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We observe a coronal jet around 22:08 UT on 23 rd March of 2017, in a quiet region towards the north-east of the solar disk. A minifilament eruption leads to this jet. We analyze dynamics of the minifilament from its formation until its…

Solar and Stellar Astrophysics · Physics 2019-05-15 Rakesh Mazumder

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

Jets (transient/collimated plasma ejections) occur frequently throughout the solar corona and contribute mass/energy to the corona and solar wind. By combining numerical simulations and high-resolution observations, we have made substantial…

Solar and Stellar Astrophysics · Physics 2019-03-20 Pankaj Kumar , Judith T. Karpen , Spiro K. Antiochos , Peter F. Wyper , C. Richard DeVore , Craig E. DeForest

The formation of double-decker filaments has long been an enigma in the field of solar physics. Using stereoscopic observations from the Solar Dynamics Observatory and the Solar Terrestrial Relations Observatory, we show that the…

Solar and Stellar Astrophysics · Physics 2025-05-21 Dongxu Liu , Yuandeng Shen , Yi Bi , Zehao Tang , Chengrui Zhou , Surui Yao

We present a clear case study on the occurrence of two successive X-class flares including a decade-class flare (X9.3) and two coronal mass ejections (CMEs) triggered by shearing motion and sunspot rotation in active region NOAA 12673 on…

Solar and Stellar Astrophysics · Physics 2018-04-11 X. L. Yan , J. C. Wang , G. M. Pan , D. F. Kong , Z. K. Xue , L. H. Yang , Q. L. Li , X. S. Feng

Employing the high spatio-temporal Interface Region Imaging Spectrograph 1330 {\AA} observations, we investigated the jet-like features that occurred during the X8.2 class flare in NOAA active region (AR) 12673 on 2017 September 10. These…

Solar and Stellar Astrophysics · Physics 2018-12-11 Xiaohong Li , Jun Zhang , Shuhong Yang , Yijun Hou

We study a quiet-Sun blowout jet which is observed on 2014 May 16 by the instruments on board Solar Dynamics Observatory (SDO). We find the twin CME as jet-like and bubble-like CME simultaneously as observed by LASCO C2 on board Solar and…

Solar and Stellar Astrophysics · Physics 2019-06-12 Ritika Solanki , Abhishek K. Srivastava , Yamini K. Rao , Bhola N. Dwivedi

We describe the peculiarity of two recurrent white light flares occurred on Sept. 06, 2017, in the super Active Region (SAR) NOAA 12673, with a time interval, between their peaks, of about 3 hours. These events of X2.2 and X9.3 GOES class…

Solar and Stellar Astrophysics · Physics 2018-12-12 P. Romano , A. Elmhamdi , M. Falco , P. Costa , A. S. Kordi , H. A. Al-Trabulsy , R. M. Al-Shammari

Recent observations have revealed that many solar coronal jets involve the eruption of miniature versions of large-scale filaments. Such "mini-filaments" are observed to form along the polarity inversion lines of strong, magnetically…

Solar and Stellar Astrophysics · Physics 2018-01-24 P. F. Wyper , C. R. DeVore , S. K. Antiochos

Context. We observe a solar jet at north polar coronal hole (NPCH) using SDO AIA 304 {\deg}A image data on 3 August 2010. The jet rises obliquely above the solar limb and then retraces its propagation path to fall back. Aims. We numerically…

Solar and Stellar Astrophysics · Physics 2015-05-30 Abhishek K. Srivastava , Kris Murawski

Coronal jets are transient, collimated eruptions that occur in regions of predominantly open magnetic field in the solar corona. Our understanding of these events has greatly evolved in recent years but several open questions, such as the…

Solar and Stellar Astrophysics · Physics 2015-12-01 T. Torok , R. Lionello , V. S. Titov , J. E. Leake , Z. Mikic , J. A. Linker , M. G. Linton

The solar corona is highly structured by bunches of magnetic field lines forming either loops, or twisted flux ropes representing prominences/filaments, or very dynamic structures such as jets. The aim of this paper is to understand the…

Solar and Stellar Astrophysics · Physics 2024-12-13 Garima Karki , Brigitte Schmieder , Pooja Devi , Ramesh Chandra , Nicolas Labrosse , Reetika Joshi , Bernard Gelly

We study the formation of four coronal mass ejections (CMEs) originating from homologous blowout jets. All of the blowout jets originated from NOAA active region (AR) 11515 on 2012 July 2, within a time interval of $\approx$14 hr. All of…

Solar and Stellar Astrophysics · Physics 2024-05-07 Binal D. Patel , Bhuwan Joshi , Alphonse C. Sterling , Ronald L. Moore

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

Coronal jets and bright points occur prolifically in predominantly unipolar magnetic regions, such as coronal holes, where they appear above minority-polarity intrusions. Intermittent low-level reconnection and explosive,…

Solar and Stellar Astrophysics · Physics 2018-09-19 Peter F. Wyper , C. Richard DeVore , Judy T. Karpen , Spiro K. Antiochos , Anthony R. Yeates

The major solar event on 2006 December 13 is characterized by the approximately simultaneous occurrence of a heap of hot ejecta, a great two-ribbon flare and an extended Earth-directed coronal mass ejection. We examine the magnetic field…

Astrophysics · Physics 2009-11-13 Jun Zhang , Leping Li , Qiao Song

We report on observations of recurrent jets by instruments onboard the Interface Region Imaging Spectrograph (IRIS), Solar Dynamics Observatory (SDO) and Hinode spacecrafts. Over a 4-hour period on July 21st 2013, recurrent coronal jets…

This paper is an attempt to understand the physical processes occurring in different layers of solar atmosphere during a solar flare. For a complete understanding of the flare we must analyze multi-wavelength datasets, as emission at…

Solar and Stellar Astrophysics · Physics 2020-09-30 Shirsh Lata Soni , Radhe Shyam Gupta , Adya Prasad Mishra

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

The rotational motion of solar jets is believed to be a signature of the untwisting process resulting from magnetic reconnection, which takes place between twisted closed magnetic loops (i.e., magnetic flux ropes) and open magnetic field…

Solar and Stellar Astrophysics · Physics 2017-12-29 Jiajia Liu , Robert Erdélyi , Yuming Wang , Rui Liu