Results 71 to 80 of about 1,264 (121)

Microwave imaging of quasi-periodic pulsations at flare current sheet. [PDF]

Nat Commun, 2022
Kou Y, Cheng X, Wang Y, Yu S, Chen B, Kontar EP, Ding M.   +6 more
europepmc   +1 more source

A decade of solar Type III radio bursts observed by the Nancay Radioheliograph 1998-2008

, 2012
We present a statistical survey of almost 10 000 radio Type III bursts observed by the Nancay Radioheliograph from 1998 to 2008, covering nearly a full solar cycle. In particular, sources sizes, positions, and fluxes were examined.
Kerdraon, Alain, Saint-Hilaire, Pascal, Vilmer, Nicole   +2 more
core   +2 more sources

A solar jet-induced perturbation propagating through coronal loops and in-loop electron beam transport as indicated by type II and type N radio bursts

Astronomy & Astrophysics
Aims. Solar type II radio bursts are commonly attributed to coronal shocks driven by coronal mass ejections (CMEs). However, some metric type II bursts have occasionally been reported to occur in the absence of a CME and to be associated with weak solar ...
Cui Yingli, Kong Xiangliang, Li Zhentong, Wang Bing, Duan Yadan, Zhong Ze, Ning Hao, Wu Zhao, Wang Manqing, Liu Yang, Yu Feiyu, Jiang Zelong, Chen Wei, Su Yang, Chen Yao   +14 more
doaj   +1 more source

Defining the Middle Corona. [PDF]

Sol Phys, 2023
West MJ, Seaton DB, Wexler DB, Raymond JC, Del Zanna G, Rivera YJ, Kobelski AR, Chen B, DeForest C, Golub L, Caspi A, Gilly CR, Kooi JE, Meyer KA, Alterman BL, Alzate N, Andretta V, Auchère F, Banerjee D, Berghmans D, Chamberlin P, Chitta LP, Downs C, Giordano S, Harra L, Higginson A, Howard RA, Kumar P, Mason E, Mason JP, Morton RJ, Nykyri K, Patel R, Rachmeler L, Reardon KP, Reeves KK, Savage S, Thompson BJ, Van Kooten SJ, Viall NM, Vourlidas A, Zhukov AN.   +41 more
europepmc   +1 more source

Three-dimensional reconstruction of CME-driven shock-streamer interaction from radio and EUV observations: a different take on the diagnostics of coronal magnetic fields

, 2019
On 2014 October 30, a band-splitted type II radio burst associated with a coronal mass ejection (CME) observed by the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamic Observatory (SDO) occurred over the southeast limb of the Sun.
Barghini, D., Bemporad, A., Frassati, F., Mancuso, S.   +3 more
core   +1 more source

Dynamic Motion of Microwave Bursts during a Solar Limb Flare

The Astrophysical Journal
The SOL2013-10-28T02:02:58L133C110 flare occurred on the western limb, acquiring the GOES class of X1.0, and we focus on an oscillatory phenomenon detected at 34 GHz by the Nobeyama Radioheliograph (NoRH) during this flare.
Sujin Kim, Jeongwoo Lee, Sung-Hong Park, Su-Chan Bong, Satoshi Masuda   +4 more
doaj   +1 more source

The role and contribution of magnetic fields, characterized via their magnetic flux, to the statistical structuring of the solar atmosphere. [PDF]

Sci Rep, 2022
Li KJ, Xu JC, Feng W.
europepmc   +1 more source

Time delays in quasi-periodic pulsations observed during the X2.2 solar flare on 2011 February 15

, 2012
We report observations of quasi-periodic pulsations (QPPs) during the X2.2 flare of 2011 February 15, observed simultaneously in several wavebands. We focus on fluctuations on time scale 1-30 s and find different time lags between different wavebands ...
Berghmans, D., Cabanas, C., De Groof, A., Dolla, L., Dominique, M., Marqué, C., Schmutz, W., Seaton, D. B., Van Doorsselaere, T., Verdini, A., West, M. J., Zender, J., Zhukov, A. N.   +12 more
core   +1 more source

Magneto-thermal Coupling and Coronal Heating in Solar Active Regions Inferred from Microwave Observations

The Astrophysical Journal
The solar corona is much hotter than the photosphere and chromosphere, but the physical mechanism responsible for heating the coronal plasma remains unidentified. The thermal microwave emission, which is produced in a strong magnetic field above sunspots,
Alexey A. Kuznetsov, Gregory D. Fleishman, Gelu M. Nita, Sergey A. Anfinogentov   +3 more
doaj   +1 more source

From Nobeyama Radio Observatory to the international project ALMA -Evolution of millimeter and submillimeter wave astronomy in Japan. [PDF]

Proc Jpn Acad Ser B Phys Biol Sci, 2022
Ishiguro M, Chiba K, Sakamoto S.
europepmc   +1 more source