Hina Zakir, Miroslav D. Filipović, Luke Barnes, Bärbel S. Koribalski, Andrew M. Hopkins, Sanja Lazarević and Denis Leahy
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引用次数: 0
Abstract
We report the Australian Square Kilometre Array Pathfinder Evolutionary Map of the Universe survey detection of radio continuum emission from SN1996aq, a Type Ic supernova within the nearby face-on spiral galaxy NGC 5584. Analysis at multiple radio frequencies reveals radio emission coincident with SN1996aq. We find a flatter radio spectral index compared to the 2009 observations, indicating rapid evolution of SN1996aq. Conversely, no radio emission is observed from NGC 5584's other known supernova, SN2007af. Furthermore, we identified two other significant radio continuum regions with properties consistent with H ii regions.
我们报告了澳大利亚平方公里阵列 "宇宙进化地图探路者 "巡天探测到的来自SN1996aq的射电连续波发射，SN1996aq是一颗Ic型超新星，位于附近的面旋涡星系NGC 5584内。通过对多个射电频率的分析，发现了与SN1996aq重合的射电发射。与2009年的观测结果相比，我们发现SN1996aq的射电光谱指数更加平坦，这表明SN1996aq正在快速演化。相反，NGC 5584的另一颗已知超新星SN2007af却没有射电辐射。此外，我们还发现了另外两个重要的射电连续波区域，其性质与 H ii 区域一致。
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