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Ryan O. Milligan

Researcher at Queen's University Belfast

Publications -  84
Citations -  4036

Ryan O. Milligan is an academic researcher from Queen's University Belfast. The author has contributed to research in topics: Solar flare & Flare. The author has an hindex of 31, co-authored 78 publications receiving 3752 citations. Previous affiliations of Ryan O. Milligan include The Catholic University of America & Goddard Space Flight Center.

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A Si IV/O IV electron density diagnostic for the analysis of IRIS solar spectra

TL;DR: In this paper, a rare observation of the weak O IV $\lambda$1343.51 line is reported from an X-class flare that peaked at 21:41 UT on 2014 October 24.
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On the Performance of Multi-Instrument Solar Flare Observations During Solar Cycle 24.

TL;DR: In this paper, the authors describe a technique that retrospectively searches archival databases for flares jointly observed by the Ramaty High Energy Solar Spectroscopic Imager (RHESSI), Solar Dynamics Observatory (SDO)/EUV Variability Experiment (EVE- Multiple EUV Grating Spectrograph (MEGS)-A and B, Hinode/(EUV Imaging Spectrometer, Solar Optical Telescope, and X-Ray Telescope), and Interface Region Imaging Spectrogram (IRIS).
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Performance of Major Flare Watches from the Max Millennium Program (2001-2010)

TL;DR: The Max Millennium program and Major Flare Watch (MFW) alerts, aimed at coordinating observations of all flares >X1 GOES X-ray classification (including those partially occulted by the limb), are reviewed in this article.
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Solar flare X-ray source motion as a response to electron spectral hardening

TL;DR: In this paper, the authors used the collisional thick target model (CTTM) to predict the position of a source in a solar flare, which exhibits a nonthermally-dominated spe ctrum before the peak in HXRs, known as an early impulsive event.
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Properties of sequential chromospheric brightenings and associated flare ribbons

TL;DR: In this article, the physical properties of solar sequential chromospheric brightenings (SCBs) observed in conjunction with moderate-sized solar flares with associated Coronal mass ejections are investigated.