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Solar Physics
Germany

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Works (50 of 54)

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Multiple Stokes I inversions to infer magnetic fields in the spectral range around Cr I 5782 Å

arXiv e-prints
2021-07 | Working paper
Contributors: Kuckein, C.; Balthasar, H.; Quintero Noda, C.; Diercke, A.; Trelles Arjona, J. C.; Ruiz Cobo, B.; Felipe, T.; Denker, C.; Verma, M.; Kontogiannis, I. et al.
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NASA Astrophysics Data System

Study Of Global-scale Surface Flows Of The Sun In Past 10 Solar Cycles

American Astronomical Society Meeting Abstracts
2021-06 | Conference abstract
Contributors: Li, Q.; Xu, Y.; Verma, M.; Denker, C.; Wang, H.
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NASA Astrophysics Data System

Filigree in the Surroundings of Polar Crown and High-Latitude Filaments

Solar Physics
2021-02 | Journal article
Contributors: Diercke, Andrea; Kuckein, Christoph; Verma, Meetu; Denker, Carsten
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NASA Astrophysics Data System

Wavelength Dependence of Image Quality Metrics and Seeing Parameters and Their Relation to Adaptive Optics Performance

Solar Physics
2021-02 | Journal article
Contributors: Kamlah, R.; Verma, M.; Diercke, A.; Denker, C.
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NASA Astrophysics Data System

Classification of High-resolution Solar Hα Spectra Using t-distributed Stochastic Neighbor Embedding

The Astrophysical Journal
2021-01 | Journal article
Contributors: Verma, Meetu; Matijevič, Gal; Denker, Carsten; Diercke, Andrea; Dineva, Ekaterina; Balthasar, Horst; Kamlah, Robert; Kontogiannis, Ioannis; Kuckein, Christoph; Pal, Partha S.
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NASA Astrophysics Data System

Revisiting the building blocks of solar magnetic fields by GREGOR

Solar and Stellar Magnetic Fields: Origins and Manifestations
2020 | Conference paper
Contributors: Utz, Dominik; Kuckein, Christoph; Campos Rozo, Jose Iván; González Manrique, Sergio Javier; Balthasar, Horst; Gömöry, Peter; Hernández, Judith Palacios; Denker, Carsten; Verma, Meetu; Kontogiannis, Ioannis et al.
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NASA Astrophysics Data System

Sun-as-a-star observations of the 2017 August 21 solar eclipse

Solar and Stellar Magnetic Fields: Origins and Manifestations
2020 | Conference paper
Contributors: Dineva, Ekaterina; Denker, Carsten; Verma, Meetu; Strassmeier, Klaus G.; Ilyin, Ilya; Milic, Ivan
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NASA Astrophysics Data System

The magnetic structure and dynamics of a decaying active region

Solar and Stellar Magnetic Fields: Origins and Manifestations
2020 | Conference paper
Contributors: Kontogiannis, Ioannis; Kuckein, Christoph; González Manrique, Sergio Javier; Felipe, Tobias; Verma, Meetu; Balthasar, Horst; Denker, Carsten
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NASA Astrophysics Data System

Observational study of chromospheric heating by acoustic waves

Astronomy and Astrophysics
2020-10 | Journal article
BIBCODE:

2020A&A...642A..52A

Contributors: Abbasvand, V.; Sobotka, M.; Švanda, M.; Heinzel, P.; García-Rivas, M.; Denker, C.; Balthasar, H.; Verma, M.; Kontogiannis, I.; Koza, J. et al.
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NASA Astrophysics Data System

High-resolution Spectroscopy of an Erupting Minifilament and Its Impact on the Nearby Chromosphere

The Astrophysical Journal
2020-08 | Journal article
Contributors: Kontogiannis, I.; Dineva, E.; Diercke, A.; Verma, M.; Kuckein, C.; Balthasar, H.; Denker, C.
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NASA Astrophysics Data System

Study of Global-Scale Surface Flows of the Sun in Past 10 Solar Cycles

AAS/Solar Physics Division Meeting
2020-08 | Conference abstract
Contributors: Li, Q.; Xu, Y.; Denker, C.; Verma, M.; Wang, H.
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NASA Astrophysics Data System

High-resolution spectroscopy of a surge in an emerging flux region

Astronomy and Astrophysics
2020-07 | Journal article
BIBCODE:

2020A&A...639A..19V

Contributors: Verma, M.; Denker, C.; Diercke, A.; Kuckein, C.; Balthasar, H.; Dineva, E.; Kontogiannis, I.; Pal, P. S.; Sobotka, M.
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NASA Astrophysics Data System

Solar observatory Einstein Tower: Data release of the digitized solar full-disk photographic plate archive

Astronomische Nachrichten
2020-07 | Journal article
Contributors: Pal, Partha S.; Verma, Meetu; Rendtel, Jürgen; González Manrique, Sergio Javier; Enke, Harry; Denker, Carsten
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NASA Astrophysics Data System

Magnetic Flux Emergence in a Coronal Hole

Solar Physics
2020-05 | Journal article
Contributors: Palacios, Judith; Utz, Dominik; Hofmeister, Stefan; Krikova, Kilian; Gömöry, Peter; Kuckein, Christoph; Denker, Carsten; Verma, Meetu; González Manrique, Sergio Javier; Campos Rozo, Jose Iván et al.
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NASA Astrophysics Data System

Cloud model inversions of strong chromospheric absorption lines using principal component analysis

Astronomische Nachrichten
2020-01 | Journal article
Contributors: Dineva, Ekaterina; Verma, Meetu; González Manrique, Sergio J.; Schwartz, Pavol; Denker, Carsten
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NASA Astrophysics Data System

Emergence of small-scale magnetic flux in the quiet Sun

Astronomy and Astrophysics
2020-01 | Journal article
BIBCODE:

2020A&A...633A..67K

Contributors: Kontogiannis, I.; Tsiropoula, G.; Tziotziou, K.; Gontikakis, C.; Kuckein, C.; Verma, M.; Denker, C.
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NASA Astrophysics Data System

Measuring the etalon quality of the GREGOR Fabry-Pérot interferometer

Journal of Astronomical Telescopes, Instruments, and Systems
2020-01 | Journal article
Contributors: Verma, Meetu; Denker, Carsten
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NASA Astrophysics Data System

Background-Subtracted Solar Activity Maps

Solar Physics
2019-06 | Journal article
Contributors: Denker, C.; Verma, M.
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NASA Astrophysics Data System

Photospheric Magnetic Fields of the Trailing Sunspots in Active Region NOAA 12396

Solar Polariation Workshop 8
2019-05 | Conference paper
Contributors: Verma, M.; Balthasar, H.; Denker, C.; Böhm, F.; Fischer, C. E.; Kuckein, C.; González Manrique, S. J.; Sobotka, M.; Bello González, N.; Diercke, A. et al.
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NASA Astrophysics Data System

The Effects of Stellar Activity on Optical High-resolution Exoplanet Transmission Spectra

The Astronomical Journal
2018-11 | Journal article
Contributors: Cauley, P. Wilson; Kuckein, Christoph; Redfield, Seth; Shkolnik, Evgenya L.; Denker, Carsten; Llama, Joe; Verma, Meetu
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NASA Astrophysics Data System

Temporal evolution of arch filaments as seen in He I 10 830 Å

Astronomy and Astrophysics
2018-09 | Journal article
BIBCODE:

2018A&A...617A..55G

Contributors: González Manrique, S. J.; Kuckein, C.; Collados, M.; Denker, C.; Solanki, S. K.; Gömöry, P.; Verma, M.; Balthasar, H.; Lagg, A.; Diercke, A.
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NASA Astrophysics Data System

High-resolution imaging and near-infrared spectroscopy of penumbral decay

Astronomy and Astrophysics
2018-06 | Journal article
BIBCODE:

2018A&A...614A...2V

Contributors: Verma, M.; Denker, C.; Balthasar, H.; Kuckein, C.; Rezaei, R.; Sobotka, M.; Deng, N.; Wang, H.; Tritschler, A.; Collados, M. et al.
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NASA Astrophysics Data System

High-cadence Imaging and Imaging Spectroscopy at the GREGOR Solar Telescope—A Collaborative Research Environment for High-resolution Solar Physics

The Astrophysical Journal Supplement Series
2018-05 | Journal article
Contributors: Denker, Carsten; Kuckein, Christoph; Verma, Meetu; González Manrique, Sergio J.; Diercke, Andrea; Enke, Harry; Klar, Jochen; Balthasar, Horst; Louis, Rohan E.; Dineva, Ekaterina
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NASA Astrophysics Data System

On the extent of the moat flow in axisymmetric sunspots

Astronomische Nachrichten
2018-05 | Journal article
Contributors: Verma, M.; Kummerow, P.; Denker, C.
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NASA Astrophysics Data System

The origin of two X-class flares in active region NOAA 12673. Shear flows and head-on collision of new and preexisting flux

Astronomy and Astrophysics
2018-05 | Journal article
BIBCODE:

2018A&A...612A.101V

Contributors: Verma, Meetu
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NASA Astrophysics Data System

Counter-streaming flows in a giant quiet-Sun filament observed in the extreme ultraviolet

Astronomy and Astrophysics
2018-03 | Journal article
BIBCODE:

2018A&A...611A..64D

Contributors: Diercke, A.; Kuckein, C.; Verma, M.; Denker, C.
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NASA Astrophysics Data System

Image Quality in High-resolution and High-cadence Solar Imaging

Solar Physics
2018-03 | Journal article
Contributors: Denker, C.; Dineva, E.; Balthasar, H.; Verma, M.; Kuckein, C.; Diercke, A.; González Manrique, S. J.
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NASA Astrophysics Data System

Ca II 8542 Å brightenings induced by a solar microflare

Astronomy and Astrophysics
2017-12 | Journal article
BIBCODE:

2017A&A...608A.117K

Contributors: Kuckein, C.; Diercke, A.; González Manrique, S. J.; Verma, M.; Löhner-Böttcher, J.; Socas-Navarro, H.; Balthasar, H.; Sobotka, M.; Denker, C.
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NASA Astrophysics Data System

Flows along arch filaments observed in the GRIS `very fast spectroscopic mode'

Fine Structure and Dynamics of the Solar Atmosphere
2017-10 | Conference paper
Contributors: González Manrique, S. J.; Denker, C.; Kuckein, C.; Pastor Yabar, A.; Collados, M.; Verma, M.; Balthasar, H.; Diercke, A.; Fischer, C. E.; Gömöry, P. et al.
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NASA Astrophysics Data System

sTools - a data reduction pipeline for the GREGOR Fabry-Pérot Interferometer and the High-resolution Fast Imager at the GREGOR solar telescope

Fine Structure and Dynamics of the Solar Atmosphere
2017-10 | Conference paper
Contributors: Kuckein, C.; Denker, C.; Verma, M.; Balthasar, H.; González Manrique, S. J.; Louis, R. E.; Diercke, A.
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NASA Astrophysics Data System

Center-to-limb variation of the velocity field in and around a sunspot with light-bridges

SOLARNET IV: The Physics of the Sun from the Interior to the Outer Atmosphere
2017-01 | Conference paper
Contributors: Denker, Carsten; Verma, Meetu; Balthasar, Horst; Diercke, Andrea; González Manrique, S. J.; Löhner-Böttcher, Johannes; Kuckein, Christoph; Sobotka, Michal
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NASA Astrophysics Data System

Multiwavelength study of penumbral decay using GREGOR, VTT, NST, and Hinode

SOLARNET IV: The Physics of the Sun from the Interior to the Outer Atmosphere
2017-01 | Conference paper
Contributors: Verma, Meetu
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NASA Astrophysics Data System

Velocity fields in sunspots derived from observations with the GREGOR Fabry-Pérot Interferometer

SOLARNET IV: The Physics of the Sun from the Interior to the Outer Atmosphere
2017-01 | Conference paper
Contributors: Balthasar, H.; Denker, C.; Diercke, A.; González Manrique, S. J.; Kuckein, C.; Louis, R. E.; Verma, M., Löhner-Böttcher, J.; Sobotka, M.
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NASA Astrophysics Data System

Fitting peculiar spectral profiles in He I 10830Å absorption features

Astronomische Nachrichten
2016-11 | Journal article
Contributors: González Manrique, S. J.; Kuckein, C.; Pastor Yabar, A.; Collados, M.; Denker, C.; Fischer, C. E.; Gömöry, P.; Diercke, A.; Bello González, N.; Schlichenmaier, R. et al.
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NASA Astrophysics Data System

Flow and magnetic field properties in the trailing sunspots of active region NOAA 12396

Astronomische Nachrichten
2016-11 | Journal article
Contributors: Verma, M.; Denker, C.; Böhm, F.; Balthasar, H.; Fischer, C. E.; Kuckein, C.; Bello González, N.; Berkefeld, T.; Collados, M.; Diercke, A. et al.
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NASA Astrophysics Data System

Horizontal flow fields in and around a small active region. The transition period between flux emergence and decay

Astronomy and Astrophysics
2016-11 | Journal article
BIBCODE:

2016A&A...596A...3V

Contributors: Verma, M.; Denker, C.; Balthasar, H.; Kuckein, C.; González Manrique, S. J.; Sobotka, M.; Bello González, N.; Hoch, S.; Diercke, A.; Kummerow, P. et al.
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NASA Astrophysics Data System

Inference of magnetic fields in the very quiet Sun

Astronomy and Astrophysics
2016-11 | Journal article
BIBCODE:

2016A&A...596A...5M

Contributors: Martínez González, M. J.; Pastor Yabar, A.; Lagg, A.; Asensio Ramos, A.; Collados, M.; Solanki, S. K.; Balthasar, H.; Berkefeld, T.; Denker, C.; Doerr, H. P. et al.
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NASA Astrophysics Data System

Probing deep photospheric layers of the quiet Sun with high magnetic sensitivity

Astronomy and Astrophysics
2016-11 | Journal article
BIBCODE:

2016A&A...596A...6L

Contributors: Lagg, A.; Solanki, S. K.; Doerr, H. -P.; Martínez González, M. J.; Riethmüller, T.; Collados Vera, M.; Schlichenmaier, R.; Orozco Suárez, D.; Franz, M.; Feller, A. et al.
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NASA Astrophysics Data System

Solar physics at the Einstein Tower

Astronomische Nachrichten
2016-11 | Journal article
Contributors: Denker, C.; Heibel, C.; Rendtel, J.; Arlt, K.; Balthasar, Juergen H.; Diercke, A.; González Manrique, S. J.; Hofmann, A.; Kuckein, C.; Önel, H. et al.
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NASA Astrophysics Data System

Giant quiescent solar filament observed with high-resolution spectroscopy

Astronomy and Astrophysics
2016-05 | Journal article
BIBCODE:

2016A&A...589A..84K

Contributors: Kuckein, C.; Verma, M.; Denker, C.
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NASA Astrophysics Data System

Flows in and around Active Region NOAA12118 Observed with the GREGOR Solar Telescope and SDO/HMI

Coimbra Solar Physics Meeting: Ground-based Solar Observations in the Space Instrumentation Era
2016-04 | Conference paper
Contributors: Verma, M.; Denker, C.; Balthasar, H.; Kuckein, C.; González Manrique, S. J.; Sobotka, M.; Bello González, N.; Hoch, S.; Diercke, A.; Kummerow, P. et al.
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NASA Astrophysics Data System

The Magnetic Configuration of a δ-Spot

Solar Polarization 7
2014-10 | Conference paper
Contributors: Balthasar, H.; Beck, C.; Louis, R. E.; Verma, M.; Denker, C.
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NASA Astrophysics Data System

Horizontal flow fields observed in Hinode G-band images. IV. Statistical properties of the dynamical environment around pores

Astronomy and Astrophysics
2014-03 | Journal article
BIBCODE:

2014A&A...563A.112V

Contributors: Verma, M.; Denker, C.
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NASA Astrophysics Data System

Near-infrared spectropolarimetry of a δ-spot

Astronomy and Astrophysics
2014-02 | Journal article
BIBCODE:

2014A&A...562L...6B

Contributors: Balthasar, H.; Beck, C.; Louis, R. E.; Verma, M.; Denker, C.
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NASA Astrophysics Data System

High-resolution spectroscopy of a giant solar filament

Nature of Prominences and their Role in Space Weather
2014-01 | Conference paper
Contributors: Kuckein, Christoph; Denker, Carsten; Verma, Meetu
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NASA Astrophysics Data System

Properties of a Decaying Sunspot

Central European Astrophysical Bulletin
2013 | Journal article
Contributors: Balthasar, H.; Beck, C.; Gömöry, P.; Muglach, K.; Puschmann, K. G.; Shimizu, T.; Verma, M.
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NASA Astrophysics Data System

Evaluating local correlation tracking using CO5BOLD simulations of solar granulation

Astronomy and Astrophysics
2013-07 | Journal article
BIBCODE:

2013A&A...555A.136V

Contributors: Verma, M.; Steffen, M.; Denker, C.
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NASA Astrophysics Data System

Statistical characteristics of horizontal proper motions in the vicinity of pores

Solar and Astrophysical Dynamos and Magnetic Activity
2013-07 | Conference paper
Contributors: Verma, Meetu; Denker, Carsten
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NASA Astrophysics Data System

Horizontal flow fields observed in Hinode G-band images. III. The decay of a satellite sunspot and the role of magnetic flux removal in flaring

Astronomy and Astrophysics
2012-09 | Journal article
BIBCODE:

2012A&A...545A..92V

Contributors: Verma, M.; Denker, C.
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NASA Astrophysics Data System

Horizontal flow fields observed in Hinode G-band images. II. Flow fields in the final stages of sunspot decay

Astronomy and Astrophysics
2012-02 | Journal article
BIBCODE:

2012A&A...538A.109V

Contributors: Verma, M.; Balthasar, H.; Deng, N.; Liu, C.; Shimizu, T.; Wang, H.; Denker, C.
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NASA Astrophysics Data System
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