SN1997br is one of the supernovae discovered by the Beijing Observatory. The photo on the left is the image of the extragalaxy ESO 1318-2147 before the outbreak of the supernova and on the right is the image of the di...SN1997br is one of the supernovae discovered by the Beijing Observatory. The photo on the left is the image of the extragalaxy ESO 1318-2147 before the outbreak of the supernova and on the right is the image of the discovered supernova with its location indicated by an arrow. SN 1997br belongs to a special kind of la-type supernovae. Our research of them is of special importance in advancing our cosmological knowledge.展开更多
文摘SN1997br is one of the supernovae discovered by the Beijing Observatory. The photo on the left is the image of the extragalaxy ESO 1318-2147 before the outbreak of the supernova and on the right is the image of the discovered supernova with its location indicated by an arrow. SN 1997br belongs to a special kind of la-type supernovae. Our research of them is of special importance in advancing our cosmological knowledge.