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The Five-hundred-meter Aperture Spherical Radio Telescope (FAST) Core Array is a proposed extension of FAST, integrating 24 secondary 40-m antennas implanted within 5 km of the FAST site. This original array design will combine the…

Instrumentation and Methods for Astrophysics · Physics 2024-08-26 Peng Jiang , Rurong Chen , Hengqian Gan , Jinghai Sun , Boqin Zhu , Hui Li , Weiwei Zhu , Jingwen Wu , Xuelei Chen , Haiyan Zhang , Tao An

The Boolardy Engineering Test Array is a 6 x 12 m dish interferometer and the prototype of the Australian Square Kilometre Array Pathfinder (ASKAP), equipped with the first generation of ASKAP's phased array feed (PAF) receivers. These…

We have observed the Crab pulsar with the Deep Space Network (DSN) Goldstone 70 m antenna at 1664 MHz during three observing epochs for a total of 4 hours. Our data analysis has detected more than 2500 giant pulses, with flux densities…

Astrophysics of Galaxies · Physics 2015-05-30 Walid A. Majid , Charles J. Naudet , Stephen T. Lowe , Thomas B. H. Kuiper

The recently commissioned Compact Array Broadband Backend (CABB) on the Australia Telescope Compact Array (ATCA) provides 2 GHz bandwidth in each frequency and polarisation, significantly increasing the sensitivity of the Array. This…

Astrophysics of Galaxies · Physics 2010-08-27 Elizabeth K. Mahony , Elaine M. Sadler , Scott M. Croom , Ronald D. Ekers , Ilana J. Feain , Tara Murphy

We report on the detection of giant pulses from the Crab Nebula pulsar at a frequency of 200 MHz using the field deployment system designed for the Mileura Widefield Array's Low Frequency Demonstrator (MWA-LFD). Our observations are among…

We present the first high-resolution, high-frequency radio continuum survey that fully maps an extragalactic deep field: the 10GHz survey of the Great Observatories Origins Deep Survey-North (GOODS-N) field. This is a Large Program of the…

Line intensity mapping is a promising probe of the universe's large-scale structure. We explore the sensitivity of the DSA-2000, a forthcoming array consisting of over 2000 dishes, to the statistical power spectrum of neutral hydrogen's 21…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-28 Ruby Byrne , Nivedita Mahesh , Gregg W. Hallinan , Liam Connor , Vikram Ravi , T. Joseph W. Lazio

During February 2016, CSIRO Astronomy and Space Science and the Max-Planck-Institute for Radio Astronomy installed, commissioned and carried out science observations with a phased array feed (PAF) receiver system on the 64m diameter Parkes…

Instrumentation and Methods for Astrophysics · Physics 2017-07-19 X. Deng , A. P. Chippendale , G. Hobbs , S. Johnston , S. Dai , D. George , M. Kramer , R. Karuppusamy , M. Malenta , L. Spitler , T. Tzioumis , G. Wieching

The Deep Space Network (DSN) enables NASA to communicate with its spacecraft in deep space. By virtue of its large antennas, the DSN can also be used as a powerful instrument for radio astronomy. Specifically, Deep Space Station (DSS) 43,…

Instrumentation and Methods for Astrophysics · Physics 2020-10-28 Kristen Virkler , Jonathon Kocz , Melissa Soriano , Shinji Horiuchi , Jorge L. Pineda , Tyrone McNichols

The Long Wavelength Array (LWA) will be a new multi-purpose radio telescope operating in the frequency range 10-88 MHz. Scientific programs include pulsars, supernova remnants, general transient searches, radio recombination lines, solar…

Instrumentation and Methods for Astrophysics · Physics 2012-06-11 G. B. Taylor , The LWA Collaboration

The Tianlai Dish Pathfinder Array (TDPA) is a radio interferometer designed to test techniques for 21 cm intensity mapping in the post-reionization universe as a means of measuring large-scale cosmic structure. Using 9 nights of…

Instrumentation and Methods for Astrophysics · Physics 2026-04-15 Guangzhi He , Shifan Zuo , Jixia Li , Yichao Li , Furen Deng , Shijie Sun , Reza Ansari , Olivier Perdereau , Peter Timbie , Albert Stebbins , Ayodeji Ibitoye , Fengquan Wu , Yougang Wang , Xuelei Chen

Detecting fast radio bursts (FRBs) requires software pipelines to search for dispersed single pulses of emission in radio telescope data. In order to enable an unbiased estimation of the underlying FRB population, it is important to…

Instrumentation and Methods for Astrophysics · Physics 2023-06-28 Hao Qiu , Evan F. Keane , Keith W. Bannister , Clancy W. James , Ryan M. Shannon

We present projected Fast Radio Burst detection rates from surveys carried out using a set of hypothetical close-packed array telescopes. The cost efficiency of such a survey falls at least as fast as the inverse square of the survey…

Instrumentation and Methods for Astrophysics · Physics 2020-01-22 Jeffrey B Peterson , Kevin Bandura , Pranav Sanghavi

We report on a very long baseline interferometry (VLBI) experiment on giant radio pulses (GPs) from the Crab pulsar in the radio 1.4 to 1.7 GHz range to demonstrate a VLBI technique for searching for fast radio bursts (FRBs). We carried out…

Instrumentation and Methods for Astrophysics · Physics 2016-06-29 K. Takefuji , T. Terasawa , T. Kondo , R. Mikami , H. Takeuchi , H. Misawa , F. Tsuchiya , H. Kita , M. Sekido

Pulsar surveys generate millions of candidates per run, overwhelming manual inspection. This thesis builds a deep learning pipeline for radio pulsar candidate selection that fuses array-derived features with image diagnostics. From…

Instrumentation and Methods for Astrophysics · Physics 2025-10-31 Manideep Pendyala

We report the detection of 72 new pulses from the repeating fast radio burst FRB 121102 in Breakthrough Listen C-band (4-8 GHz) observations at the Green Bank Telescope. The new pulses were found with a convolutional neural network in data…

High Energy Astrophysical Phenomena · Physics 2018-10-31 Yunfan Gerry Zhang , Vishal Gajjar , Griffin Foster , Andrew Siemion , James Cordes , Casey Law , Yu Wang

Discovery of pulsars is one of the main goals for large radio telescopes. The Five-hundred-meter Aperture Spherical radio Telescope (FAST), that incorporates an L-band 19-beam receiver with a system temperature of about 20~K, is the most…

Time domain radio astronomy observing campaigns frequently generate large volumes of data. Our goal is to develop automated methods that can identify events of interest buried within the larger data stream. The V-FASTR fast transient system…

Instrumentation and Methods for Astrophysics · Physics 2016-06-29 Kiri L. Wagstaff , Benyang Tang , David R. Thompson , Shakeh Khudikyan , Jane Wyngaard , Adam T. Deller , Divya Palaniswamy , Steven J. Tingay , Randall B. Wayth

We present a multi-wavelength study of the apparently non-repeating, heavily scattered fast radio burst, FRB 20221219A, detected by the Deep Synoptic Array 110 (DSA-110). The burst exhibits a moderate dispersion measure (DM) of…