FAST discovery of an extremely radio-faint millisecond pulsar from the Fermi-LAT unassociated source 3FGL J0318.1+0252 | |
Wang, Pei18; Li, Di17,18; Clark, Colin J.1,16; Parkinson, Pablo M. Saz14,15; Hou X(侯贤)12,13; Zhu, Weiwei18; Qian, Lei18; Yue, Youling18; Pan, Zhichen18; Liu, Zhijie11 | |
刊名 | SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY |
2021-12 | |
卷号 | 64期号:12 |
关键词 | FAST pulsar radio gamma rays |
ISSN号 | 1674-7348 |
DOI | 10.1007/s11433-021-1757-5 |
产权排序 | 第6完成单位 |
文献子类 | Article |
英文摘要 | High sensitivity radio searches of unassociated gamma-ray sources have proven to be an effective way of finding new pulsars. Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST) during its commissioning phase, we have carried out a number of targeted deep searches of Fermi Large Area Telescope (LAT) gamma-ray sources. On February 27, 2018 we discovered an isolated millisecond pulsar (MSP), PSR J0318+0253, coincident with the unassociated gamma-ray source 3FGL J0318.1+0252. PSR J0318+0253 has a spin period of 5.19 ms, a dispersion measure (DM) of 26 pc cm(-3) corresponding to a DM distance of about 1.3 kpc, and a period-averaged flux density of (similar to 11 +/- 2) mu Jy at L-band (1.05-1.45 GHz). Among all high energy MSPs, PSR J0318+0253 is the faintest ever detected in radio bands, by a factor of at least similar to 4 in terms of L-band fluxes. With the aid of the radio ephemeris, an analysis of 9.6 years of Fermi-LAT data revealed that PSR J0318+0253 also displays strong gamma-ray pulsations. Follow-up observations carried out by both Arecibo and FAST suggest a likely spectral turn-over around 350 MHz. This is the first result from the collaboration between FAST and the Fermi-LAT teams as well as the first confirmed new MSP discovery by FAST, raising hopes for the detection of many more MSPs. Such discoveries will make a significant contribution to our understanding of the neutron star zoo while potentially contributing to the future detection of gravitational waves, via pulsar timing array (PTA) experiments. |
学科主题 | 天文学 ; 天体物理学 ; 高能天体物理学 ; 射电天文学 |
URL标识 | 查看原文 |
出版地 | 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA |
资助项目 | National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11988101] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11690024] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11743002] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11873067] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[U1631132] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[U1831131] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[U1731238] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[U1938103] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11703047] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11773041] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11673060] ; National Key R&D Program of China[2017YFA0402600] ; Chinese Academy of Sciences (CAS) Key Laboratory of FAST, NAOC, Chinese Academy of Sciences ; National Basic Research Program of ChinaNational Basic Research Program of China[2015CB857100] ; CAS Strategic Priority Research Program[XDB23000000] ; CAS International Partnership Program[114A11KYSB20160008] ; Open Project Program of the Key Laboratory of FAST, NAOC, Chinese Academy of Sciences ; Guizhou Provincial Key Laboratory of Radio Astronomy and Data Processing, Guizhou Normal University ; Youth Innovation Promotion Association CAS[2021055] ; CAS Project for Young Scientists in Basic Reasearch[YSBR-006] ; Cultivation Project for FAST Scientific Payoff and Research Achievement of CAMS-CAS ; CAS Light of West China Program ; National Aeronautics and Space AdministrationNational Aeronautics & Space Administration (NASA) ; Department of Energy in the United StatesUnited States Department of Energy (DOE) ; Commissariat 'a l'Energie AtomiqueFrench Atomic Energy Commission ; Centre National de la Recherche Scientifique/Institut National de Physique Nucleaire et de Physique des Particules in FranceCentre National de la Recherche Scientifique (CNRS) ; Agenzia Spaziale ItalianaAgenzia Spaziale Italiana (ASI) ; Istituto Nazionale di Fisica Nucleare in ItalyIstituto Nazionale di Fisica Nucleare (INFN) ; Ministry of Education, Culture, Sports, Science and Technology (MEXT)Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) ; High Energy Accelerator Research Organization (KEK)High Energy Accelerator Research Organization (KEK) ; Japan Aerospace Exploration Agency (JAXA) in Japan ; K. A. Wallenberg FoundationKnut & Alice Wallenberg Foundation ; Swedish Research CouncilSwedish Research CouncilEuropean Commission ; Swedish National Space Board in Sweden ; Istituto Nazionale di Astrofisica in ItalyIstituto Nazionale Astrofisica (INAF) ; Centre National d'Etudes Spatiales in FranceCentre National D'etudes Spatiales ; DOEUnited States Department of Energy (DOE)[DE-AC02-76SF00515] ; Fermi Guest Observer Program[80NSSC18K1731] ; ERC under the European Union[715051] ; NASANational Aeronautics & Space Administration (NASA) |
WOS关键词 | TELESCOPE |
WOS研究方向 | Physics |
语种 | 英语 |
出版者 | SCIENCE PRESS |
WOS记录号 | WOS:000710406900001 |
资助机构 | National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11988101, 11690024, 11743002, 11873067, U1631132, U1831131, U1731238, U1938103, 11703047, 11773041, 11673060] ; National Key R&D Program of China[2017YFA0402600] ; Chinese Academy of Sciences (CAS) Key Laboratory of FAST, NAOC, Chinese Academy of Sciences ; National Basic Research Program of ChinaNational Basic Research Program of China[2015CB857100] ; CAS Strategic Priority Research Program[XDB23000000] ; CAS International Partnership Program[114A11KYSB20160008] ; Open Project Program of the Key Laboratory of FAST, NAOC, Chinese Academy of Sciences ; Guizhou Provincial Key Laboratory of Radio Astronomy and Data Processing, Guizhou Normal University ; Youth Innovation Promotion Association CAS[2021055] ; CAS Project for Young Scientists in Basic Reasearch[YSBR-006] ; Cultivation Project for FAST Scientific Payoff and Research Achievement of CAMS-CAS ; CAS Light of West China Program ; National Aeronautics and Space AdministrationNational Aeronautics & Space Administration (NASA) ; Department of Energy in the United StatesUnited States Department of Energy (DOE) ; Commissariat 'a l'Energie AtomiqueFrench Atomic Energy Commission ; Centre National de la Recherche Scientifique/Institut National de Physique Nucleaire et de Physique des Particules in FranceCentre National de la Recherche Scientifique (CNRS) ; Agenzia Spaziale ItalianaAgenzia Spaziale Italiana (ASI) ; Istituto Nazionale di Fisica Nucleare in ItalyIstituto Nazionale di Fisica Nucleare (INFN) ; Ministry of Education, Culture, Sports, Science and Technology (MEXT)Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) ; High Energy Accelerator Research Organization (KEK)High Energy Accelerator Research Organization (KEK) ; Japan Aerospace Exploration Agency (JAXA) in Japan ; K. A. Wallenberg FoundationKnut & Alice Wallenberg Foundation ; Swedish Research CouncilSwedish Research CouncilEuropean Commission ; Swedish National Space Board in Sweden ; Istituto Nazionale di Astrofisica in ItalyIstituto Nazionale Astrofisica (INAF) ; Centre National d'Etudes Spatiales in FranceCentre National D'etudes Spatiales ; DOEUnited States Department of Energy (DOE)[DE-AC02-76SF00515] ; Fermi Guest Observer Program[80NSSC18K1731] ; ERC under the European Union[715051] ; NASANational Aeronautics & Space Administration (NASA) |
内容类型 | 期刊论文 |
版本 | 出版稿 |
源URL | [http://ir.ynao.ac.cn/handle/114a53/24638] |
专题 | 云南天文台_高能天体物理研究组 |
通讯作者 | Wang, Pei; Li, Di |
作者单位 | 1.NAOC-UKZN Computational Astrophysics Centre, University of KwaZulu-Natal, Durban, 4000, South Africa 2.Department of Physics, University of Maryland, College Park, MD, 20742, USA; 3.Xinjiang Astronomical Observatory, Urumqi, 830011, China; 4.Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai, 200030, China; 5.Space Science Division, U.S. Naval Research Laboratory, Washington DC, 20375-5352, USA; 6.Centre d’Études Nucléaires de Bordeaux Gradignan, IN2P3/CNRS, Université Bordeaux, Gradignan, 33175, France; 7.GSFC, NASA, Greenbelt, Maryland MD, 20771, USA; 8.UMCP/CRESST/GSFC, NASA, Greenbelt, Maryland MD, 20771, USA; 9.Physics Department, Stanford University, Stanford, CA, 94305, USA; 10.School of Physics and Electronic Science, Guizhou Normal University, Guiyang, 550001, China; |
推荐引用方式 GB/T 7714 | Wang, Pei,Li, Di,Clark, Colin J.,et al. FAST discovery of an extremely radio-faint millisecond pulsar from the Fermi-LAT unassociated source 3FGL J0318.1+0252[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2021,64(12). |
APA | Wang, Pei.,Li, Di.,Clark, Colin J..,Parkinson, Pablo M. Saz.,Hou X.,...&Wang, Na.(2021).FAST discovery of an extremely radio-faint millisecond pulsar from the Fermi-LAT unassociated source 3FGL J0318.1+0252.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,64(12). |
MLA | Wang, Pei,et al."FAST discovery of an extremely radio-faint millisecond pulsar from the Fermi-LAT unassociated source 3FGL J0318.1+0252".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 64.12(2021). |
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