Access count of this item: 77

Files in This Item:
File Description SizeFormat 
0004-637X_805_1_82.pdf861.32 kBAdobe PDFView/Open
Full metadata record
DC FieldValueLanguage
dc.contributor.authorMurase, Kohtaja
dc.contributor.authorKashiyama, Kazumija
dc.contributor.authorKiuchi, Kentaja
dc.contributor.authorBartos, Imreja
dc.contributor.alternative木内, 建太ja
dc.date.accessioned2015-10-20T05:05:55Z-
dc.date.available2015-10-20T05:05:55Z-
dc.date.issued2015-05-20-
dc.identifier.issn0004-637Xja
dc.identifier.urihttp://hdl.handle.net/2433/200655-
dc.description.abstractIt has been suggested that some classes of luminous supernovae (SNe) and gamma-ray bursts (GRBs) are driven by newborn magnetars. Fast-rotating proto-neutron stars have also been of interest as potential sources of gravitational waves (GWs). We show that for a range of rotation periods and magnetic fields, hard X-rays and GeV gamma rays provide us with a promising probe of pulsar-aided SNe. It is observationally known that young pulsar wind nebulae (PWNe) in the Milky Way are very efficient lepton accelerators. We argue that, if embryonic PWNe satisfy similar conditions at early stages of SNe (in ~1?10 months after the explosion), external inverse-Compton emission via upscatterings of SN photons is naturally expected in the GeV range as well as broadband synchrotron emission. To fully take into account the Klein?Nishina effect and two-photon annihilation process that are important at early times, we perform detailed calculations including electromagnetic cascades. Our results suggest that hard X-ray telescopes such as NuSTAR can observe such early PWN emission by follow-up observations in months to years. GeV gamma-rays may also be detected by Fermi for nearby SNe, which serve as counterparts of these GW sources. Detecting the signals will give us an interesting probe of particle acceleration at early times of PWNe, as well as clues to driving mechanisms of luminous SNe and GRBs. Since the Bethe?Heitler cross section is lower than the Thomson cross section, gamma rays would allow us to study subphotospheric dissipation. We encourage searches for high-energy emission from nearby SNe, especially SNe Ibc including super-luminous objects.ja
dc.format.mimetypeapplication/pdfja
dc.language.isoengja
dc.publisherAmerican Astronomical Societyja
dc.rights© 2015. The American Astronomical Society.ja
dc.titleGAMMA-RAY AND HARD X-RAY EMISSION FROM PULSAR-AIDED SUPERNOVAE AS A PROBE OF PARTICLE ACCELERATION IN EMBRYONIC PULSAR WIND NEBULAEja
dc.type.niitypeJournal Articleja
dc.identifier.ncidAA00553242ja
dc.identifier.jtitleThe Astrophysical Journalja
dc.identifier.volume805ja
dc.identifier.issue1ja
dc.relation.doi10.1088/0004-637X/805/1/82ja
dc.textversionpublisherja
dc.identifier.artnum82ja
Appears in Collections:Journal Articles

Show simple item record

Export to RefWorks


Export Format: 


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.