XMM and INTEGRAL Simultaneous Observations of 1E 1740.7-2942

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INTEGRAL 2012_046.pdf (294.99 KB)

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https://pos.sissa.it/176/046/

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https://doi.org/10.22323/1.176.0046
 http://hdl.handle.net/11603/29680

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UMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
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UMBC Physics Department

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https://orcid.org/0000-0002-4656-6881

Date

2013-07-18

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conference papers and proceedings
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Citation of Original Publication

Castro, Manuel Avila, Taís Maiolino, Flavio D’Amico, Joern Wilms, Katja Pottschmidt, and João Braga. “XMM and INTEGRAL Simultaneous Observations of 1E 1740.7-2942.” In Proceedings of An INTEGRAL View of the High-Energy Sky (the First 10 Years) - 9th INTEGRAL Workshop and Celebration of the 10th Anniversary of the Launch — PoS(INTEGRAL 2012), 176:046. SISSA Medialab, 2013. https://doi.org/10.22323/1.176.0046.

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Abstract

Studies of the long-term spectral variations have been used to constrain the emission processes of black hole candidates. However, a common scenario which is able to explain the emission from soft to hard X-rays has been proposed only recently. Here, we use XMM and INTEGRAL data on 1E 1740.7−2942 in order to demonstrate that Comptonization plays an important role in producing high energy photons, as predicted by the current modeling scenario.