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Jets often occur repeatedly from almost the same location. In this paper, a complex solar jet was observed with two phases to the west of NOAA AR 11513 on July 2nd, 2012. If it had been observed at only moderate resolution, the two phases…

Solar and Stellar Astrophysics · Physics 2017-05-10 Jie Chen , Jiangtao Su , Yuanyong Deng , E. R. Priest

Coronal jets are observed above minority polarity intrusions throughout the solar corona. Some of the most energetic occur on the periphery of active regions where the magnetic field is strongly inclined. These jets exhibit a non-radial…

Solar and Stellar Astrophysics · Physics 2019-10-09 Peter F. Wyper , C. Richard DeVore , Spiro K. Antiochos

Flux emergence is responsible for various solar eruptions. Combining observation and simulations, we investigate the influence of flux emergence at one footpoint of an arcade on coronal rain as well as induced eruptions. The emergence…

Solar and Stellar Astrophysics · Physics 2023-04-26 Xiaohong Li , Rony Keppens , Yuhao Zhou

Observations from the X-ray telescope (XRT) on Hinode are used to study the nature of X-ray bright points, sources of coronal jets. Several jet events in the coronal holes are found to erupt from small-scale, S-shaped bright regions. This…

Solar and Stellar Astrophysics · Physics 2015-05-19 N. -E. Raouafi , M. K. Georgoulis , D. M. Rust , P. N. Bernasconi

We report on the rare eruption of a miniature H_alpha filament that took a surge form. The filament first underwent a full development within 46 minutes and then began to erupt 9 minutes later, followed by a compact, impulsive X-ray class…

Solar and Stellar Astrophysics · Physics 2015-06-03 Jia-Yan Yang , Yun-Chun Jiang , Dan Yang , Yi Bi , Bo Yang , Rui-Sheng Zheng , Jun-Chao Hong

We present the first observation, analysis and modeling of solar coronal twin jets, which occurred after a preceding jet. Detailed analysis on the kinetics of the preceding jet reveals its blowout-jet nature, which resembles the one studied…

Solar and Stellar Astrophysics · Physics 2016-08-30 Jiajia Liu , Fang Fang , Yuming Wang , Scott W. McIntosh , Yuhong Fan , Quanhao Zhang

Using EUV images and line-of-sight magnetograms from Solar Dynamics Observatory, we examine eight emerging bipolar magnetic regions (BMRs) in central-disk coronal holes for whether the emerging magnetic arch made any noticeable coronal jets…

Solar and Stellar Astrophysics · Physics 2021-05-19 Abigail R. Harden , Navdeep K. Panesar , Ronald L. Moore , Alphonse C. Sterling , Mitzi L. Adams

We report observations of homologous coronal jets and their coronal mass ejections (CMEs) observed by instruments onboard the Solar Dynamics Observatory (SDO) and Solar and Heliospheric Observatory (SOHO) spacecraft. The homologous jets…

Solar and Stellar Astrophysics · Physics 2016-05-25 Navdeep K. Panesar , Alphonse C. Sterling , Ronald L. Moore

We present a multi-wavelength analysis of two flare-related jets on November 13, 2014, using data from SDO/AIA, RHESSI, Hinode/XRT, and IRIS. Unlike most coronal jets where hard X-ray (HXR) emissions are usually observed near the jet base,…

Solar and Stellar Astrophysics · Physics 2022-07-13 Yixian Zhang , Sophie Musset , Lindsay Glesener , Navdeep Panesar , Gregory Fleishman

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

Coronal mass ejections (CMEs) are closely related to eruptive filaments and usually are the continuation of the same eruptive process into the upper corona. There are failed filament eruptions when a filament decelerates and stops at some…

Solar and Stellar Astrophysics · Physics 2018-02-07 Boris Filippov

A small blowout jet was observed at the boundary of the south polar coronal hole on 2011 February 8 at around 21:00 UT. Images from the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics Observatory (SDO) revealed an expanding…

Solar and Stellar Astrophysics · Physics 2015-06-18 Peter R. Young , Karin Muglach

Small-scale eruptions could play an important role in coronal heating, generation of solar energetic particles (SEPs), and mass source of the solar wind. However, they are poorly observed, and their characteristics, distributions, and…

Solar and Stellar Astrophysics · Physics 2024-10-24 Rui Wang , Ying D. Liu , Xiaowei Zhao , Huidong Hu

Coronal Jets are transitory small-scale eruptions omnipresent in solar observations. Active regions jets produce significant perturbations on the ambient solar atmosphere and are believed to be generated by microflare reconnection. Multiple…

Solar and Stellar Astrophysics · Physics 2019-03-13 Alin Razvan Paraschiv , Alina Donea

Utilizing multiwavelength observations and magnetic field data from SDO/AIA, SDO/HMI, GOES and RHESSI, we investigate a large-scale ejective solar eruption of 2014 December 18 from active region NOAA 12241. This event produced a distinctive…

Solar and Stellar Astrophysics · Physics 2017-08-23 Navin Chandra Joshi , Alphonse C. Sterling , Ronald L. Moore , Tetsuya Magara , Young-Jae Moon

Using the observations from the Optical and Near-infrared Solar Eruption Tracer and the Solar Dynamics Observatory, we study an M5.7 flare in AR 11476 on 2012 May 10 and a micro-flare in the quiet Sun on 2017 March 23. Before the onset of…

Solar and Stellar Astrophysics · Physics 2018-07-04 Shuhong Yang , Jun Zhang

Coronal jets are the captivating eruptions which are often found in the solar atmosphere, and primarily formed due to magnetic reconnection. Despite their short-lived nature and lower energy compared to many other eruptive events, e.g.…

Solar and Stellar Astrophysics · Physics 2024-09-06 Sushree S Nayak , Samrat Sen , Arpit Kumar Shrivastav , R. Bhattacharyya , P. S. Athiray

Solar filament eruptions are often characterized by stepwise evolution due to the involvement of multiple mechanisms, such as magnetohydrodynamic instabilities and magnetic reconnection. In this article, we investigated a confined filament…

Solar and Stellar Astrophysics · Physics 2024-03-20 Zhe Xu , Xiaoli Yan , Liheng Yang , Zhike Xue , Jincheng Wang , Yian Zhou

A recent study using {\it Hinode} (SOT/FG) data of a sunspot revealed some unusually large penumbral jets that often repeatedly occurred at the same locations in the penumbra, namely at the tail of a penumbral filament or where the tails of…

We report on observations of a solar jet propagating along coronal loops taken by the Solar Dynamics Observatory (SDO), the Interface Region Imaging Spectragraph (IRIS) and 1-m New Vacuum Solar Telescope (NVST). The ejecta of the jet…

Solar and Stellar Astrophysics · Physics 2020-07-09 Zhenghua Huang , Qingmin Zhang , Lidong Xia , Bo Li , Zhao Wu , Hui Fu
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