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Magnetar nebulae can be rotationally powered

Published online by Cambridge University Press:  04 June 2018

Diego F. Torres
Diego F. Torres*
Affiliation:
Institute of Space Sciences (IEEC-CSIC), Campus UAB, Carrer de Magrans s/n, 08193 Barcelona, Spain email: [email protected] Institució Catalana de Recerca i Estudis Avançats (ICREA), E-08010 Barcelona, Spain
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Abstract

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A wind nebula generating extended X-ray emission was recently detected surrounding Swift 1834.9-0846. This is the first magnetar for which such a (pulsar) wind nebula (PWN) was found. I demonstrate that Swift 1834.9-0846’s nebula can be rotationally-powered if it is being compressed by the environment. The physical reason behind this is the dominance of adiabatic heating over all other cooling and escape processes. This effect can happen only for pulsars of relatively low spin-down power and can make for very efficient nebulae. This contribution is based on previous work published in ApJ 835, article id. 54, 13 pp. (2017).

Keywords

pulsars: nebulaepulsars: magnetarspulsars: individual: Swift J1834.9–0846
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S337: Pulsar Astrophysics the Next Fifty Years , September 2017 , pp. 255 - 258
Copyright
Copyright © International Astronomical Union 2018 

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