An observational overview of solar flares

L Fletcher, BR Dennis, HS Hudson, S Krucker… - Space science …, 2011‏ - Springer
We present an overview of solar flares and associated phenomena, drawing upon a wide
range of observational data primarily from the RHESSI era. Following an introductory …

Extreme ultra-violet spectroscopy of the lower solar atmosphere during solar flares (invited review)

RO Milligan - Solar Physics, 2015‏ - Springer
The extreme ultra-violet (EUV) portion of the solar spectrum contains a wealth of diagnostic
tools for probing the lower solar atmosphere in response to an injection of energy …

Detection of flare multiperiodic pulsations in mid-ultraviolet Balmer continuum, Lyα, hard X-ray, and radio emissions simultaneously

D Li, M Ge, M Dominique, H Zhao, G Li… - The Astrophysical …, 2021‏ - iopscience.iop.org
Abstract Quasi-periodic pulsations (QPPs), which usually appear as temporal pulsations of
the total flux, are frequently detected in the light curves of solar/stellar flares. In this study, we …

The spectral content of SDO/AIA 1600 and 1700 Å filters from flare and plage observations

PJA Simões, HAS Reid, RO Milligan… - The Astrophysical …, 2019‏ - iopscience.iop.org
The strong enhancement of the ultraviolet emission during solar flares is usually taken as an
indication of plasma heating in the lower solar atmosphere caused by the deposition of the …

Quasi-periodic pulsation detected in Lyα emission during solar flares

D Li, L Lu, Z Ning, L Feng, W Gan… - The Astrophysical …, 2020‏ - iopscience.iop.org
We investigated the quasi-periodic pulsation (QPP) in Lyα, X-ray, and extreme-ultraviolet
(EUV) emissions during two solar flares, ie, an X-class (SOL2012-01-27T) and a C-class …

Observational analysis of Lyα emission in equivalent-magnitude solar flares

HJ Greatorex, RO Milligan… - The Astrophysical …, 2023‏ - iopscience.iop.org
The chromospheric Lyα line of neutral hydrogen (1216 Å) is the most intense emission line
in the solar spectrum, yet until recently observations of flare-related Lyα emission have been …

Observations of enhanced extreme ultraviolet continua during an X-class solar flare using SDO/EVE

RO Milligan, PC Chamberlin, HS Hudson… - The Astrophysical …, 2012‏ - iopscience.iop.org
Observations of extreme ultraviolet (EUV) emission from an X-class solar flare that occurred
on 2011 February 15 at 01: 44 UT are presented, obtained using the EUV Variability …

Quasi-Periodic Pulsations Detected in Ly  and Nonthermal Emissions During Solar Flares

L Lu, D Li, Z Ning, L Feng, W Gan - Solar Physics, 2021‏ - Springer
We report quasi-periodic pulsations (QPPs) with double periods during three solar flares
(viz. SOL2011-Feb-15T01: 44, SOL2011-Sep-25T04: 31, SOL2012-May-17T01: 25). The …

Lyman‐alpha variability during solar flares over solar cycle 24 using GOES‐15/EUVS‐E

RO Milligan, HS Hudson, PC Chamberlin… - Space …, 2020‏ - Wiley Online Library
The chromospheric Lyman‐alpha line of neutral hydrogen (Ly α; 1216 Å) is the strongest
emission line in the solar spectrum. Fluctuations in Ly α are known to drive changes in …

First detection of solar flare emission in mid-ultraviolet Balmer continuum

M Dominique, AN Zhukov, P Heinzel… - The Astrophysical …, 2018‏ - iopscience.iop.org
We present the first detection of solar flare emission at mid-ultraviolet wavelengths around
2000 Å by the channel 2 of the Large-Yield RAdiometer (LYRA) on board the PRoject for …