Spatially Resolved Oscillations of a Flare Looptop X-Ray Source

Authors: Fanpeng Shi, Alexander Warmuth, Dong Li, Qingmin Zhang, Zongjun Ning, Stefan Purkhart, Song Tan, Frédéric Schuller, Jake A. J. Mitchell

Source: The Astrophysical Journal Letters, Vol 982, Iss 1, p L6 (2025)

Subject Terms: Solar flares, Solar oscillations, Solar x-ray emission, Solar ultraviolet emission, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/2041-8205

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Detectability of Solar Rotation Period across Various Wavelengths

Authors: Valeriy Vasilyev, Timo Reinhold, Alexander I. Shapiro, Theodosios Chatzistergos, Natalie Krivova, Sami K. Solanki

Source: The Astrophysical Journal Letters, Vol 980, Iss 2, p L32 (2025)

Subject Terms: Solar faculae, Solar cycle, Solar activity, Solar rotation, Stellar rotation, Solar ultraviolet emission, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/2041-8205

Access URL: https://doaj.org/article/76f1030059c24543bc2efee4adaec67e

Solar Variability in the Mg ii h and k Lines

Authors: K. Sowmya, M. Snow, A. I. Shapiro, N. A. Krivova, T. Chatzistergos, S. K. Solanki

Source: The Astrophysical Journal, Vol 980, Iss 2, p 173 (2025)

Subject Terms: Solar activity, Solar ultraviolet emission, Solar chromosphere, Plages, Solar transition region, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/6ad67233ad6a4cf4ad3ec0f22653d831

ALMA Observations of Solar Spicules in a Polar Coronal Hole

Authors: T. S. Bastian, C. Alissandrakis, A. Nindos, M. Shimojo, S. M. White

Source: The Astrophysical Journal, Vol 980, Iss 1, p 60 (2025)

Subject Terms: Solar atmosphere, Solar spicules, Solar chromosphere, Solar ultraviolet emission, Solar radio emission, Solar extreme ultraviolet emission, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/b042d1e0982a4299b202348450fdc418

Ubiquitous Small-scale Extreme-ultraviolet Upflow-like Events above Network Regions Observed by the Solar Orbiter/Extreme Ultraviolet Imager

Authors: Yadan Duan, Hechao Chen, Zhenyong Hou, Zheng Sun, Yuandeng Shen

Source: The Astrophysical Journal, Vol 979, Iss 2, p 195 (2025)

Subject Terms: Quiet Sun, Solar ultraviolet emission, Solar corona, Solar spicules, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/9b4635a8577145e0b960364a31f473ab

Observational Study of Recurrent Jets: Evolution of Magnetic Flux, Current, and Helicity

Authors: Chang Zhou, Yang Guo, Guoyin Chen, Ye Qiu, M.D. Ding

Source: The Astrophysical Journal, Vol 979, Iss 1, p 62 (2025)

Subject Terms: Solar magnetic fields, Solar magnetic flux emergence, Solar ultraviolet emission, Solar magnetic reconnection, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/66c5b3e976b942f398bc87af94cd57b6

Carrington Maps in H i Lyα and Their Relationships with Extreme-ultraviolet and Magnetic-field Maps

Authors: Shuting Li, Li Feng, Beili Ying, Lei Lu, Kaifan Ji, Ying Li, Guanglu Shi, Hui Li, Yu Huang, Weiqun Gan

Source: The Astrophysical Journal Letters, Vol 969, Iss 1, p L16 (2024)

Subject Terms: Solar physics, Astronomy image processing, Solar ultraviolet emission, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/2041-8205

Access URL: https://doaj.org/article/26f625d8043e4bd4a47f92f3806d311b

Understanding the Variability of Helium Abundance in the Solar Corona Using Three-fluid Modeling and Ultraviolet Observations

Authors: Leon Ofman, Yogesh, Silvio Giordano

Source: The Astrophysical Journal Letters, Vol 970, Iss 1, p L16 (2024)

Subject Terms: Slow solar wind, Solar coronal streamers, Solar ultraviolet emission, Magnetohydrodynamics, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/2041-8205

Access URL: https://doaj.org/article/0c7c5914d62d49ebb8a16504cc9e09f2

A Comparative Analysis of the Solar Ultraviolet Spectral Irradiance Measured from Earth and Mars: Toward a General Empirical Model for the Study of Planetary Aeronomy

Authors: Zhen Xu, Jianqi Qin

Source: The Astrophysical Journal Supplement Series, Vol 271, Iss 1, p 11 (2024)

Subject Terms: Solar spectral irradiance, Solar ultraviolet emission, Mars, Aeronomy, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/0067-0049

Access URL: https://doaj.org/article/5db29796a62e45768e496bc6f6c17797

Evolution of the Ratio of Mg ii Intensities during Solar Flares

Authors: Soumya Roy, Durgesh Tripathi

Source: The Astrophysical Journal, Vol 964, Iss 2, p 106 (2024)

Subject Terms: Solar chromosphere, Solar flares, Solar ultraviolet emission, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/aab93d0b0d63404e9cf1f3cde51c237f

Persistent Upflows and Downflows at Active Region Boundaries Observed by SUTRI and AIA

Authors: Yuchuan Wu, Zhenyong Hou, Wenxian Li, Xianyong Bai, Yongliang Song, Xiao Yang, Ziyao Hu, Yuanyong Deng, Kaifan Ji

Source: The Astrophysical Journal, Vol 965, Iss 2, p 109 (2024)

Subject Terms: Solar chromosphere, Solar transition region, Solar corona, Solar ultraviolet emission, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/deaa8176bb614afd9bd5a6daf2a7515f

First Determination in the Extended Corona of the 2D Thermal Evolution of a Current Sheet after a Solar Eruption

Authors: Alessandro Bemporad, Guanglu Shi, Shuting Li, Beili Ying, Li Feng, Jun Lin, Lucia Abbo, Vincenzo Andretta, Aleksandr Burtovoi, Vania Da Deppo, Yara De Leo, Silvano Fineschi, Federica Frassati, Silvio Giordano, Catia Grimani, Giovanna Jerse, Federico Landini, Salvatore Mancuso, Giampiero Naletto, Gianalfredo Nicolini, Maurizio Pancrazzi, Marco Romoli, Giuliana Russano, Clementina Sasso, Daniele Spadaro, Marco Stangalini, Roberto Susino, Luca Teriaca, Michela Uslenghi

Source: The Astrophysical Journal, Vol 964, Iss 1, p 92 (2024)

Subject Terms: Active solar corona, Solar coronal mass ejections, Solar ultraviolet emission, Coronagraphic imaging, Solar corona, Solar coronal transients, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

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Effects of an Explicit Time-dependent Radiation Pressure Force on Trajectories of Primary Neutral Hydrogen in the Heliosphere

Authors: Lucas Dyke, Hans-Reinhard Müller

Source: The Astrophysical Journal, Vol 968, Iss 2, p 58 (2024)

Subject Terms: Heliosphere, Interstellar atomic gas, Interstellar medium wind, Solar cycle, Solar ultraviolet emission, Astronomical simulations, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/e895d389b51c45018828981d0c55b61a

Decay Timescales of Chromospheric Condensations in Solar Flare Footpoints

Authors: Elizabeth C. Butler, Adam F. Kowalski

Source: The Astrophysical Journal, Vol 970, Iss 1, p 33 (2024)

Subject Terms: Solar flares, Solar ultraviolet emission, Hydrodynamics, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/0b481ab1c1d34d0a996857bc5b95d834

Localizing Quasiperiodic Pulsations in Hard X-Ray, Microwave, and Lyα Emissions of an X6.4 Flare

Authors: Dong Li, Zhenxiang Hong, Zhenyong Hou, Yang Su

Source: The Astrophysical Journal, Vol 970, Iss 1, p 77 (2024)

Subject Terms: Solar flares, Solar oscillations, Solar x-ray emission, Solar radio emission, Solar ultraviolet emission, Sunspots, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/1995912f98604bd98f33cd1ed6125c83

Three Types of Solar Coronal Rain during Magnetic Reconnection between Open and Closed Magnetic Structures

Authors: Fangfang Qiao, Leping Li, Hui Tian, Zhenyong Hou, Hongqiang Song, Kaifan Ji, Zheng Sun

Source: The Astrophysical Journal, Vol 973, Iss 1, p 57 (2024)

Subject Terms: Solar magnetic reconnection, Plasma physics, Solar ultraviolet emission, Solar corona, Solar magnetic fields, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/9f4b1644ba194ed0949881d46145719d

CHIANTI—An Atomic Database for Emission Lines—Paper. XVIII. Version 11, Advanced Ionization Equilibrium Models: Density and Charge Transfer Effects

Authors: R. P. Dufresne, G. Del Zanna, P. R. Young, K. P. Dere, E. Deliporanidou, W. T. Barnes, E. Landi

Source: The Astrophysical Journal, Vol 974, Iss 1, p 71 (2024)

Subject Terms: Atomic data, Atomic physics, Solar ultraviolet emission, Solar atmosphere, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

Access URL: https://doaj.org/article/42feac35a1924fa18390f7eaac86e441

On the Nature of Nonthermal Broadening of Spectral Lines Observed by IRIS

Authors: Kyuhyoun Cho, Bart De Pontieu, Paola Testa

Source: The Astrophysical Journal, Vol 975, Iss 1, p 33 (2024)

Subject Terms: Solar transition region, Solar physics, Solar atmosphere, Solar ultraviolet emission, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

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Molecular Hydrogen Line Identifications in Solar Flares Observed by IRIS: Lower Atmospheric Structure from Radiometric Analysis

Authors: Sarah A. Jaeggli, Adrian N. Daw

Source: The Astrophysical Journal, Vol 976, Iss 1, p 18 (2024)

Subject Terms: Solar flares, Solar flare spectra, Spectral line identification, Spectral line lists, Molecular spectroscopy, Solar ultraviolet emission, Astrophysics, QB460-466

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Relation: https://doaj.org/toc/1538-4357

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A window into magnetic reconnection: IRIS observations of the consequences of reconnection during solar flares

Authors: Katharine K. Reeves

Source: Frontiers in Astronomy and Space Sciences, Vol 9 (2022)

Subject Terms: solar magnetic reconnection, solar activity, solar flares, solar flare spectra, solar ultraviolet emission, Astronomy, QB1-991, Geophysics. Cosmic physics, QC801-809

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Relation: https://www.frontiersin.org/articles/10.3389/fspas.2022.1041951/full; https://doaj.org/toc/2296-987X

Access URL: https://doaj.org/article/afa3c9c4882a43178a33ea45e6f2c1b6