标题： 具有温暖吸收体的活动星系的复杂X射线光谱 显示英文标题

标题： The complex X-ray spectra of active galaxies with warm absorbers

摘要： 温吸收体是活动星系核中心区域的重要新探针。到目前为止，它们的存在主要在软 X 射线能谱区被揭示出来。通过观测和模拟这一成分，我们可以深入了解温吸收体本身的性质，它与其他活动星系核组分的关系，以及本征活动星系核（AGN）X 射线能谱的形状。在这里，我们简要回顾温吸收体的基本 X 射线能谱特征（无尘温吸收体、有尘温吸收体、特殊 ~1.1 keV 吸收、发射和反射组分），然后基于 ROSAT X 射线卫星观测的个别天体的分析，详细讨论这些内容。此外，还讨论了 XMM 在提高我们对温物质认识方面的重要性。 显示英文摘要

摘要： Warm absorbers are an important new probe of the central regions of active galaxies. So far, they revealed their existence mainly in the soft X-ray spectral region. In observing and modeling this component, we can learn a lot about the nature of the warm absorber itself, its relation to other components of the active nucleus, and the intrinsic AGN X-ray spectral shape. Here, we briefly review the basic X-ray spectral features of warm absorbers (dust-free WAs, dusty WAs, peculiar ~1.1 keV absorption, emission and reflection components) and then discuss these in more detail based on analyses of individual objects observed with the X-ray satellite ROSAT. The importance of XMM in improving our knowledge of the warm material is discussed.