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

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DOI: 10.4236/ns.2011.38087    6,491 Downloads   10,295 Views  
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ABSTRACT

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 chromospheric HK emission time series measurements from the Mount Wilson Observatory and comparable solar data. We show that solar three - component modeling explains well the stellar observations. We find that the 10 - 20% of K - stars disc’s surfaces are occupied by bright active regions.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Bruevich, E. (2011) On chromospheric variations modeling for main-sequence stars of G and K spectral classes. Natural Science, 3, 641-645. doi: 10.4236/ns.2011.38087.

References

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