ATOMDB

AtomDB is an atomic database useful for X-ray plasma spectral modeling. The current version of AtomDB is primarly used for modeing collisional plasmas, those where hot electrons colliding with astrophysically abundant elements and ions create X-ray emission. However, AtomDB is also useful when modeling absorption by elements and ions or even photoionized plasmas, where X-ray photons (often from a simple power-law source) interacting with elements and ions create complex spectra.AtomDB是一款适用于X射线等离子体光谱建模的原子数据库。当前版本的AtomDB主要被用于模拟碰撞等离子体，即热电子与天体物理中丰度较高的元素和离子发生碰撞从而产生X射线辐射的情形。然而，在模拟元素和离子的吸收或甚至光电离等离子体的光谱时，AtomDB亦具有显著的应用价值，其中X射线光子（通常来自简单的幂律源）与元素和离子相互作用，产生复杂的光谱。