Four-month chromospheric and coronal activity cycle in τ Boötis
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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