A two component hot spot/ring model for the NIR flares of Sagittarius A*
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چکیده
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15 صفحه اولA Testable Stochastic Acceleration Model for Flares in Sagittarius A*
The near-IR and X-ray flares in Sagittarius A* are believed to be produced by relativistic electrons via synchrotron and synchrotron self-Comptonization, respectively. These electrons are likely energized by turbulent plasma waves through second order Fermi acceleration that, in combination with the radiative cooling processes, produces a relativistic Maxwellian distribution in the steady state...
متن کاملStochastic Electron Acceleration During the NIR and X-ray Flares in Sagittarius A*
Recent near-IR (NIR) and X-ray observations of Sagittarius A*’s spectrum have yielded several strong constraints on the transient energization mechanism, justifying a re-examination of the stochastic acceleration model proposed previously for these events. We here demonstrate that the new results are fully consistent with the acceleration of electrons via the transit-time damping process. But m...
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ژورنال
عنوان ژورنال: Journal of Physics: Conference Series
سال: 2006
ISSN: 1742-6588,1742-6596
DOI: 10.1088/1742-6596/54/1/069