Rogel Mari D. Sese氏（筑波大学　宇宙理論物理研究室）

「Parametric Studies of Massive Circumstellar Disks」

- abstract -
The existence of circumstellar disks has been recently observed in several massive protostellar candidates. However, these disk are usually shrouded by an envelope, making it difficult to determine its properties. We have developed a 2-D radiative transfer code using flux-limited diffusion (FLD) approximation to investigate massive star formation sites. Using our code, we have seen that most of the intensity is radiated in the far-infrared range due to re-emission by dust particles within the disk. We also calculated the theoretical image in the face-on and edge-on views. Furthermore, we investigated how the different disk parameters affect the spectral energy distribution (SEDs). We believe that our work may be used to infer disk parameters from physical observables.

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