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arXiv 0803.1735astro-ph
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黑洞候选者Swift J1753 .5-0127的多波长观测

Multiwavelength observations of the black hole candidate Swift J1753.5-0127

Paolo Soleri, Diego Altamirano, Rob Fender, Piergiorgio Casella, Valeriu Tudose, Dipankar Maitra, Rudy Wijnands, Tomaso Belloni, James Miller-Jones, Marc Klein-… 展开作者

Paolo Soleri, Diego Altamirano, Rob Fender, Piergiorgio Casella, Valeriu Tudose, Dipankar Maitra, Rudy Wijnands, Tomaso Belloni, James Miller-Jones, Marc Klein-Wolt, Michiel van der Klis

摘要:

我们提出的初步结果,同时多波长观测的黑洞候选人斯威夫特J1753.5-0127的分析。震源仍在继续其2005年5月开始的爆发,从未离开低/硬状态。在X射线能谱中,我们证实了在非常低的光度下可能接近但不在最内层稳定轨道处延伸的热分量的证据。这对于处于低/硬态的黑洞候选者来说是不寻常的。此外,我们确认,它的无线电发射是显着比预期的微弱从其他黑洞候选者之间的关系观察到的无线电/X射线通量。

英文摘要:

We present preliminary results from the analysis of simultaneous multiwavelength observations of the black hole candidate Swift J1753.5-0127. The source is still continuing its outburst started in May 2005, never leaving the Low/Hard State. In the X-ray energy spectra we confirm evidence for a thermal component at a very low luminosity possibly extending close to but not at the innermost stable orbit. This is unusual for black hole candidates in the Low/Hard State. Furthermore, we confirm that its radio emission is significantly fainter than expected from the relation observed in other black hole candidates between the observed radio/X-ray fluxes.

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