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Related papers: Citizen COmputing for Pulsar Searches: CICLOPS

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For fifty years astronomers have been searching for pulsar signals in observational data. Throughout this time the process of choosing detections worthy of investigation, so called candidate selection, has been effective, yielding thousands…

Instrumentation and Methods for Astrophysics · Physics 2018-08-22 R. J. Lyon

In this paper, we present a novel artificial intelligence (AI) program that identifies pulsars from recent surveys using image pattern recognition with deep neural nets---the PICS (Pulsar Image-based Classification System) AI. The AI mimics…

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

The search for pulsars produces a massive amount of data which needs to be processed and analyzed. The limited speed of manual observation necessitates the involvement of large numbers of people to keep up with data collection. This paper…

Instrumentation and Methods for Astrophysics · Physics 2020-04-20 Gurmehar Singh , Martin Nikolov , Jake North , Kalée Tock

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

Time-domain radio astronomy utilizes a harmonic sum algorithm as part of the Fourier domain periodicity search, this type of search is used to discover single pulsars. The harmonic sum algorithm is also used as part of the Fourier domain…

Instrumentation and Methods for Astrophysics · Physics 2018-12-07 Karel Adámek , Wesley Armour

Pulsar searching with next-generation radio telescopes requires efficiently sifting through millions of candidates generated by search pipelines to identify the most promising ones. This challenge has motivated the utilization of Artificial…

Instrumentation and Methods for Astrophysics · Physics 2025-11-11 Qiuyang Fu , Mengyao Xue , Weiwei Zhu , N. D. R. Bhat , Kaichao Wu , Zihan Zhang , B. W. Meyers , Chia Min Tan , Youling Yue , Jiarui Niu , Lingqi Meng , Ziwei Wu , Ziyao Fang , Yukai Zhou , Jiawei Jin

Clustering is an effective tool for astronomical spectral analysis, to mine clustering patterns among data. With the implementation of large sky surveys, many clustering methods have been applied to tackle spectroscopic and photometric data…

Instrumentation and Methods for Astrophysics · Physics 2022-12-19 Haifeng Yang , Chenhui Shi , Jianghui Cai , Lichan Zhou , Yuqing Yang , Xujun Zhao , Yanting He , Jing Hao

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

Astronomy depends on ever increasing computing power. Processor clock-rates have plateaued, and increased performance is now appearing in the form of additional processor cores on a single chip. This poses significant challenges to the…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Benjamin R. Barsdell , David G. Barnes , Christopher J. Fluke

Pulsar search is always the basis of pulsar navigation, gravitational wave detection and other research topics. Currently, the volume of pulsar candidates collected by Five-hundred-meter Aperture Spherical radio Telescope (FAST) shows an…

Instrumentation and Methods for Astrophysics · Physics 2023-11-15 Zi-Yi You , Yun-Rong Pan , Zhi Ma , Li Zhang , Shuo Xiao , Dan-Dan Zhang , Shi-Jun Dang , Ru-Shuang Zhao , Pei Wang , Ai-Jun Dong , Jia-Tao Jiang , Ji-Bing Leng , Wei-An Li , Si-Yao Li

An external reference system suitable for deep space navigation can be defined by fast spinning and strongly magnetized neutron stars, called pulsars. Their beamed periodic signals have timing stabilities comparable to atomic clocks and…

High Energy Astrophysical Phenomena · Physics 2013-11-21 Werner Becker , Mike G. Bernhardt , Axel Jessner

Pulsar searching is essential for the scientific research in the field of physics and astrophysics. As the development of the radio telescope, the exploding volume and it growth speed of candidates growth have brought about several…

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

The computational cost of searching for new pulsars is a limiting factor for upcoming radio telescopes such as SKA. We introduce four new algorithms: an optimal constant-period search, a coherent tree search which permits optimal searching…

High Energy Astrophysical Phenomena · Physics 2016-10-24 Kendrick M. Smith

Binary pulsars are an important target for radio surveys because they present a natural laboratory for a wide range of astrophysics for example testing general relativity, including detection of gravitational waves. The orbital motion of a…

Instrumentation and Methods for Astrophysics · Physics 2022-02-17 Karel Adámek , Jan Novotný , Sofia Dimoudi , Wesley Armour

We present a method by using the phase characteristics of radio observation data for pulsar search and candidate identification. The phase characteristics are relations between the pulsar signal and the phase correction in the…

Instrumentation and Methods for Astrophysics · Physics 2023-01-04 Bo Peng , Qian-Chen Hu , Qiang Li , Lei Qian , Xiao-Bo Dong , Shi-Lin Peng , Ze-Lin Wang

In recent years, the Graphics Processing Unit (GPU) has emerged as a low-cost alternative for high performance computing, enabling impressive speed-ups for a range of scientific computing applications. Early adopters in astronomy are…

Instrumentation and Methods for Astrophysics · Physics 2011-11-23 Christopher J. Fluke

Pulsars are natural cosmic clocks. On long timescales they rival the precision of terrestrial atomic clocks. Using a technique called pulsar timing, the exact measurement of pulse arrival times allows a number of applications, ranging from…

Instrumentation and Methods for Astrophysics · Physics 2018-02-14 Werner Becker , Michael Kramer , Alberto Sesana

Radio pulsar surveys are producing many more pulsar candidates than can be inspected by human experts in a practical length of time. Here we present a technique to automatically identify credible pulsar candidates from pulsar surveys using…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 R. P. Eatough , N. Molkenthin , M. Kramer , A. Noutsos , M. J. Keith , B. W. Stappers , A. G. Lyne

It is difficult to discover pulsars via their gamma-ray emission because current instruments typically detect fewer than one photon per million rotations. This creates a significant computing challenge for isolated pulsars, where the…

High Energy Astrophysical Phenomena · Physics 2020-10-23 L. Nieder , B. Allen , C. J. Clark , H. J. Pletsch
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