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Tomographic Simulations of accretion disks in cataclysmic variables - Flickering and wind

机译:催化变量中吸积盘的层析成像模拟-闪烁和风

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Both continuum and emission line flickering are phenomena directly associated with the mass-accretion process. In this work we simulated accretion-disk Doppler maps, including the effects of winds and flickering flares. Synthetic flickering Doppler maps were calculated and the effect of the flickering parameters on the maps was explored. Jets and winds occur in many astrophysical objects where accretion disks are present. Jets are generally absent among the cataclysmic variables (CVs), but there is evidence of mass loss by wind in many objects. CVs are ideal objects to study accretion disks, and consequently to study the wind associated with these disks. We also present simulations of accretion disks, including the presence of a wind with orbital phase resolution. Synthetic Ha line profiles in the optical region were obtained and their corresponding Doppler maps were calculated. The effect of the wind simulation parameters on the wind line profiles was also explored. From this study we verified that optically thick lines and/or emission by diffuse material into the primary Roche lobe are necessary to generate single peaked line profiles, often seen in CVs. The future accounting of these effects is suggested for interpreting Doppler tomography reconstructions.
机译:连续谱线和发射谱线闪烁都是与质量增加过程直接相关的现象。在这项工作中,我们模拟了吸积盘多普勒图,包括风和闪烁耀斑的影响。计算了合成的多普勒频闪图,并探讨了频闪参数对图的影响。在有吸积盘的许多天体物体中,会发生喷射和风。催化变量(CV)中通常没有喷气机,但有证据表明许多物体因风而损失质量。 CV是研究吸积盘并因此研究与这些盘相关的风的理想对象。我们还介绍了吸积盘的模拟,包括存在具有轨道相位分辨率的风。获得了光学区域中的合成Ha线轮廓,并计算了它们相应的多普勒图。还探讨了风模拟参数对风线轮廓的影响。从这项研究中,我们验证了光学粗线和/或扩散材料向主罗氏波瓣的发射是产生单峰线轮廓所必需的,这在CV中经常出现。建议将这些影响的未来考虑因素用于解释多普勒断层扫描重建。

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