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A pulsar-based time-scale from the International Pulsar Timing Array
Hobbs, G.1; Guo, L.2; Caballero, R. N.3,4; Coles, W.5; Lee, K. J.3; Manchester, R. N.1; Reardon, D. J.6; Matsakis, D.7; Tong, M. L.8; Arzoumanian, Z.9; Bailes, M.6; Bassa, C. G.10; Bhat, N. D. R.11; Brazier, A.12,13; Burke-Spolaor, S.14,15; Champion, D. J.4; Chatterjee, S.12; Cognard, I16,17; Dai, S.1; Desvignes, G.4; Dolch, T.18; Ferdman, R. D.19; Graikou, E.4; Guillemot, L.16,17; Janssen, G. H.10,20; Keith, M. J.21; Kerr, M.22; Kramer, M.4; Lam, M. T.14; Liu, K.4; Lyne, A.21; Lazio, T. J. W.22; Lynch, R.14,24; McKee, J. W.4; McLaughlin, M. A.14,15; Mingarelli, C. M. F.25; Nice, D. J.26; Oslowski, S.6; Pennucci, T. T.23; Perera, B. B. P.21; Perrodin, D.27; Possenti, A.27,28; Russell, C. J.29; Sanidas, S.21; Sesana, A.30; Shaifullah, G.10; Shannon, R. M.6,31; Simon, J.32; Spiewak, R.6; Stairs, I. H.33; Stappers, B. W.21; Swiggum, J. K.34; Taylor, S. R.35; Theureau, G.16,17,36; Toomey, L.1; van Haasteren, R.32; Wang, J. B.37; Wang, Y.38; Zhu, X. J.39
2020-02-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume491Issue:4Pages:5951-5965
Contribution Rank37
AbstractWe have constructed a new time-scale, TT(IPTA16), based on observations of radio pulsars presented in the first data release from the International Pulsar Timing Array (IPTA). We used two analysis techniques with independent estimates of the noise models for the pulsar observations and different algorithms for obtaining the pulsar time-scale. The two analyses agree within the estimated uncertainties and both agree with TT(BIPM17), a post-corrected time-scale produced by the Bureau International des Poids et Mesures (BIPM). We show that both methods could detect significant errors in TT(BIPM17) if they were present. We estimate the stability of the atomic clocks from which TT(BIPM17) is derived using observations of four rubidium fountain clocks at the US Naval Observatory. Comparing the power spectrum of TT(IPTA16) with that of these fountain clocks suggests that pulsar-based time-scales are unlikely to contribute to the stability of the best time-scales over the next decade, but they will remain a valuable independent check on atomic time-scales. We also find that the stability of the pulsar-based time-scale is likely to be limited by our knowledge of solar-system dynamics, and that errors in TT(BIPM17) will not be a limiting factor for the primary goal of the IPTA, which is to search for the signatures of nano-Hertz gravitational waves.
Keywordtime pulsars: general
DOI10.1093/mnras/stz3071
Indexed BySCI
Language英语
WOS KeywordGRAVITATIONAL-WAVES ; MILLISECOND PULSAR ; PRECISION ; PACKAGE ; TEMPO2 ; LIMITS ; DISPERSION ; NOISE ; MODEL
Funding ProjectCommonwealth Government ; Netherlands Foundation for Scientific Research NWO ; ERC Advanced Grant `LEAP'[227947] ; STFC ; 'Programme National de Cosmologie et Galaxies (PNCG)' programme of CNRS/INSU, France ; 'Gravitation, References, Astronomie, M'etrologie (GRAM)' programme of CNRS/INSU, France ; National Natural Science Foundation of China[11873076] ; Simons Foundation ; National Science Foundation (NSF) PIRE program[0968296] ; NSF Physics Frontiers Center award[1430824] ; National Basic Research Program of China, 973 Program[2015CB857101] ; NSFC[U15311243] ; NSFC[11690024] ; NSFC[11503007] ; NSFC[91636111] ; NSFC[11690021] ; MPG ; National Natural Science Foundation of China (NSFC)[U1431117] ; National Natural Science Foundation of China (NSFC)[11010250] ; IMPRS Bonn/Cologne ; Bonn-Cologne Graduate School (BCGS) ; NSF EPSCoR award[1458952] ; European Research Council[610058] ; NASA ; NSF[AST-1100968] ; [XDB23010200]
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000512310600104
PublisherOXFORD UNIV PRESS
Funding OrganizationCommonwealth Government ; Netherlands Foundation for Scientific Research NWO ; ERC Advanced Grant `LEAP' ; STFC ; 'Programme National de Cosmologie et Galaxies (PNCG)' programme of CNRS/INSU, France ; 'Gravitation, References, Astronomie, M'etrologie (GRAM)' programme of CNRS/INSU, France ; National Natural Science Foundation of China ; Simons Foundation ; National Science Foundation (NSF) PIRE program ; NSF Physics Frontiers Center award ; National Basic Research Program of China, 973 Program ; NSFC ; MPG ; National Natural Science Foundation of China (NSFC) ; IMPRS Bonn/Cologne ; Bonn-Cologne Graduate School (BCGS) ; NSF EPSCoR award ; European Research Council ; NASA ; NSF
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/3373
Collection中国科学院新疆天文台
Corresponding AuthorHobbs, G.; Manchester, R. N.; Shannon, R. M.
Affiliation1.CSIRO Astron & Space Sci, Australia Telescope Natl Facil, Box 76, Epping, NSW 1710, Australia
2.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
3.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
4.Max Planck Inst Radioastron, Hugel 69, D-53121 Bonn, Germany
5.Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA
6.Swinburne Univ Technol, Ctr Astrophys & Supercomp, POB 218, Hawthorn, Vic 3122, Australia
7.US Naval Observ, Naval Res Lab, 4555 Overlook Ave SW, Washington, DC 20375 USA
8.Chinese Acad Sci, Natl Time Serv Ctr, Xian 710600, Shaanxi, Peoples R China
9.NASA, Astrophys Sci Div, Goddard Space Flight Ctr Green Belt, Greenbelt, MD 20771 USA
10.ASTRON, Netherlands Inst Radio Astron, Oude Hoogeveensedijk 4, NL-7991 PD Dwingeloo, Netherlands
11.Curtin Univ, Int Ctr Radio Astron Res, Bentley, WA 6102, Australia
12.Cornell Univ, Cornell Ctr Astrophys & Planetary Sci, Ithaca, NY 14853 USA
13.Cornell Univ, Cornell Ctr Adv Comp, Ithaca, NY 14853 USA
14.West Virginia Univ, Dept Phys & Astron, Morgantown, WV 26506 USA
15.West Virginia Univ, Ctr Gravitat Waves & Cosmol, Chestnut Ridge Res Bldg, Morgantown, WV 26505 USA
16.Univ Orlians, CNRS, LPC2E, F-45071 Orleans, France
17.PSL Univ, Observ Paris, Stn Radioastron Nancay, CNRS INSU, F-18330 Nancay, France
18.Hillsdale Coll, Dept Phys, 33 E Coll St, Hillsdale, MI 49242 USA
19.Univ East Anglia, Norwich Res Pk, Norwich NR4 7TJ, Norfolk, England
20.Radboud Univ Nijmegen, IMAPP, Dept Astrophys, POB 9010, NL-6500 GL Nijmegen, Netherlands
21.Univ Manchester, Jodrell Bank Ctr Astrophys, Manchester M13 9PL, Lancs, England
22.Naval Res Lab, Space Sci Div, Washington, DC 20375 USA
23.Eotvos Lorand Univ, Inst Phys, MTA ELTE Extragalat Astrophys Res Grp, Hungarian Acad Sci, Pazmany PS 1-A, H-1117 Budapest, Hungary
24.Green Bank Observ, POB 2, Green Bank, WV 24944 USA
25.Flatiron Inst, Ctr Computat Astrophys, 162 Fifth Ave, New York, NY 10010 USA
26.Lafayette Coll, Phys Dept, Easton, PA 18901 USA
27.INAF, Osservatorio Astron Cagliari, Via Sci 5, I-09047 Selargius, CA, Italy
28.Univ Cagliari, Dip Fis, SP Monserrato Sestu Km 0-700, I-09042 Monserrato, Italy
29.CSIRO Sci Comp, Australian Technol Pk,Lacked Bag 9013, Alexandria, NSW 1435, Australia
30.Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England
31.Australian Res Council, Ctr Excellence Gravitat Wave Discovery, Canberra, ACT, Australia
32.CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
33.Univ British Columbia, Dept Phys & Astron, 6224 Agr Rd, Vancouver, BC V6T 1Z1, Canada
34.Univ Wisconsin, Dept Phys, Ctr Gravitat Cosmol & Astrophys, POB 413, Milwaukee, WI 53201 USA
35.CALTECH, TAPIR, MC 350-17, Pasadena, CA 91125 USA
36.Univ Paris Diderot, CNRS INSU, PSL Univ, Lab Univers & Theories LUTh,Observ Paris, 5 Pl Jules Janssen, F-92190 Meudon, France
37.Chinese Acad Sci, Xinjiang Astron Observ, 150 Sci 1 St, Urumqi 830011, Xinjiang, Peoples R China
38.Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Hubei, Peoples R China
39.Monash Univ, Sch Phys & Astron, Monash Ctr Astrophys MoCA, Clayton, Vic 3800, Australia
Recommended Citation
GB/T 7714
Hobbs, G.,Guo, L.,Caballero, R. N.,et al. A pulsar-based time-scale from the International Pulsar Timing Array[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2020,491(4):5951-5965.
APA Hobbs, G..,Guo, L..,Caballero, R. N..,Coles, W..,Lee, K. J..,...&Zhu, X. J..(2020).A pulsar-based time-scale from the International Pulsar Timing Array.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,491(4),5951-5965.
MLA Hobbs, G.,et al."A pulsar-based time-scale from the International Pulsar Timing Array".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 491.4(2020):5951-5965.
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