Articles with "activity cycle" as a keyword



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Intermittency of the Solar Magnetic Field and Solar Magnetic Activity Cycle

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Published in 2017 at "Solar Physics"

DOI: 10.1007/s11207-017-1069-4

Abstract: Small-scale solar magnetic fields demonstrate features of fractal intermittent behavior, which requires quantification. For this purpose we investigate how the observational estimate of the solar magnetic flux density B$B$ depends on resolution D$D$ in order… read more here.

Keywords: solar magnetic; magnetic flux; cycle; intermittency solar ... See more keywords

Four-month chromospheric and coronal activity cycle in τ Boötis

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Published in 2017 at "Astronomy and Astrophysics"

DOI: 10.1051/0004-6361/201629156

Abstract: We have used our robotic TIGRE facility to closely monitor the star τ Boo during the last three observing seasons 2013–2016 and to determine its S -index variability from the strength of its Ca ii… read more here.

Keywords: cycle; month chromospheric; four month; activity cycle ... See more keywords

Harmonization of three different accelerometers to classify the 24 h activity cycle

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Published in 2024 at "Physiological Measurement"

DOI: 10.1088/1361-6579/ad37ed

Abstract: Increasing interest in measuring key components of the 24 h activity cycle (24-HAC) [sleep, sedentary behavior (SED), light physical activity (LPA), and moderate to vigorous physical activity (MVPA)] has led to a need for better… read more here.

Keywords: hac; harmonization three; three different; activity cycle ... See more keywords