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Compact, steady jets are observed in the near infrared and radio bands in the hard state of Galactic black hole transients as their luminosity decreases and the source moves towards a quiescent state. Recent radio observations indicate that…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Emrah Kalemci , Tolga Dincer , John A. Tomsick , Michelle M. Buxton , Charles D. Bailyn , Yoon Y. Chun

Three extreme-ultraviolet (EUV) jets recurred in about one hour on 2010 September 17 in the following magnetic polarity of active region 11106. The EUV jets were observed by the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics…

Solar and Stellar Astrophysics · Physics 2015-06-15 Y. Guo , P. Démoulin , B. Schmieder , M. D. Ding , S. Vargas Domínguez , Y. Liu

We report a solar jet phenomenon associated with the C5.4 class flare on 2014 November 11. The data of jet was provided by Solar Dynamics Observatory (SDO), X-Ray Telescope (XRT) aboard Hinode, Interface Region Imaging Spectrograph (IRIS)…

Solar and Stellar Astrophysics · Physics 2018-01-31 Takahito Sakaue , Akiko Tei , Ayumi Asai , Satoru Ueno , Kiyoshi Ichimoto , Kazunari Shibata

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

Solar jets are an important field of study, as they may contribute to the mass and energy transfer from the lower to the upper atmosphere. We use the Interface Region Imaging Spectrograph (IRIS) and Solar Dynamic Observatory (SDO)…

Solar and Stellar Astrophysics · Physics 2024-10-01 Myrto Koletti , Costis Gontikakis , Spiros Patsourakos , Kanaris Tsinganos

We present high-resolution, high-cadence observations of six, fine-scale, on-disk jet-like events observed by the High-resolution Coronal Imager 2.1 (Hi-C 2.1) during its sounding-rocket flight. We combine the Hi-C 2.1 images with images…

Jets are defined as impulsive, well-collimated upflows, occurring in different layers of the solar atmosphere with different scales. Their relationship with coronal mass ejections (CMEs), another type of solar impulsive events, remains…

Solar and Stellar Astrophysics · Physics 2016-03-16 Ruisheng Zheng , Yao Chen , Guohui Du , Chuanyang Li

We present an observational study of the kinematics and fine structure of an unwinding polar jet, with high temporal and spatial observations taken by the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamic Observatory (SDO) and…

Solar and Stellar Astrophysics · Physics 2011-06-24 Yuandeng Shen , Yu Liu , Jiangtao Su , Ahmed Ibrahim

We report the formation of a complicated coronal mass ejection (CME) on 2015 August 23 by using the high temporal and high spatial resolution multi-wavelength observations taken by the Solar Dynamic Observatory and the Solar and…

Solar and Stellar Astrophysics · Physics 2019-09-04 Yadan Duan , Yuandeng Shen , Hechao Chen , Hongfei Liang

We analyze multi-wavelength and multi-viewpoint observations of a helically twisted plasma jet formed during a confined filament eruption on 10-11 April 2013. Given a rather large scale event with its high spatial and temporal resolution…

Solar and Stellar Astrophysics · Physics 2015-08-06 B. Filippov , A. K. Srivastava , B. N. Dwivedi , S. Masson , G. Aulanier , N. C. Joshi , W. Uddin

We investigate the acceleration source of the impulsive solar energetic particle (SEP) events on 2007 January 24. Combining the in situ electron measurements and remote-sensing solar observations, as well as the calculated magnetic fields…

Solar and Stellar Astrophysics · Physics 2013-05-27 C. Li , S. A. Matthews , L. van Driel-Gesztelyi , J. Sun , C. J. Owen

Coronal jets are always produced by magnetic reconnection between emerging flux and pre-existing overlying magnetic fields. When the overlying field is vertical/obilique or horizontal, the coronal jet will appear as anemone type or…

Solar and Stellar Astrophysics · Physics 2018-07-25 Ruisheng Zheng , Yao Chen , Zhenghua Huang , Bing Wang , Hongqiang Song

Small-scale transient phenomena in the quiet Sun are believed to play an important role in coronal heating and solar wind generation. One of them named as "X-ray jet" is the subject of our study. We indent to investigate the dynamics,…

Solar and Stellar Astrophysics · Physics 2015-05-19 M. S. Madjarska

On the Sun,jets in light bridges are frequently observed with high-resolution instruments.The respective roles played by convection and the magnetic field in triggering such jets are not yet clear.We report a small fan-shaped jet along a LB…

Solar and Stellar Astrophysics · Physics 2022-11-02 Y. Liu , G. P. Ruan , B. Schmieder , S. Masson , Y. Chen , J. T. Su , B. Wang , X. Y. Bai , Y. Su , Wenda Cao

We report one of several homologous non-radial eruptions from NOAA active region (AR) 11158 that are strongly modulated by the local magnetic field as observed with the Solar Dynamic Observatory (SDO). A small bipole emerged in the sunspot…

Solar and Stellar Astrophysics · Physics 2015-06-11 Xudong Sun , Todd Hoeksema , Yang Liu , Qingrong Chen , Keiji Hayashi

Coronal-hole jets occur ubiquitously in solar coronal holes, at EUV and X-ray bright points associated with intrusions of minority magnetic polarity. The embedded-bipole model for these jets posits that they are driven by explosive, fast…

Solar and Stellar Astrophysics · Physics 2017-01-11 J. T. Karpen , C. R. DeVore , S. K. Antiochos , E. Pariat

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

We present the multi-point and multi-wavelength observation and analysis on a solar coronal jet and coronal mass ejection (CME) event in this paper. Employing the GCS model, we obtained the real (three-dimensional) heliocentric distance and…

Solar and Stellar Astrophysics · Physics 2015-11-20 Jiajia Liu , Yuming Wang , Chenglong Shen , Kai Liu , Zonghao Pan , S. Wang

Velocity structures of jets in a coronal hole have been derived for the first time. Hinode observations revealed the existence of many bright points in coronal holes. They are loop-shaped and sometimes associated with coronal jets. Spectra…

Using multiwavelength imaging observations from the Atmospheric Imaging Assembly (AIA) onboard the Solar Dynamics Observatory (SDO) on 03 May 2012, we present a novel physical scenario for the formation of a temporary X-point in the solar…

Solar and Stellar Astrophysics · Physics 2020-01-08 A. K. Srivastava , Sudheer K. Mishra , P. Jelínek , Tanmoy Samanta , Hui Tian , Vaibhav Pant , P. Kayshap , D. Banerjee , J. G. Doyle , B. N. Dwivedi