超新星ASASSN-151h是近期发现的一颗光变曲线类似于Ia型超新星(SNIa)的超亮超新星(Super Luminous SuperNovae, SLSNe).56Ni的衰变状况与SNIa爆炸过程中的光度直接相关,考虑生成核的退激发能,详细计算了超新星ASASSN-15lh爆炸环境中56Ni衰变产生的热量,估算出所需的56Ni的质量为31.32M⊙,与观测所得的光变曲线给出的ASASSN-15lh所需56Ni≥30M⊙的估计相符。超新星ASASSN-15lh的爆发机制至今还在争论之中,计算结果为进一步研究该超新星的前身星和爆发机制提供参考.
ASASSN-15lh is a super luminous supernova, whose light curve is similar to the type Ia supernova (SN Ia). Since the luminosity of SN Ia is directly related to the decay of 56Ni, in this paper, we consider the de-excitation energy of the new nuclei and calculate the energy generated by the decay of 56Ni in the explosive environment of ASASSN-151h. The calculated 56Ni mass needed by the ASASSN-15lh explosion is 31.32M⊙. This result agrees with the estimation of the mass of 56Ni≥ 30M⊙ derived from the observed light curve of ASASSN-15lh. No agreement has reached for the explosion mechanism of supernova ASASSN-15lh so far. The calculation in this paper provides a reference for the further study on the progenitor and the mechanism of the supernova ASASSN-15lh.