论文标题
NGC 1068中的未对准
Misalignments in NGC 1068
论文作者
论文摘要
NGC 1068是类型2的附近活跃的银河核(AGN),这意味着其吸积盘隐藏在大量前景灭绝后面。几个波长的观察结果揭示了核周围的各种磁盘样结构,这可能是负责AGN晦涩的假定圆环的一部分。本文根据近红外的重力/VLTI干涉测量值介绍了结果,该观测值提供了很高的角度分辨率,并洞悉了圆环最内向区域的几何形状。结构的3D方向在几个方面都令人惊讶,因为它与核周围存在的其他磁盘未对准,并且向中心源留下了清晰的视线。
NGC 1068 is a nearby Active Galactic Nucleus (AGN) of type 2, meaning that its accretion disk is hidden behind a large amount of foreground extinction. Observations at several wavelengths have revealed various disk-like structures around the nucleus, all possibly part of the putative torus responsible for the obscuration of the AGN. The paper presents results based on GRAVITY/VLTI interferometric observations in the near-infrared, which provide very high angular resolution, and gives insights into the geometry of the innermost region of the torus. The 3D orientation of the structure is surprising in several aspects, as it is misaligned with other disks present around the nucleus, and leaves a clear line of sight toward the central source.