English
Related papers

Related papers: Rotating Network Jets in the quiet Sun as Observed…

200 papers

Young and active stars generally have regular, almost sinusoidal, patterns of variability attributed to their rotation, while the majority of older and less active stars, including the Sun, have more complex and non-regular light-curves…

Solar and Stellar Astrophysics · Physics 2020-04-22 E. M. Amazo-Gómez , A. I. Shapiro , S. K. Solanki , N. A. Krivova , G. Kopp , T. Reinhold , M. Oshagh , A. Reiners

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…

Solar and Stellar Astrophysics · Physics 2020-10-07 Reetika Joshi , Yuming Wang , Ramesh Chandra , Quanhao Zhang , Lijuan Liu , Xiaolei Li

Coronal jets are ubiquitous in active regions (ARs) and coronal holes. In this paper, we study a coronal jet related to a C3.4 circular-ribbon flare in active region 12434 on 2015 October 16. Two minifilaments were located under a 3D…

Solar and Stellar Astrophysics · Physics 2021-03-17 Q. M. Zhang , Z. H. Huang , Y. J. Hou , D. Li , Z. J. Ning , Z. Wu

We attempt to understand the driving mechanism of a macrospicule and its relationship with a coronal jet. We study the dynamics of a macrospicule and an associated coronal jet captured by multi-spacecraft observations. Doppler velocities…

Solar and Stellar Astrophysics · Physics 2010-02-09 S. Kamio , W. Curdt , L. Teriaca , B. Inhester , S. K. Solanki

Jet impingement enhances heat transfer and is characterised by the complex flow patterns formed when a jet impacts a plate aligned normal to it. While traditional round jet impingement has been extensively studied to understand flow and…

Fluid Dynamics · Physics 2025-05-30 Premchand V. Chandra , Pradip Dutta

Context. The S235AB star forming region houses a massive young stellar object which has recently been reported to exhibit possible evidence of jet rotation - an illusive yet crucial component of disk aided star formation theories. Aims. To…

Solar and Stellar Astrophysics · Physics 2016-01-27 R. A. Burns , T. Handa , T. Hirota , K. Motogi , I. Imai , T. Omodaka

We report on high resolution observations of recurrent fan-like jets by the Goode Solar telescope (GST) in multi-wavelengths inside a sunspot group. The dynamics behaviour of the jets is derived from the Ha line profiles. Quantitative…

Solar and Stellar Astrophysics · Physics 2022-06-29 Jie Zhao , Jiangtao Su , Xu Yang , Hui Li , Brigitte Schmieder , Kwangsu Ahn , Wenda Cao

We present near-infrared [Fe II] images of four Class 0/I jets (HH 1/2, HH 34, HH 111, HH 46/47) observed with the Hubble Space Telescope Wide Field Camera 3. The unprecedented angular resolution allows us to measure proper motions, jet…

We present the results of a number of high resolution radio observations of the AGN 1156+295. These include multi-epoch and multi-frequency VLBI, VSOP, MERLIN and VLA observations made over a period of 50 months. The 5 GHz MERLIN images…

We present spectroscopic and imaging observations of small-scale reconnection events on the Sun. Using the Interface Region Imaging Spectrograph (IRIS) observations, one reconnection event is first detected as IRIS jets with fast…

Solar and Stellar Astrophysics · Physics 2018-07-25 Dong Li , Leping Li , Zongjun Ning

We present long-slit spectroscopic observations of the HH 110 jet obtained with the 4.2~m William Herschel Telescope. We have obtained for the first time, spectra for slit positions along and across the jet axis (at the position of knots B,…

Astrophysics · Physics 2011-05-23 A. Riera , R. Lopez , A. C. Raga , R. Estalella , G. Anglada

M87 is the best source in which to study a jet at high resolution in gravitational units because it has a very high mass black hole and is nearby. The angular size of the black hole is second only to Sgr A*, which does not have a strong…

High Energy Astrophysical Phenomena · Physics 2016-10-28 R. Craig Walker , Philip E. Hardee , Fred Davies , Chun Ly , William Junor , Florent Mertens , Andrei Lobanov

We study point-like explosive events (EE), characterized by emission in the far wings of spectral lines, in a quiet region near the South Pole, using Interface Region Imaging Spectrograph (IRIS) spectra at two slit positions, slit-jaw (SJ)…

Solar and Stellar Astrophysics · Physics 2023-02-08 C. E. Alissandrakis , J. -C. Vial

We report on the first Interface Region Imaging Spectrograph (IRIS) study of cool transition region loops. This class of loops has received little attention in the literature. A cluster of such loops was observed on the solar disk in active…

Solar and Stellar Astrophysics · Physics 2015-09-09 Zhenghua Huang , Lidong Xia , Bo Li , Maria S. Madjarska

For analytical description of the initial stage of jet generation in nonequilibrium inhomogeneous plasma in the magnetohydrodynamic approximation, possible generalizations of solutions of the nonlinear equation for the stream function are…

Plasma Physics · Physics 2024-10-22 S. N. Artekha

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

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…

We present observations of the detection of a faint high-latitude jet in the inner coma of comet 3I/ATLAS that coincides with the broad plume detected in visible images along PA $280 \pm 10^{\circ}$. A detailed analysis shows that the jet…

Earth and Planetary Astrophysics · Physics 2025-12-16 M. Serra-Ricart , J. Licandro , M. R. Alarcon

Multiwavelength observations of the propagating disturbances (PDs), discovered by Atmospheric Imaging Assembly (AIA) onboard Solar Dynamics Observatory (SDO), are analyzed to determine its driving mechanism and physical nature. Two magnetic…