论文标题
与Hyperion的核心塌陷超新星的光曲线的流体动力模型。 I.质量范围13-25 msun，金属度-3 <= [fe/h] <= 0和sn1999em的情况
Hydrodynamical modeling of the light curves of core collapse supernovae with HYPERION. I. The mass range 13-25 Msun, the metallicities -3<=[Fe/H]<=0 and the case of SN1999em
论文作者
论文摘要
我们介绍了{\ scshape {hyperion}}的最后一个版本（随着辐射扩散的流体动力PPM爆炸），这是一种流体动力密码，旨在计算与大型恒星爆炸相关的爆炸性核合成，残余质量和光曲线。通过此代码，我们计算了一个红色超级模型子集的爆炸，该子集从\ cite {lc18}发布的数据库中获取，用于在$ \ rm \ rm \ rm \ sim 0.20-2.00〜10〜10^{51} {51} 〜ERG $的范围内的各种爆炸能量。这些模拟的主要结果，即残余质量，$ \ rm ^{56} ni $合成，辐射光曲线平稳的光度和长度，分析是星星（质量和金属性）和爆炸能量的初始参数的函数。作为{\ scshape {hyperion}}的第一个应用，我们通过光曲线拟合来估计SN 1999EM的祖先质量和金属性，这是一个经过良好研究的SN IIP。特别是，如果被采用的主机Galaxy NGC 1637的距离为$ \ rm 7.83〜mpc $，则光曲线点的属性向祖细胞的属性，初始质量为$ \ rm 13〜m_ \ odot $，并且金属性[fe/h] = -1 = -1。相反，如果采用的距离模量为$ \ rm 11.7〜mpc $，则所有具有初始质量$ 13 \ leq m/m_ \ odot \ odot \ odot \ leq 15 $的型号和金属性$ \ rm -1 \ leq [fe/h H]
We present the last version of {\scshape{Hyperion}} (HYdrodynamic Ppm Explosion with Radiation diffusION), a hydrodynamic code designed to calculate the explosive nucleosynthesis, remnant mass and light curve associated to the explosion of a massive star. By means of this code we compute the explosion of a subset of red supergiant models, taken from the database published by \cite{lc18}, for various explosion energies in the range $\rm \sim 0.20-2.00~10^{51}~erg$. The main outcomes of these simulations, i.e., remnant mass, $\rm ^{56}Ni$ synthesized, luminosity and length of the plateau of the bolometric light curve, are analyzed as a function of the initial parameters of the star (mass and metallicity) and of the explosion energy. As a first application of {\scshape{Hyperion}} we estimated the mass and the metallicity of the progenitor star of SN 1999em, a well studied SN IIP, by means of the light curve fitting. In particular, if the adopted distance to the host galaxy NGC 1637 is $\rm 7.83~Mpc$, the properties of the light curve point toward a progenitor with an initial mass of $\rm 13~M_\odot$ and a metallicity [Fe/H]=-1. If, on the contrary, the adopted distance modulus is $\rm 11.7~Mpc$, all the models with initial mass $13\leq M/M_\odot\leq 15$ and metallicities $\rm -1\leq [Fe/H] \leq 0$ are compatible with the progenitor of SN 1999em.
