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Related papers: The Pulsar Search Collaboratory: Current Status an…

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Pulsar search with time-domain observation is very computationally expensive and data volume will be enormous with the next generation telescopes such as the Square Kilometre Array. We apply artificial neural networks (ANNs), a machine…

Instrumentation and Methods for Astrophysics · Physics 2020-03-17 Naoyuki Yonemaru , Keitaro Takahashi , Hiroki Kumamoto , Shi Dai , Shintaro Yoshiura , Shinsuke Ideguchi

We report results of one of the most sensitive pulsar surveys to date targeting the innermost region of the Galactic Center (GC) using the Robert C. Byrd Green Bank Telescope (GBT) at X-band (8--12GHz) using data from the Breakthrough…

Pulsar candidate sifting is an essential process for discovering new pulsars. It aims to search for the most promising pulsar candidates from an all-sky survey, such as High Time Resolution Universe (HTRU), Green Bank Northern Celestial Cap…

Instrumentation and Methods for Astrophysics · Physics 2023-12-27 Haitao Lin , Xiangru Li , Qingguo Zeng

Pulsar timing arrays can detect continuous nanohertz gravitational waves emitted by individual supermassive black hole binaries. The data analysis procedure can be formulated within a time-domain, state-space framework, in which the radio…

Pulsar timing arrays (PTAs) are ensembles of millisecond pulsars observed for years to decades. The primary goal of PTAs is to study gravitational-wave astronomy at nanohertz frequencies, with secondary goals of undertaking other…

Over the summer of 2007, we obtained 1191 hours of `drift-scan' pulsar search observations with the Green Bank Telescope at a radio frequency of 350 MHz. Here we describe the survey setup, search procedure, and the discovery and follow-up…

We describe a new inquiry design aimed at teaching advanced high-school to senior college students the basics of stellar populations. The inquiry is designed to have students come up with their own version of the Hertzsprung-Russell diagram…

Instrumentation and Methods for Astrophysics · Physics 2012-08-10 Marc Rafelski , Michael Foley , Genevieve J. Graves , Katherine A. Kretke , Elisabeth Mills , Michael Nassir , Shannon Patel

Pulsars seen at gamma-ray energies offer insight into particle acceleration to very high energies, along with information about the geometry and interaction processes in the magnetospheres of these rotating neutron stars. During the next…

Astrophysics · Physics 2007-05-23 D. J. Thompson

The on-going PALFA survey is searching the Galactic plane (|b| < 5 deg., 32 < l < 77 deg. and 168 < l < 214 deg.) for radio pulsars at 1.4 GHz using ALFA, the 7-beam receiver installed at the Arecibo Observatory. By the end of August 2012,…

The Commensal Radio Astronomy Five-hundred-meter Aperture Spherical radio Telescope (FAST) Survey (CRAFTS) utilizes the novel drift-scan commensal survey mode of FAST and can generate billions of pulsar candidate signals. The human experts…

Instrumentation and Methods for Astrophysics · Physics 2019-03-18 Hongfeng Wang , Weiwei Zhu , Ping Guo , Di Li , Sibo Feng , Qian Yin , Chenchen Miao , Zhenzhao Tao , Zhichen Pan , Pei Wang , Xin Zheng , Xiaodan Deng Zhijie Liu , Xiaoyao Xie , Xuhong Yu , Shanping You , Hui Zhang

Since 2013 round-the-clock monitoring of the sky is carried out simultaneously in 96 space beams using the high-sensitivity radio telescope of LPA (Large Phased Array) at the frequency 110.25 MHz. These observations are made under the…

High Energy Astrophysical Phenomena · Physics 2018-08-15 V. M. Malofeev , S. A. Tyul'bashev

Undergraduate research in STEM can be a transformative experience, especially for Community College students, many of whom come from under-represented backgrounds. However, undergraduate research at Community Colleges is relatively rare,…

The SKA will be transformational for many areas of science, but in particular for the study of neutron stars and their usage as tools for fundamental physics in the form of radio pulsars. Since the last science case for the SKA, numerous…

Instrumentation and Methods for Astrophysics · Physics 2015-07-17 Michael Kramer , Ben Stappers

The next generation of ground-based gravitational-wave detectors will observe coalescences of black holes and neutron stars throughout the cosmos, thousands of them with exceptional fidelity. The Science Book is the result of a 3-year…

General Relativity and Quantum Cosmology · Physics 2021-11-16 Vicky Kalogera , B. S. Sathyaprakash , Matthew Bailes , Marie-Anne Bizouard , Alessandra Buonanno , Adam Burrows , Monica Colpi , Matt Evans , Stephen Fairhurst , Stefan Hild , Mansi M. Kasliwal , Luis Lehner , Ilya Mandel , Vuk Mandic , Samaya Nissanke , Maria Alessandra Papa , Sanjay Reddy , Stephan Rosswog , Chris Van Den Broeck , P. Ajith , Shreya Anand , Igor Andreoni , K. G. Arun , Enrico Barausse , Masha Baryakhtar , Enis Belgacem , Christopher P. L. Berry , Daniele Bertacca , Richard Brito , Chiara Caprini , Katerina Chatziioannou , Michael Coughlin , Giulia Cusin , Tim Dietrich , Yves Dirian , William E. East , Xilong Fan , Daniel Figueroa , Stefano Foffa , Archisman Ghosh , Evan Hall , Jan Harms , Ian Harry , Tanja Hinderer , Thomas Janka , Stephen Justham , Dan Kasen , Kei Kotake , Geoffrey Lovelace , Michele Maggiore , Alberto Mangiagli , Michela Mapelli , Andrea Maselli , Andrew Matas , Jess McIver , Bronson Messer , Tony Mezzacappa , Cameron Mills , Bernhard Mueller , Ewald Müller , Michael Pürrer , Paolo Pani , Geraint Pratten , Tania Regimbau , Mairi Sakellariadou , Raffaella Schneider , Alberto Sesana , Lijing Shao , P. Thomas Sotiriou , Nicola Tamanini , Thomas Tauris , Eric Thrane , Rosa Valiante , Maarten van de Meent , Vijay Varma , Justin Vines , Salvatore Vitale , Huan Yang , Nicolas Yunes , Miguel Zumalacarregui , Michele Punturo , David Reitze , Peter Couvares , Stavros Katsanevas , Takaaki Kajita , Harald Lueck , David McClelland , Sheila Rowan , Gary Sanders , David Shoemaker , Jo van den Brand

In 2012, five high school students involved in the Pulsar Search Collaboratory discovered the millisecond pulsar PSR J1400$-$1431 and initial timing parameters were published in Rosen et al. (2013) a year later. Since then, we have obtained…

The Princeton Variability Survey (PVS) is a robotic survey which makes use of readily available, ``off-the-shelf'' type hardware products, in conjunction with a powerful set of commercial software products, in order to monitor and discover…

Astrophysics · Physics 2009-11-07 Cullen Blake

We present timing solutions for 12 pulsars discovered in the Green Bank North Celestial Cap (GBNCC) 350 MHz pulsar survey, including six millisecond pulsars (MSPs), a double neutron star (DNS) system, and a pulsar orbiting a massive white…

Most periodicity search algorithms used in pulsar astronomy today are highly efficient and take advantage of multiple CPUs or GPUs. The bottlenecks are usually represented by the operations that require an informed choice from an expert…

Instrumentation and Methods for Astrophysics · Physics 2020-12-24 Matteo Bachetti , Maura Pilia , Stefano Curatti , Giada Corrias , Andrea Addis , Claudia Macciò , Daniele Muntoni , Viviana Piga , Nicolò Pitzalis , Alessio Trois

Searches for millisecond-duration, dispersed single pulses have become a standard tool used during radio pulsar surveys in the last decade. They have enabled the discovery of two new classes of sources: rotating radio transients and fast…

Instrumentation and Methods for Astrophysics · Physics 2018-08-17 D. Michilli , J. W. T. Hessels , R. J. Lyon , C. M. Tan , C. Bassa , S. Cooper , V. I. Kondratiev , S. Sanidas , B. W. Stappers , J. van Leeuwen