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Coordinated observations between China and Europe to follow active region 12709

Published online by Cambridge University Press:  24 September 2020

S. J. González Manrique Open the ORCID record for S. J. González Manrique [Opens in a new window] ,
C. Kuckein Open the ORCID record for C. Kuckein [Opens in a new window] ,
P. Gömöry ,
S. Yuan ,
Z. Xu ,
J. Rybák ,
H. Balthasar  and
P. Schwartz
S. J. González Manrique
Affiliation:
Astronomical Institute, Slovak Academy of Sciences, 05960 Tatranská Lomnica, Slovak Republic email: [email protected]
C. Kuckein
Affiliation:
Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany
P. Gömöry
Affiliation:
Astronomical Institute, Slovak Academy of Sciences, 05960 Tatranská Lomnica, Slovak Republic email: [email protected]
S. Yuan
Affiliation:
Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650011, China
Z. Xu
Affiliation:
Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650011, China
J. Rybák
Affiliation:
Astronomical Institute, Slovak Academy of Sciences, 05960 Tatranská Lomnica, Slovak Republic email: [email protected]
H. Balthasar
Affiliation:
Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany
P. Schwartz
Affiliation:
Astronomical Institute, Slovak Academy of Sciences, 05960 Tatranská Lomnica, Slovak Republic email: [email protected]
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Abstract

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We present the first images of a coordinated campaign to follow active region NOAA 12709 on 2018 May 13 as part of a joint effort between three observatories (China-Europe). The active region was close to disk center and enclosed a small pore, a tight polarity inversion line and a filament in the chromosphere. The active region was observed with the 1.5-meter GREGOR solar telescope on Tenerife (Spain) with spectropolarimetry using GRIS in the He i 10830 Å spectral range and with HiFI using two broad-band filter channels. In addition, the Lomnicky Stit Observatory (LSO, Slovakia) recorded the same active region with the new Solar Chromospheric Detector (SCD) in spectroscopic mode at Hα 6562 Å. The third ground-based telescope was located at the Fuxian Solar Observatory (China), where the active region was observed with the 1-meter New Vacuum Solar Telescope (NVST), using the Multi-Channel High Resolution Imaging System at Hα 6562 Å. Overlapping images of the active region from all three telescopes will be shown as well as preliminary Doppler line-of-sight (LOS) velocities. The potential of such observations are discussed.

Keywords

Sun: activitySun: chromosphereSun: filamentsSun: magnetic fields
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S354: Solar and Stellar Magnetic Fields: Origins and Manifestations , June 2019 , pp. 58 - 61
Copyright
© International Astronomical Union 2020

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