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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Enoto, T.
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Topics
Publications (8/8 displayed)
- 2016Measurements of the Soft Gamma-Ray Emission from SN2014J with Suzakucitations
- 2010Wide-band Suzaku Analysis of the Persistent Emission from SGR 0501+4516 During the 2008 Outburstcitations
- 2009Suzaku Observation of the New Soft Gamma Repeater SGR 0501+4516 in Outburstcitations
- 2008Possible Suzaku detection of non-thermal X-ray signals from a rotating magnetized white dwarfcitations
- 2007Suzaku observations of cyclotron resonances in binary X-ray pulsarscitations
- 2006Possible Suzaku detection of non-thermal X-ray signals from a rotating magnetized white dwarf
- 2006Possible Suzaku detection of non-thermal X-ray signals from a rotating magnetized white dwarf
- 2006Possible Suzaku detection of non-thermal X-ray signals from a rotating magnetized white dwarf
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article
Wide-band Suzaku Analysis of the Persistent Emission from SGR 0501+4516 During the 2008 Outburst
Abstract
We observed the soft gamma repeater SGR 0501+4516 with Suzaku for ~51 ks on 2008 August 26-27, about 4 days after its discovery. Following the first paper, which reported on the persistent soft X-ray emission and the wide-band spectrum of an intense short burst, this paper presents an analysis of the persistent broadband (1-70 keV) spectra of this source in outburst, taken with the X-ray Imaging Spectrometer (XIS) and the Hard X-ray Detector (HXD). Pulse-phase folding in the 12-35 keV HXD-PIN data on an ephemeris based on multi-satellite timing measurements at soft X-rays revealed the pulsed signals at gsim99% confidence in the hard X-ray band. The wide-band spectrum clearly consists of a soft component and a separate hard component, crossing over at ~7 keV. When the soft component is modeled by a blackbody plus a Comptonized blackbody, the hard component exhibits a 20-100 keV flux of 4.8<SUP>+0.8</SUP> <SUB>-0.6</SUB>(stat.)<SUP>+0.8</SUP> <SUB>-0.4</SUB>(sys.) × 10<SUP>-11</SUP> erg s<SUP>-1</SUP> cm<SUP>-2</SUP> and a photon index of Γ = 0.79<SUP>+0.20</SUP> <SUB>-0.18</SUB>(stat.)<SUP>+0.01</SUP> <SUB>-0.06</SUB>(sys.). The hard X-ray data are compared with those obtained by INTEGRAL about 1 day later. Combining the present results with those on other magnetars, we discuss a possible correlation between the spectral hardness of magnetars and their characteristic age and magnetic field strengths.