SN 2006 gy异常谱线的解释
Explaining unusual line profiles of SN 2006gy
摘要：
本文探讨了SN~2006gy第96天极亮IIn型超新星的神秘谱线的起源。在可以想象的可能性中，最优选的是在光学厚的冷致密壳层（CDS）中提出孔的模型。在不透明CDS的内侧发射的线辐射通过孔逃逸，从而产生不寻常的线轮廓，发射红移。空穴的出现可能是由于剧烈的瑞利-泰勒不稳定性导致CDS碎裂。具有CDS碎裂的模型光变曲线与SN~2006gy的辐射热光变曲线一致。
英文摘要：
Origin of enigmatic line profiles of extremely luminous type IIn supernova SN~2006gy on day 96 is explored. Among conceivable possibilities the most preferred is the model that suggests holes in the optically thick cool dense shell (CDS). The line radiation emitted at the inner side of the opaque CDS escapes through the holes thus producing unusual line profile with the emission shifted redward. The holes could emerge as a result of a vigorous Rayleigh-Taylor instability leading to the CDS fragmentation. The model light curve with the CDS fragmentation is shown to be consistent with the SN~2006gy bolometric light curve.
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