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Flows along arch filaments observed in the GRIS ‘very fast spectroscopic mode’

Published online by Cambridge University Press:  12 September 2017

S. J. González Manrique
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, 14482 Potsdam, Germany email: smanrique@aip.de Universität Potsdam, Institut für Physik and Astronomie, 14476 Potsdam, Germany
C. Denker
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, 14482 Potsdam, Germany email: smanrique@aip.de
C. Kuckein
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, 14482 Potsdam, Germany email: smanrique@aip.de
A. Pastor Yabar
Affiliation:
Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain Departamento de Astrofísica, Universidad de La Laguna, 38205 La Laguna, Tenerife, Spain
M. Collados
Affiliation:
Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain
M. Verma
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, 14482 Potsdam, Germany email: smanrique@aip.de
H. Balthasar
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, 14482 Potsdam, Germany email: smanrique@aip.de
A. Diercke
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, 14482 Potsdam, Germany email: smanrique@aip.de Universität Potsdam, Institut für Physik and Astronomie, 14476 Potsdam, Germany
C. E. Fischer
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, 79104 Freiburg, Germany
P. Gömöry
Affiliation:
Astronomical Institute, Academy of Sciences, 05960 Tatranská Lomnica, Slovak Republic
N. Bello González
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, 79104 Freiburg, Germany
R. Schlichenmaier
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, 79104 Freiburg, Germany
M. Cubas Armas
Affiliation:
Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain Departamento de Astrofísica, Universidad de La Laguna, 38205 La Laguna, Tenerife, Spain
T. Berkefeld
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, 79104 Freiburg, Germany
A. Feller
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, 79104 Freiburg, Germany
S. Hoch
Affiliation:
Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany
A. Hofmann
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, 14482 Potsdam, Germany email: smanrique@aip.de
A. Lagg
Affiliation:
Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany
H. Nicklas
Affiliation:
Institut für Astrophysik, Georg-August-Universität, 37077 Göttingen, Germany
D. Orozco Suárez
Affiliation:
Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain Departamento de Astrofísica, Universidad de La Laguna, 38205 La Laguna, Tenerife, Spain
D. Schmidt
Affiliation:
National Solar Observatory, Sacramento Peak, Sunspot, NM 88349, USA
W. Schmidt
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, 79104 Freiburg, Germany
M. Sigwarth
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, 79104 Freiburg, Germany
M. Sobotka
Affiliation:
Astronomical Institute, Academy of Sciences, 25165 Ondřejov, Czech Republic
S. K. Solanki
Affiliation:
Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany School of Space Research, Kyung Hee University, Yongin, Gyeonggi-Do, 446-701, Korea
D. Soltau
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, 79104 Freiburg, Germany
J. Staude
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, 14482 Potsdam, Germany email: smanrique@aip.de
K. G. Strassmeier
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, 14482 Potsdam, Germany email: smanrique@aip.de
R. Volkmer
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, 79104 Freiburg, Germany
O. von der Lühe
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, 79104 Freiburg, Germany
T. Waldmann
Affiliation:
Kiepenheuer-Institut für Sonnenphysik, 79104 Freiburg, Germany
Corresponding
E-mail address:
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Abstract

A new generation of solar instruments provides improved spectral, spatial, and temporal resolution, thus facilitating a better understanding of dynamic processes on the Sun. High-resolution observations often reveal multiple-component spectral line profiles, e.g., in the near-infrared He i 10830 Å triplet, which provides information about the chromospheric velocity and magnetic fine structure. We observed an emerging flux region, including two small pores and an arch filament system, on 2015 April 17 with the ‘very fast spectroscopic mode’ of the GREGOR Infrared Spectrograph (GRIS) situated at the 1.5-meter GREGOR solar telescope at Observatorio del Teide, Tenerife, Spain. We discuss this method of obtaining fast (one per minute) spectral scans of the solar surface and its potential to follow dynamic processes on the Sun. We demonstrate the performance of the ‘very fast spectroscopic mode’ by tracking chromospheric high-velocity features in the arch filament system.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2017 

References

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Flows along arch filaments observed in the GRIS ‘very fast spectroscopic mode’
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