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Signatures of pulsars in the light curves of newly formed supernova remnants

Kotera, K. and Phinney, E. S. and Olinto, A. V. (2013) Signatures of pulsars in the light curves of newly formed supernova remnants. Monthly Notices of the Royal Astronomical Society, 432 (4). pp. 3228-3236. ISSN 0035-8711.

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We explore the effect of pulsars, in particular those born with millisecond periods, on their surrounding supernova ejectas. While they spin down, fast-spinning pulsars release their tremendous rotational energy in the form of a relativistic magnetized wind that can affect the dynamics and luminosity of the supernova. We estimate the thermal and non-thermal radiations expected from these specific objects, concentrating at times a few years after the onset of the explosion. We find that the bolometric light curves present a high luminosity plateau (that can reach 10^(43)–10^(44) erg s^(−1)) over a few years. An equally bright TeV gamma-ray emission, and a milder X-ray peak (of the order of 10^(40)–10^(42) erg s^(−1)) could also appear a few months to a few years after the explosion, as the pulsar wind nebula emerges, depending on the injection parameters. The observations of these signatures by following the emission of a large number of supernovae could have important implications for the understanding of core-collapse supernovae and reveal the nature of the remnant compact object.

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Additional Information:© 2013 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. Accepted 2013 April 17. Received 2013 April 16; in original form 2013 February 13. First published online: May 21, 2013. We thank L. Dessart, G. Dubus, M. Lemoine, K. Murase, E. Nakar and J. Vink for very fruitful discussions. KK was supported at Caltech by a Sherman Fairchild Fellowship, and acknowledges financial support from PNHE. AVO was supported through the NSF grant PHY-1068696 at the University of Chicago, through the NSF grant PHY-1125897 at the Kavli Institute for Cosmological Physics and through an endowment from the Kavli Foundation.
Funding AgencyGrant Number
Sherman Fairchild FellowshipUNSPECIFIED
Programme National Haute Energies (PNHE)UNSPECIFIED
Kavli FoundationUNSPECIFIED
Subject Keywords:pulsars: general – supernovae: general – gamma-rays: general – X-rays: general
Issue or Number:4
Record Number:CaltechAUTHORS:20130806-095514648
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:39776
Deposited By: Tony Diaz
Deposited On:06 Aug 2013 20:08
Last Modified:03 Oct 2019 05:10

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