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SECIS observations of the June 2001 total solar eclipse were taken using an Fe xiv 5303 A filter. Existing software was modified and new code was developed for the reduction and analysis of these data. The observations, data reduction,…

SECIS observations of the June 2001 total solar eclipse were taken using an Fe {\sc xiv} 5303 {\AA} filter. Automated tools based on wavelet analysis was used to detect intensity oscillations on various areas of the images. Statistical…

Astrophysics · Physics 2007-05-23 A. C. Katsiyannis , D. R. Williams , F. Murtagh , R. T. J. McAteer , F. P. Keenan

Some 8000 images obtained with the SECIS fast-frame CCD camera instrument located at Lusaka, Zambia, during the total eclipse of 21 June 2001 have been analyzed to search for short-period oscillations in intensity that could be a signature…

Solar and Stellar Astrophysics · Physics 2015-05-20 P. Rudawy , K. J. H. Phillips , A. Buczylko , D. R. Williams , F. P. Keenan

The Solar Eclipse Coronal Imaging System (SECIS) is a simple and extremely fast, high-resolution imaging instrument designed for studies of the solar corona. Light from the corona (during, for example, a total solar eclipse) is reflected…

We report on a search for short-period intensity variations in the green-line FeXIV 530.3 nm emission from the solar corona during the 21 August 2017 total eclipse viewed from Idaho in the United States. Our experiment was performed with a…

Solar and Stellar Astrophysics · Physics 2019-05-01 P. Rudawy , K. Radziszewski , A. Berlicki , K. J. H. Phillips , D. B. Jess , P. H. Keys , F. P. Keenan

We consider the problem of automatically (and robustly) isolating and extracting information about waves and oscillations observed in EUV image sequences of the solar corona with a view to near real-time application to data from the…

Astrophysics · Physics 2009-11-13 Scott W. McIntosh , Bart De Pontieu , Steven Tomczyk

As a part of a study of the cause of solar coronal heating, we searched for high-frequency (~1 Hz) intensity oscillations in coronal loops in the [Fe XIV] coronal green line. We summarize results from observations made at the 11 August 1999…

Astrophysics · Physics 2015-06-24 Jay M. Pasachoff , Bryce A. Babcock , Kevin D. Russell , Daniel B. Seaton

On 29 March 2006, a total solar eclipse was observed in the Manavgat district of Antalya, Turkey. During the event, the solar corona was observed using an 8-inch mirrored telescope. White-light polarization observations were carried out at…

Solar and Stellar Astrophysics · Physics 2025-10-10 Hikmet Çakmak

Recent instrumentation has demonstrated that the solar atmosphere supports omnipresent transverse waves, which could play a key role in energizing the solar corona. Large-scale studies are required in order to build up an understanding of…

Solar and Stellar Astrophysics · Physics 2018-07-16 Micah J. Weberg , Richard J. Morton , James A. McLaughlin

During the total solar eclipse of 11 July 2010, multi-slit spectroscopic observations of the solar corona were performed from Easter Island, Chile. To search for high-frequency waves, observations were taken at a high cadence in the green…

Solar and Stellar Astrophysics · Physics 2016-01-20 T. Samanta , J. Singh , G. Sindhuja , D. Banerjee

The total solar eclipse of August 21st, 2017 was observed with a Digital Single Lens Reflex (DSLR) camera equipped with a linear polarizing filter. A method was developed to combine images acquired with 15 different exposure times (from…

Solar and Stellar Astrophysics · Physics 2020-12-09 Alessandro Bemporad

In order to study the solar corona during eclipses, a new telescope was constructed. Three coronal images were obtained simultaneously from one objective of the telescope as the coronal radiation passed through three polarisers (whose…

Solar and Stellar Astrophysics · Physics 2011-05-05 V. I. Skomorovsky , V. D. Trifonov , G. P. Mashnich , Yu. S. Zagaynova , V. G. Fainshtein , G. I. Kushtal , S. A. Chuprakov

We review novel data analysis techniques developed or adapted for the field of coronal seismology. We focus on methods from the last ten years that were developed for extreme ultraviolet (EUV) imaging observations of the solar corona, as…

One of the mechanisms proposed for heating the corona above solar active regions is the damping of magnetohydrodynamic (MHD) waves. Continuing on previous work, we provide observational evidence for the existence of high-frequency MHD waves…

We present a new tool, the Solar Eclipse Image Standardisation and Sequencing (SEISS), developed to process multi-source total solar eclipse images by adjusting them to the same standard of size, resolution, and orientation. Furthermore, by…

Solar and Stellar Astrophysics · Physics 2015-11-02 Larisza Krista , Scott McIntosh

We introduce a new method for the investigation of low-amplitude transverse oscillations of solar plasma non-uniformities, such as coronal loops, individual strands in coronal arcades, jets, prominence fibrils, polar plumes, and other…

Solar and Stellar Astrophysics · Physics 2016-11-23 Sergey Anfinogentov , Valery M. Nakariakov

Model simulations of solar irradiance reaching the Earth's surface during a solar eclipse constitute a useful tool for studying the impact of this phenomenon on the radiance propagation through the atmosphere. A simple approach to extend…

Atmospheric and Oceanic Physics · Physics 2011-10-11 Boyan Petkov , Claudio Tomasi , Vito Vitale , Christian Lanconelli , Mauro Mazzola

On 2008 January 10, the twin Solar Terrestrial Relations Observatory (STEREO) A and B spacecraft conducted a high time cadence study of the solar corona with the Extreme UltraViolet Imager (EUVI) instruments with the aim of investigating…

Solar and Stellar Astrophysics · Physics 2010-01-15 M. S. Marsh , R. W. Walsh , S. Plunkett

Determining the relative brightness of the solar corona is one of the most critical stages in solar eclipse studies. For this purpose, images taken with different exposures and polarization angles in white-light observations are used. The…

Solar and Stellar Astrophysics · Physics 2017-12-01 Hikmet Çakmak

Total solar eclipse (TSE) coronal large and small scale events were reported in the historical literature but a definite synoptic coverage was missing for studying a relationship with the more general magnetic context of the solar-disk. We…

Solar and Stellar Astrophysics · Physics 2020-01-29 Boris Filippov , Serge Koutchmy , Nicolas Lefaudeux
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