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IPM
30
YEARS OLD

“School of Astronomy”

Paper   IPM / Astronomy / 15707
   School of Astronomy
  Title: MAGNETIC ACTIVITY ANALYSIS FOR A SAMPLE OF G-TYPE MAIN SEQUENCE KEPLER TARGETS
  Author(s):
1 . Ahmad . Mehrabi
2 . Han . He
3 . Habib . Khosroshahi
  Status: Published
  Journal: Astrophysical Journal
  No.: 2
  Vol.: 834
  Year: 2017
  Supported by:           ipm IPM
  Abstract:
The variation of a stellar light curve owing to rotational modulation by magnetic features (starspots and faculae) on the star's surface can be used to investigate the magnetic properties of the host star. In this paper, we use the periodicity and magnitude of the light-curve variation as two proxies to study the stellar magnetic properties for a large sample of G-type main sequence Kepler targets, for which the rotation periods were recently determined. By analyzing the correlation between the two magnetic proxies, it is found that: (1) the two proxies are positively correlated for most of the stars in our sample, and the percentages of negative, zero, and positive correlations are 4.27

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