Photometry and spectra of SN 2017dio
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SN 2017dio shows both spectral characteristics of a type-Ic supernova (SN) and signs of a hydrogen-rich circumstellar medium (CSM). Prominent, narrow emission lines of H and He...
超新星2017dio(SN 2017dio)同时具备Ic型超新星(Type-Ic Supernova)的光谱特征,以及富氢星周介质(circumstellar medium,CSM)的相关迹象。其氢(H)与氦(He)的显著窄发射线……




