UBVRI photometry of SN 2004et
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We present optical photometry and spectroscopy of the Type IIP supernova SN 2004et that occurred in the nearby galaxy NGC 6946. The observations span a time range of 8541 d...
本研究报道了发生在邻近星系NGC 6946中的I型平台超新星(Type IIP Supernova)SN 2004et的光学测光(optical photometry)与光谱学观测(spectroscopy)数据。本次观测的时间跨度达8541天……



