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arXiv 0812.1415astro-ph
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用VERITAS在北天选定的恒星附近搜索VHE $γ$ -射线发射

Search for VHE $γ$-ray emission in the vicinity of selected pulsars of the Northern Sky with VERITAS

Ester Aliu

摘要:

一般认为,双星通过相对论粒子的强大风来耗散它们的旋转能量。这些风的限制导致了在同步加速器和逆康普顿辐射的电磁波谱谱中可见的发光脉冲星风星云(PWNe)的形成。最近,许多新的探测已经产生了最高能量的甚高能量(VHE)伽马射线观测确定PWNe作为银河系VHE伽马射线发射的最常见的来源之一。我们在这里报告的VHE伽马射线发射的初步结果,在第一年的操作的完整VERITAS阵列在北半球的一个充满活力的和/或密切的恒星的选择。

英文摘要:

It is generally believed that pulsars dissipate their rotational energy through powerful winds of relativistic particles. Confinement of these winds leads to the formation of luminous pulsar wind nebulae (PWNe) seen across the electromagnetic spectrum in synchrotron and inverse Compton emission. Recently, many new detections have been produced at the highest energies by Very High Energy (VHE) gamma-ray observations identifying PWNe as among the most common sources of galactic VHE gamma -ray emission. We report here on the preliminary results of a search for VHE gamma-ray emission towards a selection of energetic and/or close pulsars in the Norther hemisphere in the first years of operations of the full VERITAS array.

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