The Sun-like activity of the solar twin 18 Scorpii
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🌌 astro-ph
keywords
solaractivitybrightnessscorpiitwinvariationchromosphericcomplementary
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We present the results of 10 yr of complementary spectroscopic and photometric observations of the solar twin 18 Scorpii. We show that over the course of its ~7 year chromospheric activity cycle, 18 Sco's brightness varies in the same manner as the Sun's and with a likely brightness variation of 0.09%, similar to the 0.1% decadal variation in the total solar irradiance.
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Cited by 1 Pith paper
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Asteroseismology of solar-type stars
This review summarizes the development, techniques, and open questions in asteroseismology of solar-type stars whose oscillations are stochastically excited by surface convection.
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