The physics of strongly irradiated extrasolar planet thermospheres
强辐射太阳系外行星热层的物理学
基本信息
- 批准号:314569934
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2016
- 资助国家:德国
- 起止时间:2015-12-31 至 2020-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
At Hamburg Observatory we have developed an extensive simulation tool called TPCI ("The PLUTO-CLOUDY Interface'') to study radiation-hydrodynamical problems. TPCI basically provides an interface between PLUTO, i.e., a code to solve (magneto-)hydrodynamic problems, and CLOUDY, a code that solves the microphysical equilibrium state of a gas, given a certain radiation field. TPCI is an extremely useful tool to study the problem of exoplanetary atmospheres irradiated from the host star with its high-energy radiation. Some part of this impinging radiation will be absorbed, causing heating and expansion of the whole atmosphere, which can ultimately lead to substantial mass outflow in the form of a hydrodynamic wind, somewhat similar to the solar wind acceleration as originally proposed by Parker. The essential new feature about TPCI is that the net heating of the irradiated planetary atmosphere is self-consistently computed by the microphysics solver, and not prescribed in an ad-hoc fashion as done in all previous work. Within the context of this application we want to harvest on our previous efforts by both expanding TPCI throught the inclusion of a treatment of metals and molecules and by applying TPCI to further study a variety of physical problems encountered in irradiated extrasolar planet thermospheres. Specifically, we want to apply our new modelling tool to compute the expected absorption signals due to extrasolar planets during transits and compare our model computations to actual observations, we plan to study the influence of superflares on the atmospheric escape from "Hot Jupiters'' and further characterise the transition from hydrodynamically escaping atmospheres to stable thermospheres.
在汉堡天文台,我们开发了一个广泛的模拟工具,称为TPCI(“PLUTO-CLOUDY接口”),以研究辐射流体动力学问题。TPCI基本上提供PLUTO之间的接口,即,一个代码来解决(磁)流体动力学问题,云,一个代码,解决气体的微物理平衡状态,给定一定的辐射场。TPCI是研究主星星高能辐射对系外行星大气影响的一个非常有用的工具。部分撞击的辐射会被吸收,导致整个大气层的加热和膨胀,最终导致大量物质以流体动力风的形式流出,有点类似于帕克最初提出的太阳风加速。关于TPCI的基本新功能是,被照射的行星大气的净加热是自洽计算的微物理求解器,而不是规定在一个特设的方式在所有以前的工作。在本申请的背景下,我们希望收获我们以前的努力,既扩大TPCI alright的治疗金属和分子的列入,并通过应用TPCI进一步研究各种物理问题中遇到的辐射太阳系外行星热层。具体来说,我们希望应用我们的新建模工具来计算由于太阳系外行星在过境期间的预期吸收信号,并将我们的模型计算与实际观测进行比较,我们计划研究超级耀斑对“热对流层”大气逃逸的影响,并进一步研究从流体动力学逃逸大气到稳定热层的过渡。
项目成果
期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
X-ray emission in the enigmatic CVSO 30 system
- DOI:10.1051/0004-6361/201935351
- 发表时间:2019-07
- 期刊:
- 影响因子:6.5
- 作者:S. Czesla;P. Schneider;M. Salz;T. Klocova;T. Schmidt;J. Schmitt
- 通讯作者:S. Czesla;P. Schneider;M. Salz;T. Klocova;T. Schmidt;J. Schmitt
Swift UVOT near-UV transit observations of WASP-121 b
- DOI:10.1051/0004-6361/201732419
- 发表时间:2019-01
- 期刊:
- 影响因子:6.5
- 作者:M. Salz;P. Schneider;Luca Fossati;S. Czesla;J. Schmitt
- 通讯作者:M. Salz;P. Schneider;Luca Fossati;S. Czesla;J. Schmitt
HD 189733 b: bow shock or no shock?
HD 189733 b:弓减震还是不减震?
- DOI:10.1051/0004-6361/201833567
- 发表时间:2019
- 期刊:
- 影响因子:6.5
- 作者:Czesla;Schmitt;J.H.M.M.
- 通讯作者:J.H.M.M.
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Professor Dr. Jürgen H.M.M. Schmitt其他文献
Professor Dr. Jürgen H.M.M. Schmitt的其他文献
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{{ truncateString('Professor Dr. Jürgen H.M.M. Schmitt', 18)}}的其他基金
Chromospheric activity and late stellar evolution
色球层活动和晚期恒星演化
- 批准号:
421949046 - 财政年份:2019
- 资助金额:
-- - 项目类别:
Research Grants
Exploring the effects of limb darkening on multi-wavelength photometric and spectroscopic studies of extrasolar planets
探索临边变暗对太阳系外行星多波长光度和光谱研究的影响
- 批准号:
402218555 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Research Grants
The outer atmospheres of cool M dwarfs
冷 M 矮星的外层大气
- 批准号:
397701660 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Research Grants
Starspots meet planets: A new tool to investigate the physics of transiting exoplanetary systems around active stars
星黑子遇见行星:研究活跃恒星周围凌日系外行星系统物理学的新工具
- 批准号:
361764338 - 财政年份:2017
- 资助金额:
-- - 项目类别:
Priority Programmes
Dynamical processes in stellar astrophysics: A combination of spectroscopic monitoring with state-of-the-art theoretical modeling
恒星天体物理学中的动力学过程:光谱监测与最先进的理论建模的结合
- 批准号:
350361355 - 财政年份:2017
- 资助金额:
-- - 项目类别:
Research Grants
Atmospheric heating in low-mass solar-like stars: A Multi-wavelength study of stellar atmospheres using ASTROSAT and TIGRE
低质量类太阳恒星的大气加热:使用 ASTROSAT 和 TIGRE 对恒星大气进行多波长研究
- 批准号:
323617461 - 财政年份:2017
- 资助金额:
-- - 项目类别:
Research Grants
The stellar content of wide-angle soft X-ray sky surveys
广角软X射线巡天的恒星含量
- 批准号:
314771936 - 财政年份:2016
- 资助金额:
-- - 项目类别:
Research Grants
Characterization of extrasolar planets through transmission spectroscopy
通过透射光谱表征太阳系外行星
- 批准号:
281454604 - 财政年份:2015
- 资助金额:
-- - 项目类别:
Research Grants
The age distribution of stars in the immediate solar environment
直接太阳环境中恒星的年龄分布
- 批准号:
283666120 - 财政年份:2015
- 资助金额:
-- - 项目类别:
Research Grants
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