First very low frequency detection of short repeated burstds from MAGNETAR SGR J1550−5418

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dc.contributor.authorTanaka, Y. T
dc.contributor.authorRaulin, Jean-Pierre
dc.contributor.authorBertoni, Fernando C. P.
dc.contributor.authorFagundes, P. R.
dc.contributor.authorChau Chong Shing, Jorge Luis
dc.contributor.authorSchuch, N. J
dc.contributor.authorHayakawa, M.
dc.contributor.authorHobara, Y.
dc.contributor.authorTerasawa, T.
dc.contributor.authorTakahashi, T.
dc.date.accessioned2018-06-26T16:27:15Z
dc.date.available2018-06-26T16:27:15Z
dc.date.issued2010-08
dc.description.abstractWe report on the first detection of ionospheric disturbances caused by short repeated gamma-ray bursts from the magnetar SGR J1550−5418. Very low frequency (VLF) radio wave data obtained in South America clearly show sudden amplitude and phase changes at the corresponding times of eight soft gamma-ray repeater bursts. Maximum amplitude and phase changes of the VLF signals appear to be correlated with the gamma-ray fluence. On the other hand, VLF recovery timescales do not show any significant correlation with the fluence, possibly suggesting that the bursts’ spectra are not similar to each other. In summary, Earth’s ionosphere can be used as a very large gamma-ray detector and the VLF observations provide us wit.
dc.description.peer-reviewPor pares
dc.formatapplication/pdf
dc.identifier.citationTanaka, Y. T., Raulin, J. -P., Bertoni, F. C. P., Fagundes, P. R., Chau, J. L., Schuch, N. J., ... Takahashi, T. (2010). First very low frequency detection of short repeated burstds from MAGNETAR SGR J1550−5418.==$The Astrophysical Journal Letters, 721$==(1), L24-L27. https://doi.org/10.1088/2041-8205/721/1/L24
dc.identifier.doihttps://doi.org/10.1088/2041-8205/721/1/L24
dc.identifier.govdocindex-oti2018
dc.identifier.journalThe Astrophysical Journal Letters
dc.identifier.urihttp://hdl.handle.net/20.500.12816/1551
dc.language.isoeng
dc.publisherAmerican Astronomical Society
dc.relation.ispartofurn:issn:0004-637X
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectSudden ionospheric disturbances
dc.subjectGamma ray eruptions
dc.subjectVLF radio wave propagation
dc.subjectGamma ray spectrometry
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01
dc.titleFirst very low frequency detection of short repeated burstds from MAGNETAR SGR J1550−5418
dc.typeinfo:eu-repo/semantics/article

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