English
Related papers

Related papers: Quasi-Periodic Oscillation of a Coronal Bright Poi…

200 papers

Coronal bright points (BPs) are numerous, bright, small-scale dynamical features found in the solar corona. Bright points have been observed to exhibit intensity oscillations across a wide range of periodicities and are likely an important…

Solar and Stellar Astrophysics · Physics 2023-11-01 Brad Ramsey , Erwin Verwichte , Huw Morgan

Coronal Bright Points (CBPs) are sets of small-scale coronal loops, connecting opposite magnetic polarities, primarily characterized by their enhanced extreme-ultraviolet (EUV) and X-ray emission. Being ubiquitous, they are thought to play…

Solar and Stellar Astrophysics · Physics 2023-03-01 Souvik Bose , Daniel Nóbrega-Siverio , Bart De Pontieu , Luc Rouppe van der Voort

Coronal Bright Points (CBPs) are ubiquitous structures in the solar atmosphere composed of hot small-scale loops observed in EUV or X-Rays in the quiet Sun and coronal holes. They are key elements to understand the heating of the corona;…

Solar and Stellar Astrophysics · Physics 2022-08-24 D. Nóbrega-Siverio , F. Moreno-Insertis

Bright points (BPs) are ubiquitous, small-scale energetic events with multithermal signatures, typically observed in the chromosphere and linked to both photospheric structure and coronal composition. Their evolution is influenced by…

Solar and Stellar Astrophysics · Physics 2025-06-25 Llŷr Humphries , Huw Morgan , David Kuridze

Using UV spectra and SJIs from the IRIS, and coronal images and magnetograms from the Solar Dynamics Observatory (SDO), we present the new features in a quiescent filament channel: subarcsecond bright points (BPs) and quasi-periodic…

Solar and Stellar Astrophysics · Physics 2016-04-27 Ting Li , Jun Zhang

Decayless kink oscillations of solar coronal loops (or decayless oscillations for short) have attracted great attention since their discovery. Coronal bright points (CBPs) are mini-active regions and consist of loops with a small size.…

Solar and Stellar Astrophysics · Physics 2022-05-18 Yuhang Gao , Hui Tian , Tom Van Doorsselaere , Yajie Chen

We developed an automated procedure for the identification of transient brightenings in images from the X-ray telescope on-board Hinode taken with an Al Poly filter in the equatorial coronal holes, polar coronal holes, and the quiet Sun…

Solar and Stellar Astrophysics · Physics 2015-05-18 S. Subramanian , M. S. Madjarska , J. G. Doyle

We examine the role of small-scale transients in the formation and evolution of solar coronal plumes. We study the dynamics of plume footpoints seen in the vicinity of a coronal hole using the Atmospheric Imaging Assembly (AIA) images, the…

Solar and Stellar Astrophysics · Physics 2015-05-19 Vaibhav Pant , Laurent Dolla , Rakesh Mazumder , Dipankar Banerjee , S. Krishna Prasad , Vemareddy Panditi

Recent analysis of high-cadence white-light images taken by the Solar-Terrestrial RElations Observatory (STEREO) near solar maximum has revealed that outflowing density structures are released in an ubiquitous manner in the solar wind. The…

Solar and Stellar Astrophysics · Physics 2020-04-22 Léa Griton , Rui F. Pinto , Nicolas Poirier , Athanasios Kouloumvakos , Michaël Lavarra , Alexis P. Rouillard

Coronal bright points (CBPs) as characteristics of the solar corona are small-scale bright features ubiquitously observed at extreme ultraviolet passbands. Here, we focused on time series of CBPs in the periods of their lifetimes. We used…

Solar and Stellar Astrophysics · Physics 2019-01-25 Mahdieh Mehrabian , Bardia Kaki , Yusefali Abedini

The \textit{Sun Watcher using Active Pixel system detector and Image Processing}(SWAP) on board the \textit{PRoject for OnBoard Autonomy\todash 2} (PROBA\todash 2) spacecraft provides images of the solar corona in EUV channel centered at…

Solar and Stellar Astrophysics · Physics 2012-06-11 K. Chandrashekhar , S. Krishna Prasad , D. Banerjee , B. Ravindra , Daniel B. Seaton

The present study investigates a mini-filament eruption associated with cancelling magnetic fluxes. The eruption originates from a small-scale loop complex commonly known as a Coronal Bright Point (CBP). The event is uniquely recorded in…

Solar and Stellar Astrophysics · Physics 2022-04-20 Maria S. Madjarska , Duncan H. Mackay , Klaus Galsgaard , Thomas Wiegelmann , Haixia Xie

We investigate the chromospheric counterpart of small-scale coronal loops constituting a coronal bright point (CBP) and its response to a photospheric magnetic-flux increase accompanied by co-temporal CBP heating. We used co-observations…

We report the bi-directional moving structures in a coronal bright point (CBP) on 2015 July 14. It is observed by the Atmospheric Imaging Assembly (AIA) onboard Solar Dynamics Observatory (SDO). This CBP has a lifetime of about 10 minutes,…

Solar and Stellar Astrophysics · Physics 2016-09-07 Dong Li , Zongjun Ning , Yingna Su

Intensity oscillations of coronal bright points (BPs) have been studied for past several years. It has been known for a while that these BPs are closed magnetic loop like structures. However, initiation of such intensity oscillations is…

Solar and Stellar Astrophysics · Physics 2015-09-23 K. Chandrashekhar , Aveek Sarkar

Context. The corona of the Sun is the part of the solar atmosphere with temperatures of over one million Kelvin, which needs to be heated internally in order to exist. This heating mechanism remains a mystery; we see large magnetically…

Solar and Stellar Astrophysics · Physics 2023-11-03 I. Kraus , Ph. -A. Bourdin , J. Zender , M. Bergmann , A. Hanslmeier

Coronal bright points are typical small-scale coronal brightenings that consist of a bundle of miniature coronal loops. Using the ultra-high-resolution coronal images from the Extreme Ultraviolet Image onboard Solar Obiter, we report the…

Solar and Stellar Astrophysics · Physics 2025-05-21 Junchao Hong , Jiayan Yang , Yi Bi , Bo Yang

Small-scale brightenigs are ubiquitous, dynamic and energetic phenomena found in the chromopshere. An advanced filter-detection algorithm applied to high-resolution observations from the Interface Region Imaging Spectrograph enables the…

Solar and Stellar Astrophysics · Physics 2024-11-05 Llŷr Humphries , Huw Morgan , David Kuridze

The solar atmosphere is filled with clusters of hot small-scale loops commonly known as Coronal Bright Points (CBPs). These ubiquitous structures stand out in the Sun by their strong X-ray and/or extreme-ultraviolet (EUV) emission for hours…

Solar and Stellar Astrophysics · Physics 2024-06-14 D. Nóbrega-Siverio , F. Moreno-Insertis , K Galsgaard , K. Krikova , L. Rouppe van der Voort , R. Joshi , M. S. Madjarska

Since their discovery twenty year ago, transition region bright points (TRBPs) have never been observed spectroscopically. Bright point properties have not been compared with similar transition region and coronal structures. In this work we…

‹ Prev 1 2 3 10 Next ›