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Pulsar science with the Five hundred metre Aperture Spherical Telescope
Smits, R.1; Lorimer, D. R.2,3; Kramer, M.1,4; Manchester, R.5; Stappers, B.1; Jin, C. J.6; Nan, R. D.6; Li, D.7
2009-10-01
发表期刊ASTRONOMY & ASTROPHYSICS
卷号505期号:2页码:919-926
摘要With a collecting area of 70 000 m(2), the Five hundred metre Aperture Spherical Telescope (FAST) will allow for great advances in pulsar astronomy. We have performed simulations to estimate the number of previously unknown pulsars FAST will find with its 19-beam or possibly 100-beam receivers for different survey strategies. With the 19-beam receiver, a total of 5200 previously unknown pulsars could be discovered in the Galactic plane, including about 460 millisecond pulsars (MSPs). Such a survey would take just over 200 days with eight hours survey time per day. We also estimate that, with about 80 six-hour days, a survey of M 31 and M 33 could yield 50-100 extra-Galactic pulsars. A 19-beam receiver would produce just under 500 MB of data per second and requires about 9 tera-ops to perform the major part of a real time analysis. We also simulate the logistics of high-precision timing of MSPs with FAST. Timing of the 50 brightest MSPs to a signal-to-noise of 500 would take about 24 h per epoch.
关键词Stars: Neutron Stars: Pulsars: General Telescopes
DOI10.1051/0004-6361/200911939
收录类别SCI
语种英语
WOS记录号WOS:000270638600045
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文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/7950
专题射电天文研究部
作者单位1.Univ Manchester, Jodrell Bank, Ctr Astrophys, Sch Phys & Astron, Manchester M13 9PL, Lancs, England
2.W Virginia Univ, Dept Phys, Morgantown, WV 26506 USA
3.Green Bank Observ, Natl Radio Astron Observ, Green Bank, WV 24944 USA
4.Max Planck Inst Radioastron, D-53121 Bonn, Germany
5.CSIRO, Australia Telescope Natl Facil, Epping, NSW 1710, Australia
6.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
7.CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
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Smits, R.,Lorimer, D. R.,Kramer, M.,et al. Pulsar science with the Five hundred metre Aperture Spherical Telescope[J]. ASTRONOMY & ASTROPHYSICS,2009,505(2):919-926.
APA Smits, R..,Lorimer, D. R..,Kramer, M..,Manchester, R..,Stappers, B..,...&Li, D..(2009).Pulsar science with the Five hundred metre Aperture Spherical Telescope.ASTRONOMY & ASTROPHYSICS,505(2),919-926.
MLA Smits, R.,et al."Pulsar science with the Five hundred metre Aperture Spherical Telescope".ASTRONOMY & ASTROPHYSICS 505.2(2009):919-926.
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