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Related papers: Small-Scale Structuring Of Ellerman Bombs at Solar…

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The properties of Ellerman bombs (EBs), small-scale brightenings in the H-alpha line wings, have proved difficult to establish due to their size being close to the spatial resolution of even the most advanced telescopes. Here, we aim to…

Solar and Stellar Astrophysics · Physics 2013-01-09 C. J. Nelson , J. G. Doyle , R. Erdelyi , Z. Huang , M. Madjarska , M. Mathioudakis , S. Mumford , K. Reardon

Ellerman Bombs (EBs) are thought to arise as a result of photospheric magnetic reconnection. We use data from the Swedish 1-m Solar Telescope (SST), to study EB events on the solar disk and at the limb. Both datasets show that EBs are…

Solar and Stellar Astrophysics · Physics 2015-06-26 A. Reid , M. Mathioudakis , E. Scullion , J. G. Doyle , S. Shelyag , P. Gallagher

Ellerman bombs (EBs) are small-scale intense brightenings in H$\alpha$ wing images, which are generally believed to be signatures of magnetic reconnection events around the temperature minimum region of the solar atmosphere. They have a…

Solar and Stellar Astrophysics · Physics 2019-05-01 Yajie Chen , Hui Tian , Hardi Peter , Tanmoy Samanta , Vasyl Yurchyshyn , Haimin Wang , Wenda Cao , Linghua Wang , Jiansen He

Ellerman bombs (EBs) are tiny brightenings often observed near sunspots. The most impressive characteristic of the EB spectra is the two emission bumps in both wings of the H$\alpha$ and \ion{Ca}{II} 8542 {\AA} lines. High-resolution…

Solar and Stellar Astrophysics · Physics 2015-09-16 Z. Li , C. Fang , Y. Guo , P. F. Chen , Z. Xu , W. Cao

Ellerman bombs (EBs) are small and short-lived magnetic reconnection events in the lower solar atmosphere, most commonly reported in the line wings of the H$\alpha$ line. These events are thought to play a role in heating the solar…

Solar and Stellar Astrophysics · Physics 2025-09-12 A. Faryad , A. G. M. Pietrow , M. Verma , C. Denker

The presence of photospheric magnetic reconnection has long been thought to give rise to short and impulsive events, such as Ellerman bombs (EBs) and Type II spicules. In this article, we combine high-resolution, high-cadence observations…

Solar and Stellar Astrophysics · Physics 2015-06-17 C. J. Nelson , S. Shelyag , M. Mathioudakis , J. G. Doyle , M. S. Madjarska , H. Uitenbroek , R. Erdélyi

The emergence of magnetic flux into the solar atmosphere produces, among other phenomena, Ellerman bombs (EBs), which are observed in H alpha and are due to magnetic reconnection in the photosphere below the chromospheric canopy. Signs of…

Solar and Stellar Astrophysics · Physics 2020-01-15 Ada Ortiz , Viggo H. Hansteen , Daniel Nóbrega-Siverio , Luc Rouppe van der Voort

A spectacular manifestation of solar activity is the appearance of transient brightenings in the far wings of the H$\alpha$ line, known as Ellerman bombs (EBs). Recent observations obtained by the Interface Region Imaging Spectrograph…

Ellerman bombs (EBs) are observable signatures of photospheric small-scale magnetic reconnection events. The reliable automatic detection of EBs would enable the study of the impact of magnetic reconnection on the Sun's dynamics. We aim to…

Solar and Stellar Astrophysics · Physics 2025-07-02 I. J. Soler Poquet , C. J. Díaz Baso , L. H. M. Rouppe van der Voort , G. J. M. Vissers

Ellerman bombs (EBs) are short-lived and compact structures that are observed well in the wings of the hydrogen H-alpha line. EBs are also observed in the chromospheric CaII lines and in UV continua. H-alpha line profiles of EBs show a deep…

Solar and Stellar Astrophysics · Physics 2015-06-22 Arkadiusz Berlicki , Petr Heinzel

Magnetic reconnection in the deep solar atmosphere can give rise to enhanced emission in the Balmer hydrogen lines, a phenomenon known as Ellerman bombs (EBs). It is most common to observe EBs in the H-alpha and H-beta lines. High quality…

Solar and Stellar Astrophysics · Physics 2024-01-23 L. Rouppe van der Voort , J. Joshi , K. Krikova

Ellerman bombs (EBs) seem to be a part of a whole spectrum of phenomena that might have the same underlying physical mechanism, but with observed characteristics which pose a considerable challenge to models. The aim of this study is to…

Solar and Stellar Astrophysics · Physics 2017-05-17 S. Danilovic

Ellerman bombs (EBs) are a kind of solar activities that is suggested to occur in the lower atmosphere. Recent observations using the Interface Region Imaging Spectrograph (IRIS) show connections of EBs and IRIS bombs (IBs), implying that…

Solar and Stellar Astrophysics · Physics 2017-04-03 Jie Hong , M. D. Ding , Wenda Cao

High-resolution imaging-spectroscopy movies of solar active region NOAA 10998 obtained with the CRisp Imaging SpectroPolarimeter (CRISP) at the Swedish 1-m Solar Telescope show very bright, rapidly flickering, flame-like features that…

Solar and Stellar Astrophysics · Physics 2015-05-28 Hiroko Watanabe , Gregal Vissers , Reizaburo Kitai , Luc Rouppe van der Voort , Robert J. Rutten

Ellerman bombs (EBs) and Ultraviolet (UV) bursts are common brightening phenomena which are usually generated in the low solar atmosphere of emerging flux regions. In this paper, we have investigated the emergence of an initial un-twisted…

Solar and Stellar Astrophysics · Physics 2021-11-17 Guanchong Cheng , Lei Ni , Yajie Chen , Udo Ziegler , Jun Lin

Ellerman Bombs are signatures of magnetic reconnection, which is an important physical process in the solar atmosphere. How and where they occur is a subject of debate. In this paper we analyse Sunrise/IMaX data together with 3D MHD…

Ellerman bombs (EBs) and UV bursts are both small-scale solar activities that occur in active regions. They are now believed to form at different heights in the lower atmosphere. In this paper, we use one-dimensional radiative hydrodynamic…

Solar and Stellar Astrophysics · Physics 2021-11-09 Jie Hong , Ying Li , M. D. Ding , Qi Hao

Recent observations by the Interface Region Imaging Spectrograph (IRIS) have revealed pockets of hot gas ($\sim$2--8$\times$10$^{4}$ K) potentially resulting from magnetic reconnection in the partially ionized lower solar atmosphere (IRIS…

Solar and Stellar Astrophysics · Physics 2016-06-21 Hui Tian , Zhi Xu , Jiansen He , Chad Madsen

We use high-resolution imaging spectroscopy with the Swedish 1-m Solar Telescope (SST) to study the transient brightenings of the wings of the Balmer Halpha line in emerging active regions that are called Ellerman bombs. Simultaneous…

Solar and Stellar Astrophysics · Physics 2015-06-16 Gregal J. M. Vissers , Luc H. M. Rouppe van der Voort , Robert J. Rutten

Ellerman Bombs (EBs) are often found co-spatial with bipolar photospheric magnetic fields. We use H$\alpha$ imaging spectroscopy along with Fe I 6302.5 \AA\ spectro-polarimetry from the Swedish 1-m Solar Telescope (SST), combined with data…

Solar and Stellar Astrophysics · Physics 2016-05-31 A. Reid , M. Mathioudakis , J. G. Doyle , E. Scullion , V. Henriques , C. Nelson , T. Ray
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