19972026
Showing 2023 · astro-ph.IMShow all

8 papers · 2 filters

astro-ph.IM2023★ 3 cited

Detecting Cosmic 21 cm Global Signal Using an Improved Polynomial Fitting Algorithm

Tianyang Liu, Junhua Gu, Quan Guo +3

Detecting the cosmic 21 cm signal from Epoch of Reionization (EoR) has always been a difficult task. Although the Galactic foreground can be regarded as a smooth power-law spectrum…

astro-ph.IM2023★ 4 cited

The Intensity of Diffuse Galactic Emission Reflected by Meteor Trails

Feiyu Zhao, Ruxi Liang, Zepei Yang +4

We calculate the reflection of diffuse galactic emission by meteor trails and investigate its potential relationship to Meteor Radio Afterglow (MRA). The formula to calculate the r…

astro-ph.IM2023★ 14 cited

Orbital configurations of spaceborne interferometers for studying photon rings of supermassive black holes

Ben Hudson, Leonid I. Gurvits, Maciek Wielgus +3

Recent advances in technology coupled with the progress of observational radio astronomy methods resulted in achieving a major milestone of astrophysics - a direct image of the sha…

astro-ph.IM2023★ 8 cited

The BINGO Project IX: Search for Fast Radio Bursts -- A Forecast for the BINGO Interferometry System

Marcelo V. dos Santos, Ricardo G. Landim, Gabriel A. Hoerning +19

The Baryon Acoustic Oscillations (BAO) from Integrated Neutral Gas Observations (BINGO) radio telescope will use the neutral Hydrogen emission line to map the Universe in the redsh…

astro-ph.IM2023★ 13 cited

Radio Sources Segmentation and Classification with Deep Learning

Baoqiang Lao, Sumit Jaiswal, Zhen Zhao +4

Modern large radio continuum surveys have high sensitivity and resolution, and can resolve previously undetected extended and diffuse emissions, which brings great challenges for t…

astro-ph.IM2023★ 3 cited

Astrometric Calibration of the BeijingArizona Sky Survey

Xiyan Peng, Zhaoxiang Qi, Tianmeng Zhang +13

We present the astrometric calibration of the Beijing-Arizona Sky Survey (BASS). The BASS astrometry was tied to the International Celestial Reference Frame via the \emph{Gaia} Dat…

astro-ph.IM2023★ 12 cited

Simulation of CSSTs astrometric capability

Zhensen Fu, Zhaoxiang Qi, Shilong Liao +5

The China Space Station Telescope (CSST) will enter a low Earth orbit around 2024 and operate for 10 years, with seven of those years devoted to surveying the area of the median-to…

astro-ph.IM2023★ 22 cited

SKA Science Data Challenge 2: analysis and results

P. Hartley, A. Bonaldi, R. Braun +105

The Square Kilometre Array Observatory (SKAO) will explore the radio sky to new depths in order to conduct transformational science. SKAO data products made available to astronomer…