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|a Kalamkar, M.
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|a MIT Kavli Institute for Astrophysics and Space Research
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|a Homan, Jeroen
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|a Linares Alegret, Manuel
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|a Altamirano, D.
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|a van der Klis, M.
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|a Casella, P.
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|a Homan, Jeroen
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|a Linares Alegret, Manuel
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|a THE IDENTIFICATION OF MAXI J1659-152 AS A BLACK HOLE CANDIDATE
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|b IOP Publishing,
|c 2015-02-27T15:48:05Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/95724
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|a We report on the analysis of all 65 pointed Rossi X-ray Timing Explorer (RXTE) observations of the recently discovered soft X-ray transient MAXI J1659-152 (initially referred to as GRB 100925A). The source was studied in terms of its evolution through the hardness-intensity diagram (HID), as well as its X-ray variability properties. MAXI J1659-152 traced out a counterclockwise loop in the HID, which is commonly seen in transient low-mass X-ray binaries. The variability properties of the source, in particular the detection of type-B and type-C low-frequency quasi-periodic oscillations, and the way they evolve along the HID track, indicate that MAXI J1659-152 is a black hole candidate. The spectral and variability properties of MAXI J1659-152 imply that the source was observed in the hard and soft intermediate states during the RXTE observations, with several transitions between these two states.
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|a NWO of the Netherlands (Rubicon Fellowship)
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|a Article
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|t The Astrophysical Journal. Letters
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