ACCRETION OUTBURSTS IN CIRCUMPLANETARY DISKS
ACCRETION OUTBURSTS IN CIRCUMPLANETARY DISKS
复制标题
环行星盘中的吸积爆发
DOI：
10.1088/2041-8205/749/2/l37
复制
发表时间：
2012
期刊：
影响因子：
--
通讯作者：
R. Martin
中科院分区：
文献类型：
--
作者：
S. Lubow;R. Martin
我们描述了一个模型的长期演变的一个环行星际盘，是美联储的质量从一个拱盘，并包含低湍流（死区）的地区。我们表明，这样的磁盘可以受到吸积驱动的爆发，类似于爆发先前建模的背景下，拱盘解释FU奥里现象。原木星周围的行星盘可以经历爆发的范围内，典型的金牛座T阶段的吸积率的磁盘上的吸入吸积率。在爆发期间，吸积率和盘的光度增加了几个数量级。在行星气体吸积期间，大部分行星质量的增长可能是通过盘爆发发生的，其中涉及的气体比稳态模型预测的要热得多。对于发生在盘吸积后期的低的下落吸积率，即使存在死区，盘爆发也不太可能发生。这些条件有利于冰卫星的形成。
We describe a model for the long-term evolution of a circumplanetary disk that is fed mass from a circumstellar disk and contains regions of low turbulence (dead zones). We show that such disks can be subject to accretion-driven outbursts, analogous to outbursts previously modeled in the context of circumstellar disks to explain FU Ori phenomena. Circumplanetary disks around a proto-Jupiter can undergo outbursts for infall accretion rates onto the disks in the range , typical of accretion rates in the T Tauri phase. During outbursts, the accretion rate and disk luminosity increases by several orders of magnitude. Most of the planet mass growth during planetary gas accretion may occur via disk outbursts involving gas that is considerably hotter than predicted by steady state models. For low infall accretion rates that occur in late stages of disk accretion, disk outbursts are unlikely to occur, even if dead zones are present. Such conditions are favorable for the formation of icy satellites.
DOI：
10.1111/j.1365-2966.2008.14184.x
发表时间：
2008-11
影响因子：
4.8
作者：
Ben A. Ayliffe;M. Bate
通讯作者：
Ben A. Ayliffe;M. Bate