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

W. Hermsen 1 J. W. T. Hessels 2 L. Kuiper 1 J. Van Leeuwen 2 D. Mitra 3 J. De Plaa 1 J. M. Rankin 4 B. W. Stappers 5 G. A. E. Wright 6 R. Basu 7 A. Alexov 8 T. Coenen 9 Jean-Mathias Grießmeier 10 T. E. Hassall 5 A. Karastergiou 11 E. Keane 12 V. I. Kondratiev 8 M. Kramer 13 M. Kuniyoshi 13 A. Noutsos 13 M Serylak 10, 14 M Pilia 8 C. Sobey 13 P. Weltevrede 5 K. Zagkouris 11 A. Asgekar 8 I. M. Avruch 1 F. Batejat 15 M.E. Bell 16 M.R. Bell 13 M. J. Bentum 8 G. Bernardi 17 P. Best 18 L. Birzan 19 A. Bonafede 20 F. Breitling 21 J. Broderick 16 M. Bruggen 20 H. R. Butcher 8 B. Ciardi 22 S. Duscha 8 J. Eisloffel 23 H. Falcke 8, 13, 24 R. Fender 16 C. Ferrari 25 W. Frieswijk 8 M.A. Garrett 8, 19 F. De Gasperin 26 E. De Geus 27 A. W. Gunst 8 G. Heald 8 M. Hoeft 23 A. Horneffer 22 M. Iacobelli 19 G. Kupper 8 P. Maat 8 G. Macario 25 S. Markoff 9 J. P. Mckean 8 M. Mevius 8 J. Miller-Jones 9 R. Morganti 28, 29 H Munk 30 E. Orrù 8 H. Paas 31 M Pandey-Pommier 32 V. N. Pandey 33 R. Pizzo 8 A. G. Polatidis 8 S. Rawlings 34 W. Reich 13 H. Rottgering 19 A. M. M. Scaife 35 A. Schoenmakers 8 A. Shulevski 36 J. Sluman 8 M. Steinmetz 37 Michel Tagger 10 Y. Tang 8 C. Tasse 38, 39 S. Ter Veen 40 R. Vermeulen 8 R.H. Van de Brink 8 R.J. Van Weeren 8 R. A. M. J. Wijers 9 M. W. Wise 9, 8 O. Wucknitz 41 S. Yatawatta 42 P. Zarka 43
1 SRON - SRON Netherlands Institute for Space Research
2 UvA - University of Amsterdam [Amsterdam]
3 National Centre for Radio Astrophysics
4 University of Vermont [Burlington]
5 Jodrell Bank Centre for Astrophysics
6 Astronomy Centre, University of Sussex
7 National Centre for Radio Astrophysics (NCFRA-TIFR) , Ganeshkhind, Pune University Campus, Pune 411007, India.
8 ASTRON - Netherlands Institute for Radio Astronomy
9 AI PANNEKOEK - Astronomical Institute Anton Pannekoek
10 LPC2E - Laboratoire de Physique et Chimie de l'Environnement et de l'Espace
11 Oxford Astrophysics
12 Centre for Astrophysics and Supercomputing
13 MPIFR - Max-Planck-Institut für Radioastronomie
14 USN - Unité Scientifique de la Station de Nançay
15 Onsala Space Observatory
16 University of Southampton [Southampton]
17 CfA - Harvard-Smithsonian Center for Astrophysics
18 University of Edinburgh
19 Leiden Observatory [Leiden]
20 Jacobs University [Bremen]
21 AIP - Leibniz-Institut für Astrophysik Potsdam
22 Max Planck Institute for Astrophysics
23 TLS - Thüringer Landessternwarte Tautenburg
24 Radboud university [Nijmegen]
25 Laboratoire Lagrange, UMR7293, Université de Nice
26 Hamburger Sternwarte/Hamburg Observatory
27 Medstar Research Institute
28 ASTRON - Netherlands Institute for Radio Astronomy
29 Kapteyn Astronomical Institute
30 Netherlands Institute for Radio Astronomy ( ASTRON )
31 Center for Information Technology CIT
32 CRAL - Centre de Recherche Astrophysique de Lyon
33 NRAO - National Radio Astronomy Observatory [Charlottesville]
34 Oxford Astrophysics
35 School of Physics and Astronomy [Southampton]
36 Kapteyn Astronomical Institute, Groningen
37 AIP - Leibniz-Institut für Astrophysik Potsdam
38 SKA South Africa
39 LESIA - Laboratoire d'études spatiales et d'instrumentation en astrophysique
40 IMAPP - Institute for Mathematics, Astrophysics and Particle Physics
41 AlfA - Argelander Institut für Astronomie
42 KAPTEYN ASTRONOMICAL INSTITUTE - Kapteyn Astronomical Institute
43 OP - Observatoire de Paris - Site de Paris
Abstract : Pulsars emit low-frequency radio waves through to high-energy gamma-rays that are generated anywhere from the surface out to the edges of the magnetosphere. Detecting correlated mode changes in the multi-wavelength emission is therefore key to understanding the physical relationship between these emission sites. Through simultaneous observations, we have 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 un-pulsed, non-thermal 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 non-thermal component. This indicates rapid, global changes to the conditions in the magnetosphere, which challenge all proposed pulsar emission theories.
Type de document :
Article dans une revue
Science, American Association for the Advancement of Science, 2013, 339 (6118), pp.436-439. 〈10.1126/science.1230960〉
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W. Hermsen, J. W. T. Hessels, L. Kuiper, J. Van Leeuwen, D. Mitra, et al.. Synchronous X-ray and Radio Mode Switches: a Rapid Global Transformation of the Pulsar Magnetosphere. Science, American Association for the Advancement of Science, 2013, 339 (6118), pp.436-439. 〈10.1126/science.1230960〉. 〈insu-01288734〉

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