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Related papers: The FAST Globular Cluster Pulsar Survey (GC FANS)

200 papers

We present the discovery of 24 pulsars in 15 Globular Clusters (GCs) using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). These include the first pulsar discoveries in M2, M10, and M14. Most of the new systems are either…

High Energy Astrophysical Phenomena · Physics 2021-07-21 Zhichen Pan , Lei Qian , Xiaoyun Ma , Kuo Liu , Lin Wang , Jintao Luo , Zhen Yan , Scott Ransom , Duncan Lorimer , Di Li , Peng Jiang

We employed the Fast Folding Algorithm (FFA) on L-Band Globular Cluster (GC) observations taken with Five-hundred-meter Aperture Spherical radio Telescope (FAST) to search for new pulsars, especially those with a long rotational period. We…

We present the discovery of three pulsars in the Globular Cluster (GC) M15 (NGC 7078) by the Five-hundred-meter Aperture Spherical radio Telescope (FAST). PSR J2129+1210J (M15J) is a millisecond pulsar with a spin period of 11.84 ms and a…

NGC 5024 (M53) is the most distant globular cluster (GC) with known pulsars. In this study, we report the discovery of a new binary millisecond pulsar PSR J1312+1810E (M53E) and present the new timing solutions for M53B to M53E, based on 22…

High Energy Astrophysical Phenomena · Physics 2023-07-19 Yujie Lian , Zhichen Pan , Haiyan Zhang , Paulo C. C. Freire , Shuo Cao , Lei Qian

We present the discovery of 8 isolated millisecond pulsars in Globular Cluster (GC) NGC 6517 using the Five-Hundred-meter Aperture Spherical radio Telescope (FAST). The spin periods of those pulsars (namely PSR J1801-0857K to R, or, NGC…

We report the discovery of three new pulsars in the Globular Cluster (GC) NGC6517, namely NGC 6517 E, F, and G, made with the Five-hundred-meter Aperture Spherical radio Telescope (FAST). The spin periods of NGC 6517 E, F, and G are…

High Energy Astrophysical Phenomena · Physics 2021-08-18 Zhichen Pan , Xiaoyun Ma , Lei Qian , Lin Wang , Zhen Yan , Jintao Luo , Scott M. Ransom , Duncan R. Lorimer , Peng Jiang

We present the discovery and timing results of 15 pulsars discovered in a high Galactic latitude survey conducted with the Five-hundred-meter Aperture Spherical Telescope (FAST). The survey targeted a region as close as possible to the…

High Energy Astrophysical Phenomena · Physics 2025-03-05 Xin Xu , Shi Dai , Qijun Zhi , Juntao Bai , Joanna Berteaud , Francesca Calore , Maïca Clavel , Weiwei Zhu , Di Li , Rushuang Zhao , Renxin Xu , Guojun Qiao

We report on a comprehensive multi-wavelength study of the pulsars in the globular cluster (GC) M5, including the discovery of M5G, a new compact non-eclipsing "black widow" pulsar. Thanks to the analysis of 34 years of radio data taken…

Globular clusters (GCs) offer a unique environment for discovering and studying millisecond pulsars. In this paper, we present a multi-epoch search and detailed timing analysis of millisecond pulsars in the GC M2, using the…

We report the discovery of an eclipsing binary millisecond pulsar in the globular cluster M92 (NGC6341) with the Five-hundred-meter Aperture Spherical radio Telescope (FAST). PSR J1717+4308A, or M92A, has a pulse frequency of 316.5~Hz…

We propose a pulsar candidate cross matching algorithm to sift radio pulsar search candidates from repeated observations of the same sky location such as globular clusters, high energy sources, or supernova remnants. Our method uses both…

High Energy Astrophysical Phenomena · Physics 2026-03-12 Qiuyu Yu , Yujie Wang , Zhichen Pan , Zhongli Zhang , Lei Qian , Zhongzu Wu , Ralph P. Eatough , Dejiang Yin , Baoda Li , Yujie Chen , Yinfeng Dai , Yifeng Li

We report the discovery of six faint millisecond pulsars (MSPs) in the globular clusters NGC 6517 and NGC 7078 (M15) using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). These discoveries were enabled by stacking power…

This paper describes the new Globular Clusters GMRT Pulsar Search (GCGPS) survey. This survey aims to find MSPs in the globular clusters (GCs) of the Milky Way using uGMRT. The observations use the uGMRT's Band-4 (550$-$750 MHz) and Band-3…

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…

Globular clusters harbor numerous millisecond pulsars, but long-period pulsars ($P \gtrsim 100$ ms) are rarely found. In this study, we employed a fast folding algorithm to analyze observational data from multiple globular clusters obtained…

We report the discovery of the binary millisecond pulsar J0514-4002A, which is the first known pulsar in the globular cluster NGC 1851 and the first pulsar discovered using the Giant Metrewave Radio Telescope (GMRT). The pulsar has a…

Astrophysics · Physics 2009-11-10 Paulo C. Freire , Yashwant Gupta , Scott M. Ransom , C. H. Ishwara-Chandra

We have surveyed all 22 known Galactic globular clusters observable with the Arecibo radio telescope and within 70kpc of the Sun for radio pulsations at ~1.4GHz. Data were taken with the Wideband Arecibo Pulsar Processor, which provided the…

Astrophysics · Physics 2009-11-13 J. W. T. Hessels , S. M. Ransom , I. H. Stairs , V. M. Kaspi , P. C. C. Freire

We report the phase-connected timing ephemeris, polarization pulse profiles, Faraday rotation measurements, and Rotating-Vector-Model (RVM) fitting results of twelve millisecond pulsars (MSPs) discovered with the Five-hundred-meter Aperture…

Millisecond pulsars (MSPs) are neutron stars with spin periods as short as a few milliseconds, formed through mass accretion from companion stars. In the dense environments of globular clusters (GCs), MSPs are likely to originate through…

High Energy Astrophysical Phenomena · Physics 2025-11-13 Yuzhe Song , Debatri Chattopadhyay , Jarrod Hurley , Rainer Spurzem , Francesco Flammini Dotti , Kai Wu

We present the discovery and timing results of four pulsars discovered in a pilot survey at intermediate Galactic latitudes with the Five-hundred Aperture Spherical Telescope (FAST). Among these pulsars, two belong to the category of…

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