论文标题
关于红色超级巨人问题
On The Red Supergiant Problem
论文作者
论文摘要
我们研究了估计与IIP超新星型红色超级（RSG）祖细胞相对应的质量范围的问题。使用旨在重现观测值的蒙特卡洛模拟，我们发现Davies＆Beasor（2018）的方法显着高估了最大质量，对于MH/MSUN = 18的输入群体而言，对于输入种群而言，MH/MSUN的上限为MH/MSUN = 20.5 +/- 2.6。我们首选的贝叶斯方法更好，对于相同的输入群体，MH/MSUN = 18.6 +/- 2.1，但也倾向于高估MH。对于实际的祖细胞样品和Salpeter初始质量函数，我们发现MH/MSUN = 19.01-2.04+4.04，对于Eldridge等人。 （2004）Smartt等人使用的质量稀疏关系。 （2009年）和Davies＆Beasor（2018），MH/MSUN = 21.28_-2.28+4.52，Sukhbold等人。 （2018）质量稀疏关系。基于蒙特卡洛模拟，我们估计这些模拟被高估了3.3 +/- 0.8MH。红色的超级巨人问题仍然存在。
We examine the problem of estimating the mass range corresponding to the observed red supergiant (RSG) progenitors of Type IIP supernovae. Using Monte Carlo simulations designed to reproduce the properties of the observations, we find that the approach of Davies & Beasor (2018) significantly overestimates the maximum mass, yielding an upper limit of Mh/Msun=20.5+/-2.6 for an input population with Mh/Msun=18. Our preferred Bayesian approach does better, with Mh/Msun=18.6+/-2.1 for the same input populations, but also tends to overestimate Mh. For the actual progenitor sample and a Salpeter initial mass function we find Mh/Msun=19.01-2.04+4.04 for the Eldridge et al. (2004) mass-luminosity relation used by Smartt et al. (2009) and Davies & Beasor (2018), and Mh/Msun=21.28_-2.28+4.52 for the Sukhbold et al. (2018) mass-luminosity relation. Based on the Monte Carlo simulations, we estimate that these are overestimated by 3.3+/-0.8Mh. The red supergiant problem remains.
