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Related papers: Photospheric response to EB-like event

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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

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

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

Magnetic reconnection in the deep solar atmosphere can give rise to enhanced emission in the Balmer hydrogen lines, a phenomenon referred to as Ellerman bombs. Recent high quality H$\beta$ observations indicate that Ellerman bombs are more…

Solar and Stellar Astrophysics · Physics 2022-08-10 Jayant Joshi , Luc H. M. Rouppe van der Voort

The focus of this investigation is to quantify the conversion of magnetic to thermal energy initiated by a quiet Sun cancellation event and to explore the resulting dynamics from the interaction of the opposite polarity magnetic features.…

Solar and Stellar Astrophysics · Physics 2023-03-29 Anjali. J. Kaithakkal , J. M. Borrero , A. Pastor Yabar , J. de la Cruz Rodríguez

Magnetic reconnection, a change of magnetic field connectivity, is a fundamental physical process in which magnetic energy is released explosively. It is responsible for various eruptive phenomena in the universe. However, this process is…

Solar and Stellar Astrophysics · Physics 2015-06-30 J. Q. Sun , X. Cheng , M. D. Ding , Y. Guo , E. R. Priest , C. E. Parnell , S. J. Edwards , J. Zhang , P. F. Chen , C. Fang

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) 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

High cadence, multiwavelength, optical observations of a solar active region are presented, obtained with the Swedish Solar Telescope. Two magnetic bright points are seen to separate in opposite directions at a constant velocity of 2.8km/s.…

Solar and Stellar Astrophysics · Physics 2015-05-18 D. B. Jess , M. Mathioudakis , P. K. Browning , P. J. Crockett , F. P. Keenan

We use observations of quiet Sun (QS) regions in the H$\alpha$ 6563 \AA, Ca~{\sc ii} 8542 \AA\, and Fe~{\sc i} 6302 \AA\ lines. We observe brightenings in the wings of the H$\alpha$ and Ca~{\sc ii} combined with observations of the…

Solar and Stellar Astrophysics · Physics 2018-12-19 J. Shetye , S. Shelyag , A. L. Reid , E. Scullion , J. G. Doyle , T. D. Arber

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 Bomb-like brightenings of the hydrogen Balmer line wings in the quiet Sun (QSEBs) are a signature of the fundamental process of magnetic reconnection at the smallest observable scale in the solar lower atmosphere. We analyze high…

Solar and Stellar Astrophysics · Physics 2020-09-09 Jayant Joshi , Luc H. M. Rouppe van der Voort , Jaime de la Cruz Rodríguez

Ellerman bombs are transient brightenings of the wings of the solar Balmer lines that mark reconnection in the photosphere. Ellerman noted in 1917 that he did not observe such brightenings in the Na I D and Mg I b lines. This non-visibility…

Solar and Stellar Astrophysics · Physics 2016-12-20 R. J. Rutten , L. H. M. Rouppe van der Voort , G. J. M. Vissers

Magnetic-field reconnection is believed to play a fundamental role in magnetized plasma systems throughout the Universe1, including planetary magnetospheres, magnetars and accretion disks around black holes. This letter present extreme…

Solar and Stellar Astrophysics · Physics 2015-02-06 Yang Su , Astrid M. Veronig , Gordon D. Holman , Brian R. Dennis , Tongjiang Wang , Manuela Temmer , Weiqun Gan

Quiet-Sun Ellerman bombs (QSEBs) are small-scale magnetic reconnection events in the lower atmosphere of the quiet Sun. Recent work has shown that a small percentage of them can occur co-spatially and co-temporally to ultraviolet (UV)…

Solar and Stellar Astrophysics · Physics 2025-01-22 Aditi Bhatnagar , Avijeet Prasad , Luc Rouppe van der Voort , Daniel Nóbrega-Siverio , Jayant Joshi

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

Burst-like events with signatures in the UV are often observed co-spatial to strong line-of-sight photospheric magnetic fields. Several authors, for example, have noted the spatial relationship between Ellerman bombs (EBs) and Moving…

Solar and Stellar Astrophysics · Physics 2016-08-24 C. J. Nelson , J. G. Doyle , R. Erdelyi

Solar flares are one of the most energetic events in the solar atmosphere. It is widely accepted that flares are powered by magnetic reconnection in the corona. An eruptive flare is usually accompanied by a coronal mass ejection, both of…

Solar and Stellar Astrophysics · Physics 2017-02-08 Y. Li , X. Sun , M. D. Ding , J. Qiu , E. R. Priest

We describe a new quiet-Sun phenomenon which we call "Quiet-Sun Ellerman-like Brightenings" (QSEB). QSEBs are similar to Ellerman bombs (EB) in some respects but differ significantly in others. EBs are transient brightenings of the wings of…

Solar and Stellar Astrophysics · Physics 2016-08-10 Luc H. M. Rouppe van der Voort , Robert J. Rutten , Gregal J. M. Vissers

Magnetic reconnection at small spatial scales is a fundamental driver of energy release and plasma dynamics in the lower solar atmosphere. We present observations of a brightening in an active region, captured in high-resolution data from…

Solar and Stellar Astrophysics · Physics 2025-04-14 J. M. da Silva Santos , E. Dunnington , R. Jarolim , S. Danilovic , S. Criscuoli