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北美退伍军人节(Veterans Day),12 日无更新
arXiv 0908.1409astro-ph.CO
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星系盘的形成和Angular Momentum问题

Galactic Disk Formation and the Angular Momentum Problem

Andreas Burkert

摘要:

星系盘的形成需要了解盘状星系形成的初始条件、影响其长期演化的边界条件以及驱动多相星际介质并调节其恒星形成历史的微物理过程。这些成分中的大多数仍然知之甚少。最近对年轻高红移盘星系的高分辨率观测提供了对星系盘形成和演化早期阶段的深入了解。结合低红移盘的数据,这些观测最终将使我们能够重建晚型星系的起源和演化。我总结了一些主要的问题,需要解决一个更一致的图片星系盘的形成和演化。

英文摘要:

Galactic disk formation requires knowledge about the initial conditions under which disk galaxies form, the boundary conditions that affect their secular evolution and the micro-physical processes that drive the multi-phase interstellar medium and regulate their star formation history. Most of these ingredients are still poorly understood. Recent high-resolution observations of young high-redshift disk galaxies provide insight into early phases of galactic disk formation and evolution. Combined with low-redshift disk data these observations should eventually allow us to reconstruct the origin and evolution of late-type galaxies. I summarize some of the major problems that need to be addressed for a more consistent picture of galactic disk formation and evolution.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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