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- W3100284380 abstract "We have observed a bright flare of Sgr A* in the near infrared with the adaptive optics assisted integral field spectrometer SINFON. Within the uncertainties, the observed spectrum is featureless and can be described by a power law. Our data suggest that the spectral index is correlated with the instantaneous flux and that both quantities experience significant changes within less than one hour. We argue that the near infrared flares from Sgr A* are due to synchrotron emission of transiently heated electrons, the emission being affected by orbital dynamics and synchrotron cooling, both acting on timescales of ~20 minutes." @default.
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- W3100284380 date "2006-03-14" @default.
- W3100284380 modified "2023-09-25" @default.
- W3100284380 title "Variations in the Spectral Slope of Sagittarius A* during a Near-Infrared Flare" @default.
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- W3100284380 doi "https://doi.org/10.1086/503557" @default.
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