Publications of Ryan O. Milligan ordered by citations

A list of publications authored or co-authored by Ryan O. Milligan, derived from the SAO/NASA Astrophysics Data System (ADS) and ordered by the numbers of citations.

Orcid ID: 0000-0001-5031-1892

810	An Observational Overview of Solar Flares Fletcher, L., Dennis, B. R., Hudson, H. S., Krucker, S., Phillips, K., Veronig, A., Battaglia, M., Bone, L., Caspi, A., Chen, Q., Gallagher, P., Grigis, P. T., Ji, H., Liu, W., Milligan, R. O. & Temmer, M., 2011, Space Science Reviews, 159, 19
212	Velocity Characteristics of Evaporated Plasma Using Hinode/EUV Imaging Spectrometer Milligan, Ryan O. & Dennis, Brian R., 2009, ApJ, 699, 968
128	RHESSI and SOHO CDS Observations of Explosive Chromospheric Evaporation Milligan, Ryan O., Gallagher, Peter T., Mathioudakis, Mihalis, Bloomfield, D. Shaun, Keenan, Francis P. & Schwartz, Richard A., 2006, The Astrophysical Journal Letters, 638, L117
112	Observational Evidence of Gentle Chromospheric Evaporation during the Impulsive Phase of a Solar Flare Milligan, Ryan O., Gallagher, Peter T., Mathioudakis, Mihalis & Keenan, Francis P., 2006, The Astrophysical Journal Letters, 642, L169
106	The Radiated Energy Budget of Chromospheric Plasma in a Major Solar Flare Deduced from Multi-wavelength Observations Milligan, Ryan O., Kerr, Graham S., Dennis, Brian R., Hudson, Hugh S., Fletcher, Lyndsay, Allred, Joel C., Chamberlin, Phillip C., Ireland, Jack, Mathioudakis, Mihalis & Keenan, Francis P., 2014, ApJ, 793, 70
82	The Thermal Properties of Solar Flares over Three Solar Cycles Using GOES X-Ray Observations Ryan, Daniel F., Milligan, Ryan O., Gallagher, Peter T., Dennis, Brian R., Tolbert, A. Kim, Schwartz, Richard A. & Young, C. Alex, 2012, ApJS, 202, 11
70	Spatially Resolved Nonthermal Line Broadening during the Impulsive Phase of a Solar Flare Milligan, Ryan O., 2011, ApJ, 740, 70
70	The Spectral Content of SDO/AIA 1600 and 1700 Å Filters from Flare and Plage Observations Simões, Paulo J. A., Reid, Hamish A. S., Milligan, Ryan O. & Fletcher, Lyndsay, 2019, ApJ, 870, 114
62	Multi-wavelength observations and modelling of a canonical solar flare Raftery, C. L., Gallagher, P. T., Milligan, R. O. & Klimchuk, J. A., 2009, A&A, 494, 1127
62	Extreme Ultra-Violet Spectroscopy of the Lower Solar Atmosphere During Solar Flares (Invited Review) Milligan, Ryan O., 2015, Solar Physics, 290, 3399
53	Decay-phase Cooling and Inferred Heating of M- and X-class Solar Flares Ryan, Daniel F., Chamberlin, Phillip C., Milligan, Ryan O. & Gallagher, Peter T., 2013, ApJ, 778, 68
53	Observations of Enhanced Extreme Ultraviolet Continua during an X-Class Solar Flare Using SDO/EVE Milligan, Ryan O., Chamberlin, Phillip C., Hudson, Hugh S., Woods, Thomas N., Mathioudakis, Mihalis, Fletcher, Lyndsay, Kowalski, Adam F. & Keenan, Francis P., 2012, The Astrophysical Journal Letters, 748, L14
53	Rapid Changes of Electron Acceleration Characteristics at the End of the Impulsive Phase of an X-class Solar Flare Warmuth, Alexander, Holman, Gordon D., Dennis, Brian R., Mann, Gottfried, Aurass, Henry & Milligan, Ryan O., 2009, ApJ, 699, 917
47	Evidence of a Plasmoid-Looptop Interaction and Magnetic Inflows During a Solar Flare/Coronal Mass Ejection Eruptive Event Milligan, Ryan O., McAteer, R. T. James, Dennis, Brian R. & Young, C. Alex, 2010, ApJ, 713, 1292
42	Lyman-alpha Variability During Solar Flares Over Solar Cycle 24 Using GOES-15/EUVS-E Milligan, Ryan O., Hudson, Hugh S., Chamberlin, Phillip C., Hannah, Iain G. & Hayes, Laura A., 2020, Space Weather, 18, e02331
41	Detection of Three-minute Oscillations in Full-disk Lyα Emission during a Solar Flare Milligan, Ryan O., Fleck, Bernhard, Ireland, Jack, Fletcher, Lyndsay & Dennis, Brian R., 2017, The Astrophysical Journal Letters, 848, L8
36	Radiative hydrodynamic modelling and observations of the X-class solar flare on 2011 March 9 Kennedy, Michael B., Milligan, Ryan O., Allred, Joel C., Mathioudakis, Mihalis & Keenan, Francis P., 2015, A&A, 578, A72
36	Time-dependent Density Diagnostics of Solar Flare Plasmas Using SDO/EVE Milligan, Ryan O., Kennedy, Michael B., Mathioudakis, Mihalis & Keenan, Francis P., 2012, The Astrophysical Journal Letters, 755, L16
36	The Emission Measure Distribution of Impulsive Phase Flare Footpoints Graham, D. R., Hannah, I. G., Fletcher, L. & Milligan, R. O., 2013, ApJ, 767, 83
32	Reproducing Type II White-light Solar Flare Observations with Electron and Proton Beam Simulations Procházka, Ondřej, Reid, Aaron, Milligan, Ryan O., Simões, Paulo J. A., Allred, Joel C. & Mathioudakis, Mihalis, 2018, ApJ, 862, 76
32	Thermal Evolution and Radiative Output of Solar Flares Observed by the EUV Variability Experiment (EVE) Chamberlin, P. C., Milligan, R. O. & Woods, T. N., 2012, Solar Physics, 279, 23
28	A Si IV/O IV Electron Density Diagnostic for the Analysis of IRIS Solar Spectra Young, P. R., Keenan, F. P., Milligan, R. O. & Peter, H., 2018, ApJ, 857, 5
27	A Hot Microflare Observed with RHESSI and Hinode Milligan, Ryan O., 2008, The Astrophysical Journal Letters, 680, L157
22	Anomalous temporal behaviour of broadband Lyα observations during solar flares from SDO/EVE Milligan, Ryan O. & Chamberlin, Phillip C., 2016, A&A, 587, A123
20	Flare-induced Photospheric Velocity Diagnostics Monson, Aaron J., Mathioudakis, Mihalis, Reid, Aaron, Milligan, Ryan & Kuridze, David, 2021, ApJ, 915, 16
17	Prospects of Detecting Nonthermal Protons in Solar Flares via Lyman Line Spectroscopy: Revisiting the Orrall─Zirker Effect Kerr, Graham S., Allred, Joel C., Kowalski, Adam F., Milligan, Ryan O., Hudson, Hugh S., Zambrana Prado, Natalia, Kucera, Therese A. & Brosius, Jeffrey W., 2023, ApJ, 945, 118
16	Plasma diagnostics of active-region evolution and implications for coronal heating Milligan, R. O., Gallagher, P. T., Mathioudakis, M., Keenan, F. P. & Bloomfield, D. S., 2005, MNRAS, 363, 259
14	Solar Irradiance Variability Due to Solar Flares Observed in Lyman-Alpha Emission Milligan, Ryan O., 2021, Solar Physics, 296, 51
13	On the Performance of Multi-Instrument Solar Flare Observations During Solar Cycle 24 Milligan, Ryan O. & Ireland, Jack, 2018, Solar Physics, 293, 18
13	Continuum Contributions to the SDO/AIA Passbands during Solar Flares Milligan, Ryan O. & McElroy, Sarah A., 2013, ApJ, 777, 12
12	Solar Flare Impulsive Phase Emission Observed with SDO/EVE Kennedy, Michael B., Milligan, Ryan O., Mathioudakis, Mihalis & Keenan, Francis P., 2013, ApJ, 779, 84
12	Fe XI Emission Lines in a High-Resolution Extreme-Ultraviolet Active Region Spectrum Obtained by the Solar Extreme Ultraviolet Research Telescope and Spectrograph Keenan, F. P., Aggarwal, K. M., Ryans, R. S. I., Milligan, R. O., Bloomfield, D. S., Brosius, J. W., Davila, J. M. & Thomas, R. J., 2005, ApJ, 624, 428
12	Suppression of Hydrogen Emission in an X-class White-light Solar Flare Procházka, Ondřej, Milligan, Ryan O., Allred, Joel C., Kowalski, Adam F., Kotrč, Pavel & Mathioudakis, Mihalis, 2017, ApJ, 837, 46
10	Performance of Major Flare Watches from the Max Millennium Program (2001 - 2010) Bloomfield, D. S., Gallagher, P. T., Marquette, W. H., Milligan, R. O. & Canfield, R. C., 2016, Solar Physics, 291, 411
10	Solar flare X-ray source motion as a response to electron spectral hardening O'Flannagain, A. M., Gallagher, P. T., Brown, J. C., Milligan, R. O. & Holman, G. D., 2013, A&A, 555, A21
9	Properties of Sequential Chromospheric Brightenings and Associated Flare Ribbons Kirk, Michael S., Balasubramaniam, K. S., Jackiewicz, Jason, McAteer, R. T. James & Milligan, Ryan O., 2012, ApJ, 750, 145
9	Observation of a Flare and Filament Eruption in Lyman-α on 8 September 2011 by the PRoject for OnBoard Autonomy/Large Yield Radiometer (PROBA2/LYRA) Wauters, L., Dominique, M., Milligan, R., Dammasch, I. E., Kretzschmar, M. & Machol, J., 2022, Solar Physics, 297, 36
9	Quasi-Periodic Pulsations in Ionospheric TEC Synchronized With Solar Flare EUV Emission O'Hare, Aisling N., Bekker, Susanna, Hayes, Laura A. & Milligan, Ryan O., 2025, Journal of Geophysical Research (Space Physics), 130, e2024JA033493
9	The Influence of Different Phases of a Solar Flare on Changes in the Total Electron Content in the Earth's Ionosphere Bekker, Susanna, Milligan, Ryan O. & Ryakhovsky, Ilya A., 2024, ApJ, 971, 188
8	Emission lines of FeXV in spectra obtained with the Solar Extreme-Ultraviolet Research Telescope and Spectrograph Keenan, F. P., Aggarwal, K. M., Milligan, R. O., Ryans, R. S. I., Bloomfield, D. S., Srigengan, V., O'Mullane, M. G., Lawson, K. D., Msezane, A. Z., Brosius, J. W., Davila, J. M. & Thomas, R. J., 2005, MNRAS, 356, 1592
8	Call and Response: A Time-resolved Study of Chromospheric Evaporation in a Large Solar Flare Sellers, Sean G., Milligan, Ryan O. & McAteer, R. T. James, 2022, ApJ, 936, 85
8	Observational Analysis of Lyα Emission in Equivalent-magnitude Solar Flares Greatorex, Harry J., Milligan, Ryan O. & Chamberlin, Phillip C., 2023, ApJ, 954, 120
6	Lyman Continuum Observations of Solar Flares Using SDO/EVE Machado, Marcos E., Milligan, Ryan O. & Simões, Paulo J. A., 2018, ApJ, 869, 63
6	Solar Flare Energy Partitioning and Transport -- the Impulsive Phase (a Heliophysics 2050 White Paper) Kerr, Graham S., Alaoui, Meriem, Allred, Joel C., Bian, Nicholas H., Dennis, Brian R., Emslie, A. Gordon, Fletcher, Lyndsay, Guidoni, Silvina, Hayes, Laura A., Holman, Gordon D., Hudson, Hugh S., Karpen, Judith T., Kowalski, Adam F., Milligan, Ryan O., Polito, Vanessa, Qiu, Jiong & Ryan, Daniel F., 2020, arXiv:2009.08400
6	Formation of the Lyman Continuum during Solar Flares McLaughlin, Shaun A., Milligan, Ryan O., Kerr, Graham S., Monson, Aaron J., Simões, Paulo J. A. & Mathioudakis, Mihalis, 2023, ApJ, 944, 186
6	Response of Ionospheric Total Electron Content to the Impulsive and Late Phases of X Class Solar Flares With Various Center to Limb Locations Bekker, S. Z., Milligan, R. O. & Ryakhovsky, I. A., 2025, Journal of Geophysical Research (Space Physics), 130, e2025JA034281
6	Spatial variation of energy transport mechanisms within solar flare ribbons Kerr, Graham S., Krucker, Säm, Allred, Joel C., Rodríguez-Gómez, Jenny M., Inglis, Andrew R., Ryan, Daniel F., Hayes, Laura A., Milligan, Ryan O., Kowalski, Adam F., Plowman, Joseph E., Young, Peter R., Kucera, Therese A. & Brosius, Jeffrey W., 2026, Nature Astronomy, 10, 202
6	On the Instrumental Discrepancies in Lyman-Alpha Observations of Solar Flares Greatorex, Harry J., Milligan, Ryan O. & Dammasch, Ingolf E., 2024, Solar Physics, 299, 162
5	Spectral Irradiance Variability in Lyman-Alpha Emission During Solar Flares Majury, Luke, Milligan, Ryan, Butler, Elizabeth, Greatorex, Harry & Kazachenko, Maria, 2025, Solar Physics, 300, 64
5	Investigating a Characteristic Time Lag in the Ionospheric F-Region's Response to Solar Flares O'Hare, Aisling N., Bekker, Susanna, Greatorex, Harry J. & Milligan, Ryan O., 2025, Atmosphere, 16, 937
4	Spicules in IRIS Mg II Observations: Automated Identification Herde, Vicki L., Chamberlin, Phillip C., Schmit, Don, Bose, Souvik, Daw, Adrian, Milligan, Ryan O. & Polito, Vanessa, 2023, ApJ, 946, 103
4	Solar Eruptive Events (SEE) 2020 Mission Concept Lin, R. P., Caspi, A., Krucker, S., Hudson, H., Hurford, G., Bandler, S., Christe, S., Davila, J., Dennis, B., Holman, G., Milligan, R., Shih, A. Y., Kahler, S., Kontar, E., Wiedenbeck, M., Cirtain, J., Doschek, G., Share, G. H., Vourlidas, A., Raymond, J., Smith, D. M., McConnell, M. & Emslie, G., 2013, arXiv:1311.5243
3	An assessment of Fe xx-Fe xxii emission lines in SDO/EVE data as diagnostics for high-density solar flare plasmas using EUVE stellar observations Keenan, F. P., Milligan, R. O., Mathioudakis, M. & Christian, D. J., 2017, MNRAS, 468, 1117
3	The high-energy Sun - probing the origins of particle acceleration on our nearest star Matthews, S. A., Reid, H. A. S., Baker, D., Bloomfield, D. S., Browning, P. K., Calcines, A., Del Zanna, G., Erdelyi, R., Fletcher, L., Hannah, I. G., Jeffrey, N., Klein, L., Krucker, S., Kontar, E., Long, D. M., MacKinnon, A., Mann, G., Mathioudakis, M., Milligan, R., Nakariakov, V. M., Pesce-Rollins, M., Shih, A. Y., Smith, D., Veronig, A. & Vilmer, N., 2022, Experimental Astronomy, 54, 335
3	The effect of a solar flare on chromospheric oscillations Millar, David C. L., Fletcher, Lyndsay & Milligan, Ryan O., 2021, MNRAS, 503, 2444
2	Solar Flare Energy Partitioning and Transport -- the Gradual Phase (a Heliophysics 2050 White Paper) Kerr, Graham S., Alaoui, Meriem, Allred, Joel C., Bian, Nicholas H., Dennis, Brian R., Emslie, A. Gordon, Fletcher, Lyndsay, Guidoni, Silvina, Hayes, Laura A., Holman, Gordon D., Hudson, Hugh S., Karpen, Judith T., Kowalski, Adam F., Milligan, Ryan O., Polito, Vanessa, Qiu, Jiong & Ryan, Daniel F., 2020, arXiv:2009.08407
2	EUV irradiance observations from SDO/EVE as a diagnostic of solar flares Milligan, Ryan O., 2016, Solar and Stellar Flares and their Effects on Planets (Editors: Kosovichev, A. G., Hawley, S. L. & Heinzel, P.), IAU Symposium, 320, p. 41
2	Emission lines of FeXI in the 257-407Å wavelength region observed in solar spectra from EIS/Hinode and SERTS Keenan, F. P., Milligan, R. O., Jess, D. B., Aggarwal, K. M., Mathioudakis, M., Thomas, R. J., Brosius, J. W. & Davila, J. M., 2010, MNRAS, 404, 1617
1	Flare Cooling and Implications for Hinode/EIS Raftery, C. L., Gallagher, P. T. & Milligan, R. O., 2008, First Results From Hinode (Editors: Matthews, S. A., Davis, J. M. & Harra, L. K.), Astronomical Society of the Pacific Conference Series, 397, p. 184
1	Flare-induced Sunquake Signatures in the Ultraviolet as Observed by the Atmospheric Imaging Assembly Quinn, Sean, Mathioudakis, Mihalis, Nelson, Christopher J., Milligan, Ryan O., Reid, Aaron & Jess, David B., 2021, ApJ, 920, 25
1	Solar Satellites Dennis, Brian & Milligan, Ryan, 2010, Scholarpedia, 5, 6139
1	The Solar EruptioN Integral Field Spectrograph Herde, Vicki L., Chamberlin, Phillip C., Schmit, Don, Daw, Adrian, Milligan, Ryan O., Polito, Vanessa, Bose, Souvik, Boyajian, Spencer, Buedel, Paris, Edgar, Will, Gebben, Alex, Gong, Qian, Jacobsen, Ross, Nell, Nicholas, Schwab, Bennet, Sims, Alan, Summers, David, Turner, Zachary, Valade, Trace & Wallace, Joseph, 2024, Solar Physics, 299, 120
0	Quasi-Periodic Pulsations in Hydrogen Emission During Solar Flares Milligan, Ryan, Ireland, Jack & Inglis, Andrew, 2016, SDO 2016: Unraveling the Sun's Complexity (Editors: Pesnell, W. Dean & Thompson, Barbara), p. 31
0	Observations of Flare Induced Doppler Shifts in the Si III 1206 Å Line Majury, Luke H. & Milligan, Ryan O., 2025, Solar Physics, 300, 131
0	An Examination of Flare Cooling Using SDO/EVE Ryan, Daniel F., Chamberlin, Phil C., Gallagher, Peter T. & Milligan, Ryan O., 2013, SDO-3: Exploring the Network of SDO Science (Editors: Pesnell, W. Dean & Thompson, Barbara), p. 144
0	TEBBS: A New Automatic Method for Calculating Background-Subtracted Thermal Flare Properties Using GOES/XRS Ryan, Daniel F., Milligan, Ryan O., Gallagher, Peter T., Dennis, Brian R., Tolbert, A. Kim, Schwartz, Richard A. & Young, C. Alex, 2013, SDO-3: Exploring the Network of SDO Science (Editors: Pesnell, W. Dean & Thompson, Barbara), p. 143
0	Observational Calculation of Flare Filling Factors Using GOES/XRS, SDO/EVE and SDO/AIA Ryan, Daniel F., Bowen, Trevor A., Chamberlin, Philip C., Milligan, Ryan O. & Gallagher, Peter T., 2013, SDO-3: Exploring the Network of SDO Science (Editors: Pesnell, W. Dean & Thompson, Barbara), p. 133
0	Statistical Study of Geoeffective Fe XV 28.4 nm Emission Bursts and Their Influence on Ionospheric Total Electron Content During the Late Phase of Solar Flares Bekker, S. Z., O'Hare, A. N., Greatorex, H. J., Hayes, L. A., Janitzek, N., Kerr, G. S., Milligan, R. O., Qian, L. & Watanabe, K., 2026, Journal of Geophysical Research (Space Physics), 131, e2026JA035779
0	The EUV Late-Phase: Statistical Results from 15 Years of Solar Dynamics Observatory Observations Greatorex, Harry J., O'Hare, Aisling N., Bekker, Susanna, Campbell, Ryan J., Keane, Daniel C. & Milligan, Ryan O., 2026, Solar Physics, 301, 81
0	Observational Evidence of Gentle and Explosive Chromospheric Evaporation Milligan, R. O., Gallagher, P. T., Mathioudakis, M. & Keenan, F. P., 2006, SOHO-17. 10 Years of SOHO and Beyond (Editors: Lacoste, H. & Ouwehand, L.), ESA Special Publication, 617, p. 138
0	Eruption-Related Ultraviolet Irradiance Enhancements Associated with Flares Majury, Luke, Dominique, Marie, Milligan, Ryan, Talpeanu, Dana-Camelia, Dammasch, Ingolf & Berghmans, David, 2026, Solar Physics, 301, 5
0	A Method For Finding Solar Flares Jointly Observed by Multiple Instruments Milligan, Ryan, 2016, SDO 2016: Unraveling the Sun's Complexity (Editors: Pesnell, W. Dean & Thompson, Barbara), p. 35
0	SDO/EVE Observations of Lyman Continuum Emission During Solar Flares Milligan, Ryan O., Machado, Marcos E. & Simões, Paulo J. A., 2018, Catalyzing Solar Connections, p. 35
0	Detection of Three-minute Oscillations in Full-disk Lyman-alpha Emission during a Solar Flare Milligan, Ryan O., Fleck, Bernhard, Ireland, Jack, Fletcher, Lyndsay & Dennis, Brian R., 2018, Catalyzing Solar Connections, p. 36
0	The spectral content of SDO/AIA 1600 and 1700 A filters from flare and plage observations Simoes, Paulo, Reid, Hamish, Milligan, Ryan & Fletcher, Lyndsay, 2018, Catalyzing Solar Connections, p. 125