Data from the Chandra observation show that the central ten-million-degree Celsius cloud is the remains of a supernova explosion that destroyed a white dwarf star.

• 来自钱德拉的观测数据表明，中心温度达上千万摄氏度的云湍团是超新星爆发的残余，爆发摧毁了一颗白矮星。