论文标题
重新审视同源爆炸的光球经济衰退和发光度
Photosphere Recession and Luminosity of Homologous Explosions Revisited
论文作者
论文摘要
通过假设位于射流的最边缘的光球，Arnett等人。 （1980，1982，1989）在分析和数值上介绍了超新星中同源爆炸的光曲线，以包括重组效应。实际上，随着同源扩张的进行，光球更深入地退出了射出。在这种情况下，Photosphere半径在早期增加，并在后期减少，可以通过Liu等人提出的简单方法来描述。 （2018）。为了研究光球衰退如何影响光度的演变，我们对光电施加边界条件，以确定弹出气温的空间和时间分布，这是合理的。我们发现，与先前的结果相比，光球衰退降低了光度，而没有经济衰退，可以通过观察到IIP型超新星的观察。
By assuming the photosphere located at the outmost edge of the ejecta, Arnett et al. (1980, 1982, 1989) presented the light curves of homologous explosions in supernovae analytically and numerically to include recombination effects. Actually as homologous expansion proceeds, the photosphere recedes deeper into the ejecta. In this situation, the photosphere radius increases at early times and decreases later on which can be described by a simple method proposed by Liu et al. (2018). To study how the photosphere recession effect the luminosity evolution, we impose a boundary condition on the photosphere to determine the spatial and time distribution of the temperature of the ejecta which is clarified to be reasonable. We find that the photosphere recession reduce the luminosity compared with the previous result without the recession, which can be tested with observations of Type-IIP supernovae.
