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Radio Observations of the Afterglow of GRB 030329

机译:GRB 030329余辉的无线电观测

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We present results of the radio observations of the afterglow of GRB 030329 with the Nobeyama 45-m telescope. The observations were made at 23.5GHz, 43GHz, and 90GHz. The light curves show a steep decline after a constant phase. The start time of the decline depends on the frequency. Namely, the decline started earlier at a higher frequency. The spectrum has a peak in the mm wavelength range. The peak frequency and the peak flux decreased with time. These results are consistent with the expectation from the fireball model.
机译:我们用Nobeyama 45米望远镜介绍了GRB 030329余辉的无线电观测结果。观察是在23.5GHz,43GHz和90GHz下进行的。恒定相位后,光曲线显示出急剧下降。下降的开始时间取决于频率。即,下降开始的频率较高。光谱在毫米波长范围内有一个峰值。峰值频率和峰值通量随时间降低。这些结果与火球模型的预期一致。

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