1. X-ray properties of the mode-switching pulsar PSR B0943+10
- Author
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Benjamin Stappers, A. Horneffer, Stefan Oslowski, Dipanjan Mitra, A. Possenti, Kevin Stovall, Jason W. T. Hessels, Roberto Turolla, Sandro Mereghetti, Michela Rigoselli, Joanna M. Rankin, W. Hermsen, M. Serylak, J. M. Griessmeier, Andrea Tiengo, Paolo Esposito, G. A. E. Wright, L. Kuiper, INAF - Osservatorio Astronomico di Milano (OAM), Istituto Nazionale di Astrofisica (INAF), SRON Netherlands Institute for Space Research (SRON), Scuola Universitaria Superiore Sant'Anna [Pisa] (SSSUP), Istituto Nazionale di Fisica Nucleare, Sezione di Pavia (INFN), Istituto Nazionale di Fisica Nucleare (INFN), Netherlands Institute for Radio Astronomy (ASTRON), Anton Pannekoek Institute for Astronomy, University of Amsterdam [Amsterdam] (UvA), The University of New Mexico [Albuquerque], INAF - Osservatorio Astronomico di Cagliari (OAC), University of Vermont [Burlington], Universita degli Studi di Padova, National Centre for Radio Astrophysics [Pune] (NCRA), Tata Institute for Fundamental Research (TIFR), Jodrell Bank Centre for Astrophysics (JBCA), University of Manchester [Manchester], Max-Planck-Institut für Radioastronomie (MPIFR), University of the Western Cape, Unité Scientifique de la Station de Nançay (USN), Centre National de la Recherche Scientifique (CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers en région Centre (OSUC), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO), Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E), Observatoire des Sciences de l'Univers en région Centre (OSUC), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), Università degli Studi di Milano-Bicocca [Milano] (UNIMIB), Mereghetti, S, Kuiper, L, Tiengo, A, Hessels, J, Hermsen, W, Stovall, K, Possenti, A, Rankin, J, Esposito, P, Turolla, R, Mitra, D, Wright, G, Stappers, B, Horneffer, A, Oslowski, S, Serylak, M, Griessmeier, J, Rigoselli, M, and High Energy Astrophys. & Astropart. Phys (API, FNWI)
- Subjects
History ,Astrophysics::High Energy Astrophysical Phenomena ,Flux ,Astrophysics::Cosmology and Extragalactic Astrophysics ,Astrophysics ,Physics and Astronomy(all) ,01 natural sciences ,Radio spectrum ,Education ,Radio telescope ,stars: neutron ,Pulsar ,pulsars: general ,0103 physical sciences ,X-rays: star ,010303 astronomy & astrophysics ,Astrophysics::Galaxy Astrophysics ,Physics ,[SDU.ASTR.SR]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Solar and Stellar Astrophysics [astro-ph.SR] ,010308 nuclear & particles physics ,Astrophysics::Instrumentation and Methods for Astrophysics ,X-ray ,LOFAR ,Computer Science Applications ,Magnetic field ,pulsars: individual: PSR B0943+10 ,Astrophysics - High Energy Astrophysical Phenomena ,Intensity (heat transfer) - Abstract
The mode-switching pulsar PSR B0943+10 has been extensively studied in the radio band for many years and, more recently, it has been found to vary also in X-rays, with a flux anticorrelated with the radio emission. Here we review the results of long observations of PSR B0943+10 carried out with XMM-Newton and the LOFAR, LWA and Arecibo radio telescopes in 2014. These results support a scenario in which both unpulsed non-thermal emission, likely of magnetospheric origin, and pulsed thermal emission from a small polar cap (~1500 m2) with a strong non-dipolar magnetic field (~ 1014 G), are present during both radio modes and vary in intensity in a correlated way.
- Published
- 2017