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相关论文: Dark jets in solar coronal holes

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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…

高能天体物理现象 · 物理学 2015-06-17 Emrah Kalemci , Tolga Dincer , John A. Tomsick , Michelle M. Buxton , Charles D. Bailyn , Yoon Y. Chun

We present the first simultaneous observations of chromospheric "anemone" jets in solar active regions with Hinode SOT Ca II H broadband filetergram and Ca II K spetroheliogram on the Domeless Solar Telescope (DST) at Hida Observatory.…

太阳与恒星天体物理 · 物理学 2015-05-18 Satoshi Morita , Kazunari Shibata , Satoru Ueno , Kiyoshi Ichimoto , Reizaburo Kitai , Ken-ichi Otsuji

A thin dark thread is observed in a UV/EUV solar jet in the 171A, 193A and 211A and partially in 304A. The dark thread appears to originate in the chromosphere but its temperature does not appear to lie within the passbands of the…

太阳与恒星天体物理 · 物理学 2015-05-30 R. J. Morton , G. Verth , J. A. McLaughlin , R. Erdélyi

A broad jet was observed in a weak magnetic field area at the edge of active region NOAA 11106. The peculiar shape and magnetic environment of the broad jet raised the question of whether it was created by the same physical processes of…

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…

太阳与恒星天体物理 · 物理学 2016-03-16 Ruisheng Zheng , Yao Chen , Guohui Du , Chuanyang Li

At low coronal temperatures around or below 1 MK distinct areas in the surroundings of active regions (AR) show emission at a level significantly below the emission coming from the quiet Sun (QS). These areas are referred to as dark halos,…

太阳与恒星天体物理 · 物理学 2026-05-13 J. D. Nölke , S. K. Solanki , J. Hirzberger , H. Peter , L. P. Chitta , K. H. Glassmeier , D. Calchetti , G. Valori

In this article, we present the multi-viewpoint and multi-wavelength analysis of an atypical solar jet based on the data from Solar Dynamics Observatory, SOlar, and Heliospheric Observatory, and Solar TErrestrial RElations Observatory. It…

太阳与恒星天体物理 · 物理学 2020-10-07 Reetika Joshi , Yuming Wang , Ramesh Chandra , Quanhao Zhang , Lijuan Liu , Xiaolei Li

We report the discovery of two adjacent jet candidates with a length of about 9 degrees each -- 10 times longer than the largest known jets -- detected by us on 60 and 100 micron IRAS maps, but not observed at any other wavelength. They are…

天体物理学 · 物理学 2009-11-10 Ronald Weinberger , Birgit Armsdorfer

Coronal jets represent important manifestations of ubiquitous solar transients, which may be the source of significant mass and energy input to the upper solar atmosphere and the solar wind. While the energy involved in a jet-like event is…

High temporal and spatial resolution observations from the Rapid Oscillations in the Solar Atmosphere (ROSA) multiwavelength imager on the Dunn Solar Telescope are used to study the velocities of small-scale H{\alpha} jets in an emerging…

太阳与恒星天体物理 · 物理学 2015-05-30 D. Kuridze , M. Mathioudakis , D. B. Jess , S. Shelyag , D. J. Christian , F. P. Keenan , K. S. Balasubramaniam

We present the statistical analysis of 33 flare-related coronal jets, and discuss the link between the jet and the flare properties in these events. We selected jets that were observed between 2010 and 2016 by the Atmospheric Imaging…

太阳与恒星天体物理 · 物理学 2020-02-12 Sophie Musset , Mariana Jeunon , Lindsay Glesener

Coronal holes are the dark patches in the solar corona associated with relatively cool, less dense plasma and unipolar fields. The fast component of the solar wind emanates from these regions. Several observations reveal the presence of…

太阳与恒星天体物理 · 物理学 2016-03-09 D. Banerjee , S. Krishna Prasad

Small, impulsive jets commonly occur throughout the solar corona, but are especially visible in coronal holes. Evidence is mounting that jets are part of a continuum of eruptions that extends to much larger coronal mass ejections and…

太阳与恒星天体物理 · 物理学 2018-02-28 Pankaj Kumar , Judith T. Karpen , Spiro K. Antiochos , Peter F. Wyper , C. Richard DeVore , Craig E. DeForest

Solar jets are well-collimated plasma ejections in the solar atmosphere. They are prevalent in active regions, the quiet Sun, and even coronal holes. They display a range of temperatures, yet the nature of the cool components has not been…

太阳与恒星天体物理 · 物理学 2023-04-26 Ya Wang , Qingmin Zhang , Zhenxiang Hong , Jinhua Shen , Haisheng Ji , Wenda Cao

We present the first joint high-resolution observations of small-scale EUV jets using Solar Orbiter(SolO)'s Extreme Ultraviolet Imager and High Resolution Imager (HRI) and H$\alpha$ imaging from the Visible Imaging Spectrometer (VIS)…

太阳与恒星天体物理 · 物理学 2025-10-21 Jeongwoo Lee , Dana Longcope , Junmu Youn , Navdeep K. Panesar , Nengyi Huang , Haimin Wang

We detect and analyse transverse oscillations in a coronal loop, lying at the south east limb of the Sun as seen from the \textit{{Atmospheric Imaging Assembly}} (AIA) onboard \textit{{Solar Dynamics Observatory}} (SDO). The jet is believed…

太阳与恒星天体物理 · 物理学 2016-12-07 S. Sarkar , V. Pant , A. K. Srivastava , D. Banerjee

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…

太阳与恒星天体物理 · 物理学 2019-03-20 Pankaj Kumar , Judith T. Karpen , Spiro K. Antiochos , Peter F. Wyper , C. Richard DeVore , Craig E. DeForest

In this paper we present the first comprehensive statistical study of EUV coronal jets observed with the SECCHI imaging suites of the two STEREO spacecraft. A catalogue of 79 polar jets is presented, identified from simultaneous EUV and…

太阳与恒星天体物理 · 物理学 2015-05-13 G. Nistico , V. Bothmer , S. Patsourakos , G. Zimbardo

We analyze multi-wavelength and multi-viewpoint observations of a large-scale event viewed on 7 April 2011 originating from an active region complex. The activity leads to a white-light jet being formed in the outer corona. The topology and…

太阳与恒星天体物理 · 物理学 2015-06-03 Boris Filippov Serge Koutchmy Ehsan Tavabi

Solar jets are impulsive, collimated plasma ejections that are triggered by magnetic reconnection. They are observed for many decades in various temperatures and wavelengths, therefore their kinematic characteristics, such as velocity and…

太阳与恒星天体物理 · 物理学 2022-08-17 Brigitte Schmieder , Reetika Joshi , Ramesh Chandra