Lense-Thirring frame dragging induced by a fast-rotating white dwarf in a binary pulsar system

被引：53

作者：

Krishnan, V. Venkatraman ^{[1
,2
]}

Bailes, M. ^{[1
,3
]}

van Straten, W. ^{[4
]}

Wex, N. ^{[2
]}

Freire, P. C. C. ^{[2
]}

Keane, E. F. ^{[1
,5
]}

Tauris, T. M. ^{[2
,6
,7
]}

Rosado, P. A. ^{[1
,9
]}

Bhat, N. D. R. ^{[8
]}

Flynn, C. ^{[1
]}

Jameson, A. ^{[1
]}

Ostowski, S. ^{[1
]}

机构：

[1] Swinburne Univ Technol, Ctr Astrophys & Supercomp, Melbourne, Vic 3122, Australia

[2] Max Planck Inst Radioastron, D-53121 Bonn, Germany

[3] Swinburne Univ Technol, Australian Res Council Ctr Excellence Gravitat Wa, Melbourne, Vic 3122, Australia

[4] Auckland Univ Technol, Inst Radio Astron & Space Res, Auckland 1142, New Zealand

[5] Jodrell Bank Observ, Square Kilometer Array Org, Macclesfield SK11 9DL, Cheshire, England

[6] Aarhus Univ, Aarhus Inst Adv Studies, DK-8000 Aarhus C, Denmark

[7] Aarhus Univ, Dept Phys & Astron, DK-8000 Aarhus C, Denmark

[8] Curtin Univ, Int Ctr Radio Astron Res, Bentley, WA 6102, Australia

[9] Holaluz Clidom SA, Passeig Joan Borb6 99-101,4a Planta, Barcelona 08039, Spain

来源：

SCIENCE | 2020年 / 367卷 / 6477期

基金：

欧洲研究理事会; 澳大利亚研究理事会;

关键词：

RADIO ASTRONOMICAL POLARIMETRY; RELATIVISTIC CELESTIAL MECHANICS; NEUTRON-STARS; SCINTILLATION; COMPANIONS; J1141-6545; SUPERNOVAE; ACCRETION; EVOLUTION; GRAVITY;

D O I：

10.1126/science.aax7007

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Radio pulsars in short-period eccentric binary orbits can be used to study both gravitational dynamics and binary evolution. The binary system containing PSR J1141-6545 includes a massive white dwarf (WD) companion that formed before the gravitationally bound young radio pulsar. We observed a temporal evolution of the orbital inclination of this pulsar that we infer is caused by a combination of a Newtonian quadrupole moment and Lense-Thirring (LT) precession of the orbit resulting from rapid rotation of the WD. LT precession. an effect of relativistic frame dragging, is a prediction of general relativity. This detection is consistent with an evolutionary scenario in which the WD accreted matter from the pulsar progenitor, spinning up the WD to a period of <200 seconds.

引用

页码：577 / +

页数：40

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