2006年春季Mrk 421和Mrk 501的VERITAS观测
Observations of Mrk 421 and Mrk 501 in Spring 2006 with VERITAS
摘要：
VERITAS，甚高能辐射望远镜成像阵列系统，是位于亚利桑那州南部的四个成像大气切伦科夫望远镜阵列。它对能量超过100 GeV的伽马射线敏感。在这里，我们讨论了两个著名的VHE blazar，Markarian 421和Markarian 501，在2006年春天，这是在VERITAS的调试阶段的前两个望远镜的观测结果。在这段时间的大部分时间里，Mrk 421处于异常活跃的状态，而Mrk 501处于低得多的通量状态。因此，这些观测为测试仪器对强源和弱源的灵敏度提供了机会。我们讨论这些意见对我们理解这些对象的影响。
英文摘要：
VERITAS, the Very Energetic Radiation Telescope Imaging Array System, is an array of four imaging Atmospheric Cherenkov telescopes in southern Arizona. It is sensitive to gamma rays at energies above 100 GeV. Here, we discuss the results of observations of two well known VHE blazars, Markarian 421 and Markarian 501, during Spring 2006 which were made with the first two telescopes during the comissioning phase of VERITAS. During most of this time Mrk 421 was in an unusually active state while Mrk 501 was in a much lower flux state. As such, these observations provided an opportunity to test the sensitivity of the instrument to strong and weak sources. We discuss implications of these observations on our understanding of these objects.
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