Synchronous X-ray and Radio Mode Switches: A Rapid Global Transformation of the Pulsar Magnetosphere

被引：111

作者：

Hermsen, W. ^{[1
,2
]}

Hessels, J. W. T. ^{[2
,3
]}

Kuiper, L. ^{[1
]}

van Leeuwen, J. ^{[2
,3
]}

Mitra, D. ^{[4
]}

de Plaa, J. ^{[1
]}

Rankin, J. M. ^{[2
,5
]}

Stappers, B. W. ^{[6
]}

Wright, G. A. E. ^{[7
]}

Basu, R. ^{[4
]}

Alexov, A. ^{[8
]}

Coenen, T. ^{[2
]}

Griessmeier, J. -M. ^{[9
,10
]}

Hassall, T. E. ^{[6
,11
]}

Karastergiou, A. ^{[12
]}

Keane, E. ^{[13
]}

Kondratiev, V. I. ^{[3
,14
]}

Kramer, M. ^{[6
,13
]}

Kuniyoshi, M. ^{[13
]}

Noutsos, A. ^{[13
]}

Serylak, M. ^{[9
,10
]}

Pilia, M. ^{[3
]}

Sobey, C. ^{[13
]}

Weltevrede, P. ^{[6
]}

Zagkouris, K. ^{[12
]}

Asgekar, A. ^{[3
]}

Avruch, I. M. ^{[1
,3
,15
]}

Batejat, F. ^{[16
]}

Bell, M. E. ^{[11
,17
]}

Bell, M. R. ^{[18
]}

Bentum, M. J. ^{[3
,19
]}

Bernardi, G. ^{[20
]}

Best, P. ^{[21
]}

Birzan, L. ^{[22
]}

Bonafede, A. ^{[23
]}

Breitling, F. ^{[24
]}

Broderick, J. ^{[11
]}

Brueggen, M. ^{[23
]}

Butcher, H. R. ^{[3
,25
]}

Ciardi, B. ^{[18
]}

Duscha, S. ^{[3
]}

Eisloeffel, J. ^{[26
]}

Falcke, H. ^{[3
,13
,27
]}

Fender, R. ^{[11
]}

Ferrari, C. ^{[28
]}

Frieswijk, W. ^{[3
]}

Garrett, M. A. ^{[3
,22
]}

de Gasperin, F. ^{[23
]}

de Geus, E. ^{[3
]}

Gunst, A. W. ^{[3
]}

机构：

[1] SRON Netherlands Inst Space Res, SRON, NL-3584 CA Utrecht, Netherlands

[2] Univ Amsterdam, Astron Inst Anton Pannekoek, NL-1090 GE Amsterdam, Netherlands

[3] Netherlands Inst Radio Astron, ASTRON, NL-7990 AA Dwingeloo, Netherlands

[4] Natl Ctr Radio Astrophys NCFRA TIFR, Pune 411007, Maharashtra, India

[5] Univ Vermont, Dept Phys, Burlington, VT 05405 USA

[6] Univ Manchester, Sch Phys & Astron, Jodrell Bank, Ctr Astrophys, Manchester M13 9PL, Lancs, England

[7] Univ Sussex, Ctr Astron, Brighton BN1 9QJ, E Sussex, England

[8] Space Telescope Sci Inst STScI, Baltimore, MD 21218 USA

[9] Univ Orleans, CNRS, LPC2E, F-45071 Orleans 02, France

[10] CNRS, INSU, Observ Paris, Stn Radioastron Nancay, F-18330 Nancay, France

[11] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England

[12] Univ Oxford, Oxford OX1 3RH, England

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

[14] Ctr Astro Space, Lebedev Phys Inst, Moscow 117997, Russia

[15] Kapteyn Astron Inst, NL-9700 AV Groningen, Netherlands

[16] Chalmers, Onsala Space Observ, Dept Earth & Space Sci, SE-43992 Onsala, Sweden

[17] Univ Sydney, ARC Ctr Excellence All Sky Astrophys CAASTRO, Sydney Inst Astron, Sydney, NSW 2006, Australia

[18] Max Planck Inst Astrophys, D-85741 Garching, Germany

[19] Univ Twente, NL-7500 AE Enschede, Netherlands

[20] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[21] Univ Edinburgh, Royal Observ Edinburgh, Inst Astron, Edinburgh EH9 3HJ, Midlothian, Scotland

[22] Leiden Univ, Leiden Observ, NL-2300 RA Leiden, Netherlands

[23] Univ Hamburg, Hamburger Sternwarte, D-21029 Hamburg, Germany

[24] Leibniz Inst Astrophys Potsdam AIP, D-14482 Potsdam, Germany

[25] Australian Natl Univ, Mt Stromlo Observ, Res Sch Astron & Astrophys, Weston, ACT 2611, Australia

[26] Thuringer Landessternwarte, D-07778 Tautenburg, Germany

[27] Radboud Univ Nijmegen, IMAPP, Dept Astrophys, NL-6500 GL Nijmegen, Netherlands

[28] Univ Nice Sophia Antipolis, CNRS, Observ Cote dAzur, Lab Lagrange,UMR7293, F-06300 Nice, France

[29] Curtin Univ Technol, Int Ctr Radio Astron Res, Perth, WA 6845, Australia

[30] Univ Groningen, CIT, NL-9747 AJ Groningen, Netherlands

[31] Observ Lyon, Ctr Rech Astrophys Lyon, F-69561 St Genis Laval, France

[32] Natl Radio Astron Observ, Charlottesville, VA 22903 USA

[33] UPMC Univ Paris Diderot, CNRS, LESIA Observ Paris, F-92190 Meudon, France

[34] Rhodes Univ, Dept Phys & Elect, ZA-6140 Grahamstown, South Africa

[35] SKA S Africa, ZA-7405 Pinelands, South Africa

[36] Univ Bonn, Argelander Inst Astron, D-53121 Bonn, Germany

来源：

SCIENCE | 2013年 / 339卷 / 6118期

基金：

美国国家科学基金会;

关键词：

XMM-NEWTON OBSERVATIONS; PHOTON IMAGING CAMERA; DRIFTING SUBPULSES; EMPIRICAL-THEORY; POWERED PULSARS; GAMMA-RAY; EMISSION; B0943+10; RADIATION; POLARIZATION;

D O I：

10.1126/science.1230960

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：

Pulsars emit from low-frequency radio waves up to high-energy gamma-rays, generated anywhere from the stellar surface out to the edge of the magnetosphere. Detecting correlated mode changes across the electromagnetic spectrum is therefore key to understanding the physical relationship among the emission sites. Through simultaneous observations, we detected synchronous switching in the radio and x-ray emission properties of PSR B0943+10. When the pulsar is in a sustained radio-"bright" mode, the x-rays show only an unpulsed, nonthermal component. Conversely, when the pulsar is in a radio-"quiet" mode, the x-ray luminosity more than doubles and a 100% pulsed thermal component is observed along with the nonthermal component. This indicates rapid, global changes to the conditions in the magnetosphere, which challenge all proposed pulsar emission theories.

引用

页码：436 / 439

页数：4

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