Spectroscopy of 462 nearby Type Ia supernovae

We present 2603 spectra of 462 nearby Type Ia supernovae (SNe Ia), including 2065 previously unpublished spectra, obtained during 1993-2008 through the Center for Astrophysics...本研究报道了1993年至2008年间通过天体物理学中心（Center for Astrophysics）获取的462颗近邻Ia型超新星（SNe Ia）的2603条光谱，其中2065条为此前未发表的光谱。