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In this paper we present the first comprehensive statistical study of EUV coronal jets observed with the SECCHI imaging suites of the two STEREO spacecraft. A catalogue of 79 polar jets is presented, identified from simultaneous EUV and…

Solar and Stellar Astrophysics · Physics 2015-05-13 G. Nistico , V. Bothmer , S. Patsourakos , G. Zimbardo

Solar jets are fast-moving, elongated brightenings related to ejections seen in both images and spectra on all scales from barely visible chromospheric jets to coronal jets extending up to a few solar radii. The largest, most powerful jets…

Solar and Stellar Astrophysics · Physics 2016-12-07 Davina Innes , Radoslav Bucik , Li-Jia Guo , Nariaki Nitta

Context. Solar active regions are known to have jets. These jets are associated with heating and the release of particles into the solar wind. Aim. Our aim is to understand the spatial distribution of coronal jets within active regions to…

Solar and Stellar Astrophysics · Physics 2022-09-07 Jonas Odermatt , Krzysztof Barczynski , Louise K. Harra , Conrad Schwanitz , Säm Krucker

A new solar feature termed a dark jet is identified from observations of an extended solar coronal hole that was continuously monitored for over 44 hours by the EUV Imaging Spectrometer on board the Hinode spacecraft in 2011 February 8-10.…

Solar and Stellar Astrophysics · Physics 2015-06-23 Peter R. Young

Our understanding of the formation and evolution of the corona and the heliosphere is linked to our capability of properly interpreting the data from remote sensing and in-situ observations. In this respect, being able to correctly connect…

The identification of large numbers of localised transient EUV brightenings, with small spatial scales, in the quiet-Sun corona has been one of the key early results from Solar Orbiter. However, much is still unknown about these events.…

We present the first joint high-resolution observations of small-scale EUV jets using Solar Orbiter(SolO)'s Extreme Ultraviolet Imager and High Resolution Imager (HRI) and H$\alpha$ imaging from the Visible Imaging Spectrometer (VIS)…

Solar and Stellar Astrophysics · Physics 2025-10-21 Jeongwoo Lee , Dana Longcope , Junmu Youn , Navdeep K. Panesar , Nengyi Huang , Haimin Wang

Coronal rain is the most dramatic cooling phenomenon of the solar corona and an essential diagnostic tool for the coronal heating properties. A puzzling feature of the solar corona, besides the heating, is its EUV filamentary structure and…

Impulsive solar energetic particle (ISEP) events show peculiar elemental composition, with enhanced 3He and heavy-ion abundances, markedly different from our solar system composition. Furthermore, the events are characterized by a wide…

Solar and Stellar Astrophysics · Physics 2021-12-30 R. Bucik

We investigate the solar phenomena associated with the origin of the solar energetic particle (SEP) event observed on 2013 April 11 by a number of spacecraft distributed in the inner heliosphere over a broad range of heliolongitudes. We use…

Solar and Stellar Astrophysics · Physics 2015-06-23 D. Lario , N. E. Raouafi , R. -Y. Kwon , J. Zhang , R. Gomez-Herrero , N. Dresing , P. Riley

We generated an event catalog with an automated detection algorithm based on the entire EUVI image database observed with the two Solar Terrestrial Relations Observatory STEREO-A and -B spacecraft over the first six years of the mission…

Solar and Stellar Astrophysics · Physics 2015-06-16 Aschwanden , M. J. , Wuelser , J. P. , Nariaki , N. V. , Lemen , J. R. , Thompson , W. T

Jets are one of the most common eruptive events in the solar atmosphere, and they are believed to be important in the context of coronal heating and solar wind acceleration. We present an observational study on a sequence of jets with the…

Solar and Stellar Astrophysics · Physics 2022-09-07 Hengyuan Wei , Zhenghua Huang , Hui Fu , Ming Xiong , Lidong Xia , Chao Zhang , Kaiwen Deng , Haiyi Li

Coronal jets, which extend from the solar surface to beyond 2 $R_\odot$, were observed in the polar coronal hole regions during the total solar eclipse on 2017 August 21. In a time-series of white-light images of the corona spanning 70…

Using high-cadence extreme-ultraviolet (EUV) images obtained by the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics Observatory, we investigate the solar sources of 26 $^{3}$He-rich solar energetic particle (SEP) events at…

Solar and Stellar Astrophysics · Physics 2015-05-27 Nariaki V. Nitta , Glenn M. Mason , Linghua Wang , Christina M. S. Cohen , Mark E. Wiedenbeck

Coronal jets are one of the most common eruptive activities in the solar atmosphere. They are related to rich physics processes, including but not limited to magnetic reconnection, flaring, instabilities, and plasma heating. Automated…

Solar and Stellar Astrophysics · Physics 2024-07-12 Jiajia Liu , Chunyu Ji , Yimin Wang , Szabolcs Soós , Ye Jiang , Robertus Erdélyi , M. B. Korsós , Yuming Wang

Synoptic maps of solar EUV intensities have been constructed for many decades in order to display the distribution of the different EUV emissions across the solar surface, with each map representing one Carrington rotation (i.e., one…

Solar and Stellar Astrophysics · Physics 2020-01-29 Amr Hamada , Timo Asikainen , Kalevi Mursula

We report the smallest coronal jets ever observed in the quiet Sun with recent high resolution observations from the High Resolution Telescopes (HRI-EUV and HRI-Ly{\alpha}) of the Extreme Ultraviolet Imager (EUI) onboard Solar Orbiter. In…

Solar and Stellar Astrophysics · Physics 2021-09-29 Zhenyong Hou , Hui Tian , David Berghmans , Hechao Chen , Luca Teriaca , Udo Schuhle , Yuhang Gao , Yajie Chen , Jiansen He , Linghua Wang , Xianyong Bai

Context. Accurate detections of frequent small-scale extreme ultraviolet (EUV) brightenings are essential to the investigation of the physical processes heating the corona. Aims. We detected small-scale brightenings, termed campfires, using…

EUV waves are large-scale disturbances in the solar corona initiated by coronal mass ejections. However, solar EUV images show only the wave fronts projections along the line-of-sight of the spacecraft. We perform 3D reconstructions of EUV…

Solar and Stellar Astrophysics · Physics 2019-06-05 Tatiana Podladchikova , Astrid M. Veronig , Karin Dissauer , Manuela Temmer , Olena Podladchikova}

Coronal holes (CH) are regions of open magnetic field lines in the solar corona and the source of fast solar wind. Understanding the evolution of coronal holes is critical for solar magnetism as well as for accurate space weather forecasts.…

Space Physics · Physics 2018-05-02 Amr Hamada , Timo Asikainen , Ilpo Virtanen , Kalevi Mursula
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