论文标题

Shine Brite:通过高级模型散发出恒星变异性的灯光

Shine BRITE: shedding light on stellar variability through advanced models

论文作者

Fabbian, D., Kupka, F., Krueger, D., Kostogryz, N. M., Piskunov, N.

论文摘要

正确解释来自下一代的大量复杂数据(尤其是基于空间)的观察设施需要非常强大的理论基础。因此,人们可以预测,在不久的将来,通过使用三维(3-D)辐射磁性水力学(RMHD)代码获得的大气模型,并与先进的辐射转移处理相结合,包括非局部热力学平衡(非LET)效应(非L-LTE)效应和极性效应和极性,将成为规范。特别是,除脉动以外,还可以通过几种不同的效果诱导凉爽(即频谱型F,G,K和M)的恒星亮度变异性。我们简要讨论一些文献结果,并提及我们最近的一些进展。最后,我们试图窥视理解恒星生活的这一重要方面的未来。

The correct interpretation of the large amount of complex data from next-generation (in particular, space-based) observational facilities requires a very strong theoretical underpinning. One can thus predict that in the near future the use of atmospheric models obtained through the use of three-dimensional (3-D) radiation magnetohydrodynamics (RMHD) codes, coupled with advanced radiative transfer treatment including non-local thermodynamic equilibrium (non-LTE) effects and polarisation, will become the norm. In particular, stellar brightness variability in cool (i. e., spectral type F, G, K, and M) stars can be induced by several different effects, besides pulsation. We briefly discuss some literature results and mention some of our recent progress. Finally, we attempt to peek into the future of understanding this important aspect of the life of stars.

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