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Panchromatic imaging and modeling of SSTtau J042021+281349: A new prototypical edge-on protoplanetary disk

机译:SSTTAU J042021 + 281349的全形成像和建模:一种新型原型的原型边缘网状磁盘

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We present new high-resolution observations and modeling of SSTtau J042021+ 281349, a 400 AU-radius edge-on protoplanetary disk. We have gathered visible and near-infrared scattered light images of the system with the Hubble Space Telescope and Keck adaptive optics system, as well as a 1.3 mm continuum map with CARMA. Compared to the well-known HH 30 disk, this new system is remarkable because of its spectacular bipolar jet and the high degree of lateral symmetry of the disk. Indeed, we argue that this system is a "cleaner" prototype for edge-on disks. In addition, the apparent achromaticity of dust properties (most notably the almost grey opacity law) from the visible to the near-infrared in this disk suggests that it is in an advanced stage of dust evolution.
机译:我们提出了新的高分辨率观测和SSTTAU J042021 + 281349的建模,一个400 Au-Radius边缘的原子层盘。我们已经收集了具有哈勃空间望远镜和凯克自适应光学系统的系统的可见和近红外散射光图像,以及带Carma的1.3毫米连续体图。与众所周知的HH30盘相比,这种新系统由于其壮观的双极射流和磁盘的高度对称性而言是显着的。实际上,我们认为该系统是用于边缘磁盘的“清洁”原型。此外,灰尘性(最值得注意的是几乎灰色不透明度法)从该盘中的近红外线的明显取代性表明它处于灰尘进化的高级阶段。

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