SDSS-II supernovae NTT and NOT spectroscopy
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The Sloan Digital Sky Survey II (SDSS-II) Supernova Survey, conducted between 2005 and 2007, was designed to detect a large number of type Ia supernovae around z~0.2, the...
斯隆数字巡天二期（Sloan Digital Sky Survey II, SDSS-II）超新星巡天于2005年至2007年间开展，旨在探测红移z~0.2附近的大量Ia型超新星，the...
