升级太阳-恒星连接:关于Cool Stars活动的新闻
Upgrading the Solar-Stellar Connection: News about activity in Cool Stars
摘要:
在这次分裂会议上,十位发言者介绍了太阳和恒星活动的结果,以及这两个领域是如何连接的。随后进行了热烈的讨论,并辅以简短的一分钟重点谈话。这些演讲介绍了关于太阳质量吸积、耀斑星活动率、恒星磁场在单个周期时间尺度上和在恒星寿命期间的演变以及模拟冷恒星由于表面颗粒化而产生的径向速度抖动的两种不同方法的新的理论和观测结果。会谈和讨论表明,恒星活动数据的解释在多大程度上依赖于太阳,以及恒星研究中现有的大量天体如何能够扩大活动模型的参数范围。
英文摘要:
In this splinter session, ten speakers presented results on solar and stellar activity and how the two fields are connected. This was followed by a lively discussion and supplemented by short, one-minute highlight talks. The talks presented new theoretical and observational results on mass accretion on the Sun, the activity rate of flare stars, the evolution of the stellar magnetic field on time scales of a single cycle and over the lifetime of a star, and two different approaches to model the radial-velocity jitter in cool stars that is due to the granulation on the surface. Talks and discussion showed how much the interpretation of stellar activity data relies on the sun and how the large number of objects available in stellar studies can extend the parameter range of activity models.
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