On chromospheric variations modeling for main-sequence stars of G and K spectral classes

来源 :自然科学期刊(英文) | 被引量 : 0次 | 上传用户:cdwkevin
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
We present a method of 13 late-type main-sequence stars chromospheric flux observation data calculations. These Sun-like stars have well-determined cyclic flux variations similar to the 11-year solar activity cycle. Our flux prediction is based on chromos
其他文献
农田水利效益参数是正确分析农田水利经济效益的基础,是水利投资决策的依据。没有科学的农田水利效益参数,就没有水利投资决策的科学化。鉴于其这种特殊重要的地位,因而,如何
Thermal convection in the Antarctic Ice Sheet was proposed in 1970. Demonstrating its existence proved to be elusive. In 2009, tributaries to ice streams were p
党的十二大确定了到本世纪末实现在提高经济效益前提下工农业年产值翻两番的经济增长战略任务。1978年以来,全国各地认真贯彻执行了党的农村各项政策,不同程度地促进了经济增
Surprisingly recent astronomical observations have provided strong evidence that our universe is not only expanding, but also is expanding at an accelerating ra
There are many appearances in the literature of reliable observations of studying so-called “jets” and “sprites” - the discharges in the gigantic natural ca
一、资源概况云南省磷矿资源得天独厚,主要集中分布在滇池周围,就资源数量和质量而言,滇池地区磷矿资源(简称滇磷)居全国之首。探明地质储量达41.87亿吨,其中P<sub>2</sub>O<su
The spatial distribution and community structure of the fishes were studied at different depths and sites along the Jordanian coast in seagrass habitat. A total
The deflection of the vertical reflects the mass distribution and density anomaly of celestial bodies. Lunar deflections of the vertical include directional inf
Using the monthly mean NCEP dataset, the analysis of the upward and downward propagation of planetary waves was conducted by means of the three-dimensional Elia
A CFD(Computational Fluid Dynamics) model has been developed using the commercial CFD package FLUENT for the thermal convection inside air filled cylindrical DA