成像原行星：用非冗余掩蔽观测过渡盘
Imaging protoplanets: observing transition disks with non-redundant masking
摘要：
过渡盘，即具有内部空隙的原行星盘，是有希望直接成像形成行星的物体。高对比度成像技术的非冗余掩蔽是很好的提出，以检测行星质量的同伴在几个到几十个AU附近的过渡盘。我们提出了非冗余的掩蔽观测的T茶和LkCa 15过渡盘，这两个主机假定的亚恒星质量的同伴。然而，由于该技术固有的信息丢失，扩展源（例如来自磁盘的散射光）的观测可能被误解为移动的同伴。我们讨论的测试，以区分这两种情况下，与应用程序的T茶和LkCa 15的意见。我们认为，一个静态的，前向散射盘可以解释的T查数据，而LkCa 15是最好的解释多个轨道同伴。
英文摘要：
Transition disks, protoplanetary disks with inner clearings, are promising objects in which to directly image forming planets. The high contrast imaging technique of non-redundant masking is well posed to detect planetary mass companions at several to tens of AU in nearby transition disks. We present non-redundant masking observations of the T Cha and LkCa 15 transition disks, both of which host posited sub-stellar mass companions. However, due to a loss of information intrinsic to the technique, observations of extended sources (e.g. scattered light from disks) can be misinterpreted as moving companions. We discuss tests to distinguish between these two scenarios, with applications to the T Cha and LkCa 15 observations. We argue that a static, forward-scattering disk can explain the T Cha data, while LkCa 15 is best explained by multiple orbiting companions.
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