Publications of Keiji Hayashi ordered by citations

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

Orcid ID: 0000-0001-9046-6688

657	The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: SHARPs - Space-Weather HMI Active Region Patches Bobra, M. G., Sun, X., Hoeksema, J. T., Turmon, M., Liu, Y., Hayashi, K., Barnes, G. & Leka, K. D., 2014, Solar Physics, 289, 3549
550	The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: Overview and Performance Hoeksema, J. Todd, Liu, Yang, Hayashi, Keiji, Sun, Xudong, Schou, Jesper, Couvidat, Sebastien, Norton, Aimee, Bobra, Monica, Centeno, Rebecca, Leka, K. D., Barnes, Graham & Turmon, Michael, 2014, Solar Physics, 289, 3483
338	Evolution of Magnetic Field and Energy in a Major Eruptive Active Region Based on SDO/HMI Observation Sun, Xudong, Hoeksema, J. Todd, Liu, Yang, Wiegelmann, Thomas, Hayashi, Keiji, Chen, Qingrong & Thalmann, Julia, 2012, ApJ, 748, 77
259	Comparison of Line-of-Sight Magnetograms Taken by the Solar Dynamics Observatory/Helioseismic and Magnetic Imager and Solar and Heliospheric Observatory/Michelson Doppler Imager Liu, Y., Hoeksema, J. T., Scherrer, P. H., Schou, J., Couvidat, S., Bush, R. I., Duvall, T. L., Hayashi, K., Sun, X. & Zhao, X., 2012, Solar Physics, 279, 295
95	The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: Optimization of the Spectral Line Inversion Code Centeno, R., Schou, J., Hayashi, K., Norton, A., Hoeksema, J. T., Liu, Y., Leka, K. D. & Barnes, G., 2014, Solar Physics, 289, 3531
95	A New Method for Polar Field Interpolation Sun, X., Liu, Y., Hoeksema, J. T., Hayashi, K. & Zhao, X., 2011, Solar Physics, 270, 9
88	Magnetohydrodynamic Simulation of the X2.2 Solar Flare on 2011 February 15. I. Comparison with the Observations Inoue, S., Hayashi, K., Magara, T., Choe, G. S. & Park, Y. D., 2014, ApJ, 788, 182
88	Magnetohydrodynamic Simulations of the Solar Corona and Solar Wind Using a Boundary Treatment to Limit Solar Wind Mass Flux Hayashi, Keiji, 2005, ApJS, 161, 480
69	A Non-radial Eruption in a Quadrupolar Magnetic Configuration with a Coronal Null Sun, Xudong, Hoeksema, J. Todd, Liu, Yang, Chen, Qingrong & Hayashi, Keiji, 2012, ApJ, 757, 149
66	Magnetohydrodynamic Simulation of the X2.2 Solar Flare on 2011 February 15. II. Dynamics Connecting the Solar Flare and the Coronal Mass Ejection Inoue, S., Hayashi, K., Magara, T., Choe, G. S. & Park, Y. D., 2015, ApJ, 803, 73
60	Magnetic Helicity in Emerging Solar Active Regions Liu, Y., Hoeksema, J. T., Bobra, M., Hayashi, K., Schuck, P. W. & Sun, X., 2014, ApJ, 785, 13
59	The Coronal Global Evolutionary Model: Using HMI Vector Magnetogram and Doppler Data to Model the Buildup of Free Magnetic Energy in the Solar Corona Fisher, G. H., Abbett, W. P., Bercik, D. J., Kazachenko, M. D., Lynch, B. J., Welsch, B. T., Hoeksema, J. T., Hayashi, K., Liu, Y., Norton, A. A., Dalda, A. Sainz, Sun, X., DeRosa, M. L. & Cheung, M. C. M., 2015, Space Weather, 13, 369
56	An MHD Simulation of Solar Active Region 11158 Driven with a Time-dependent Electric Field Determined from HMI Vector Magnetic Field Measurement Data Hayashi, Keiji, Feng, Xueshang, Xiong, Ming & Jiang, Chaowei, 2018, ApJ, 855, 11
50	Non-dipolar solar wind structure observed in the cycle 23/24 minimum Tokumaru, M., Kojima, M., Fujiki, K. & Hayashi, K., 2009, Geophysical Research Letters, 36, L09101
50	The Coronal Global Evolutionary Model: Using HMI Vector Magnetogram and Doppler Data to Determine Coronal Magnetic Field Evolution Hoeksema, J. Todd, Abbett, William P., Bercik, David J., Cheung, Mark C. M., DeRosa, Marc L., Fisher, George H., Hayashi, Keiji, Kazachenko, Maria D., Liu, Yang, Lumme, Erkka, Lynch, Benjamin J., Sun, Xudong & Welsch, Brian T., 2020, ApJS, 250, 28
46	Magnetic Structure Producing X- and M-class Solar Flares in Solar Active Region 11158 Inoue, S., Hayashi, K., Shiota, D., Magara, T. & Choe, G. S., 2013, ApJ, 770, 79
45	MHD tomography using interplanetary scintillation measurement Hayashi, Keiji, Kojima, Masayoshi, Tokumaru, Munetoshi & Fujiki, Ken'ichi, 2003, Journal of Geophysical Research (Space Physics), 108, 1102
37	Structure and Stability of Magnetic Fields in Solar Active Region 12192 Based on the Nonlinear Force-free Field Modeling Inoue, S., Hayashi, K. & Kusano, K., 2016, ApJ, 818, 168
35	An MHD simulation model of time-dependent co-rotating solar wind Hayashi, K., 2012, Journal of Geophysical Research (Space Physics), 117, A08105
35	Properties of High-Frequency Wave Power Halos Around Active Regions: An Analysis of Multi-height Data from HMI and AIA Onboard SDO Rajaguru, S. P., Couvidat, S., Sun, Xudong, Hayashi, K. & Schunker, H., 2013, Solar Physics, 287, 107
34	Comparative Study of Data-driven Solar Coronal Field Models Using a Flux Emergence Simulation as a Ground-truth Data Set Toriumi, Shin, Takasao, Shinsuke, Cheung, Mark C. M., Jiang, Chaowei, Guo, Yang, Hayashi, Keiji & Inoue, Satoshi, 2020, ApJ, 890, 103
32	Vector Magnetic Field Synoptic Charts from the Helioseismic and Magnetic Imager (HMI) Liu, Yang, Hoeksema, J. Todd, Sun, Xudong & Hayashi, Keiji, 2017, Solar Physics, 292, 29
30	The 2003 October-November Fast Halo Coronal Mass Ejections and the Large-Scale Magnetic Field Structures Liu, Y. & Hayashi, K., 2006, ApJ, 640, 1135
29	Magnetohydrodynamic Simulations for Solar Active Regions using Time-series Data of Surface Plasma Flow and Electric Field Inferred from Helioseismic Magnetic Imager Vector Magnetic Field Measurements Hayashi, Keiji, Feng, Xueshang, Xiong, Ming & Jiang, Chaowei, 2019, ApJ, 871, L28
28	Statistical Analysis of the Horizontal Divergent Flow in Emerging Solar Active Regions Toriumi, Shin, Hayashi, Keiji & Yokoyama, Takaaki, 2014, ApJ, 794, 19
27	Long-term Trend of Solar Coronal Hole Distribution from 1975 to 2014 Fujiki, K., Tokumaru, M., Hayashi, K., Satonaka, D. & Hakamada, K., 2016, ApJ, 827, L41
27	An MHD simulation model of time-dependent global solar corona with temporally varying solar-surface magnetic field maps Hayashi, K., 2013, Journal of Geophysical Research (Space Physics), 118, 6889
26	IPS tomographic observations of 3D solar wind structure Kojima, M., Tokumaru, M., Fujiki, K., Hayashi, K. & Jackson, B. V., 2007, Astronomical and Astrophysical Transactions, 26, 467
24	Detection of the Horizontal Divergent Flow Prior to the Solar Flux Emergence Toriumi, S., Hayashi, K. & Yokoyama, T., 2012, ApJ, 751, 154
23	MHD simulation of two successive interplanetary disturbances driven by cone-model parameters in IPS-based solar wind Hayashi, Keiji, Zhao, Xue Pu & Liu, Yang, 2006, Geophysical Research Letters, 33, L20103
21	How did the solar wind structure change around the solar maximum? From interplanetary scintillation observation Fujiki, K., Kojima, M., Tokumaru, M., Ohmi, T., Yokobe, A., Hayashi, K., McComas, D. J. & Elliott, H. A., 2003, Annales Geophysicae, 21, 1257
21	Validation of Two MHD Models of the Solar Corona with Rotational Tomography Vásquez, Alberto M., Frazin, Richard A., Hayashi, Keiji, Sokolov, Igor V., Cohen, Ofer, Manchester, Ward B., IV & Kamalabadi, Farzad, 2008, ApJ, 682, 1328
18	Coupling a Global Heliospheric Magnetohydrodynamic Model to a Magnetofrictional Model of the Low Corona Hayashi, Keiji, Abbett, William P., Cheung, Mark C. M. & Fisher, George H., 2021, ApJS, 254, 1
18	Fast solar wind after the rapid acceleration Kojima, M., Breen, A. R., Fujiki, K., Hayashi, K., Ohmi, T. & Tokumaru, M., 2004, Journal of Geophysical Research (Space Physics), 109, A04103
17	The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: Magnetohydrodynamics Simulation Module for the Global Solar Corona Hayashi, K., Hoeksema, J. T., Liu, Y., Bobra, M. G., Sun, X. D. & Norton, A. A., 2015, Solar Physics, 290, 1507
17	MHD simulations of the global solar corona around the Halloween event in 2003 using the synchronic frame format of the solar photospheric magnetic field Hayashi, Keiji, Zhao, Xue Pu & Liu, Yang, 2008, Journal of Geophysical Research (Space Physics), 113, A07104
17	Three-Dimensional Magnetohydrodynamic Simulation of a Global Solar Corona Using a Temperature Distribution Map Obtained from SOHO EIT Measurements Hayashi, Keiji, Benevolenskaya, Elena, Hoeksema, Todd, Liu, Yang & Zhao, Xue Pu, 2006, ApJ, 636, L165
15	Comparison of potential field solutions for Carrington Rotation 2144 Hayashi, Keiji, Yang, Shangbin & Deng, Yuagyong, 2016, Journal of Geophysical Research (Space Physics), 121, 1046
13	An Evolution and Eruption of the Coronal Magnetic Field through a Data-driven MHD Simulation Inoue, Satoshi, Hayashi, Keiji & Miyoshi, Takahiro, 2023, ApJ, 946, 46
12	A Comparative Study of Solar Active Region 12371 with Data-constrained and Data-driven Magnetohydrodynamic Simulations Inoue, Satoshi, Hayashi, Keiji, Miyoshi, Takahiro, Jing, Ju & Wang, Haimin, 2023, ApJ, 944, L44
12	An Electric-field-driven Global Coronal Magnetohydrodynamics Simulation Model Using Helioseismic and Magnetic Imager Vector-magnetic-field Synoptic Map Data Hayashi, Keiji, Wu, Chin-Chun & Liou, Kan, 2022, ApJ, 930, 60
9	Exploration of solar photospheric magnetic field data sets using the UCSD tomography Jackson, B. V., Yu, H.-S., Buffington, A., Hick, P. P., Nishimura, N., Nozaki, N., Tokumaru, M., Fujiki, K. & Hayashi, K., 2016, Space Weather, 14, 1107
8	MHD-IPS analysis of relationship among solar wind density, temperature, and flow speed Hayashi, Keiji, Tokumaru, Munetoshi & Fujiki, Ken'ichi, 2016, Journal of Geophysical Research (Space Physics), 121, 7367
8	Prospective Out-of-ecliptic White-light Imaging of Interplanetary Corotating Interaction Regions at Solar Maximum Xiong, Ming, Davies, Jackie A., Li, Bo, Yang, Liping, Liu, Ying D., Xia, Lidong, Harrison, Richard A., Keiji, Hayashi & Li, Huichao, 2017, ApJ, 844, 76
8	Polar low-speed solar wind reappeared at the solar activity maximum of cycle 23 Ohmi, T., Kojima, M., Fujiki, K., Tokumaru, M., Hayashi, K. & Hakamada, K., 2003, Geophysical Research Letters, 30, 1409
7	Prospective White-light Imaging and In Situ Measurements of Quiescent Large-scale Solar-wind Streams from the Parker Solar Probe and Solar Orbiter Xiong, Ming, Davies, Jackie A., Feng, Xueshang, Li, Bo, Yang, Liping, Xia, Lidong, Harrison, Richard A., Hayashi, Keiji, Li, Huichao & Zhou, Yufen, 2018, ApJ, 868, 137
6	Prospective Out-of-ecliptic White-light Imaging of Coronal Mass Ejections Traveling through the Corona and Heliosphere Xiong, Ming, Davies, Jackie A., Harrison, Richard A., Zhou, Yufen, Feng, Xueshang, Xia, Lidong, Li, Bo, Liu, Ying D., Hayashi, Keiji, Li, Huichao & Yang, Liping, 2018, ApJ, 852, 111
6	The Nonpotentiality of Steady-state Coronal Magnetic Field Derived with Time-relaxation Magnetohydrodynamics Simulations Using Helioseismic and Magnetic Imager Three-component Magnetic Field Data Hayashi, Keiji, Wu, Chin-Chun & Liou, Kan, 2022, ApJ, 940, 82
4	MHD analysis of the velocity oscillations in the outer heliosphere Fujiki, Ken'ichi, Washimi, Haruichi, Hayashi, Keiji, Zank, Gary P., Tokumaru, Munetoshi, Tanaka, Takashi, Florinski, Vladimir & Kubo, Yuki, 2014, Geophysical Research Letters, 41, 1420
4	The Role of a Tiny Brightening in a Huge Geoeffective Solar Eruption Leading to the St. Patrick’s Day Storm Bamba, Yumi, Inoue, Satoshi & Hayashi, Keiji, 2019, ApJ, 874, 73
3	A Data-constrained Magnetohydrodynamic Simulation of Successive X-class Flares in Solar Active Region 13842. I. Dynamics of the Solar Eruption Associated with the X7.1 Solar Flare Matsumoto, Keitarou, Inoue, Satoshi, Liu, Nian, Hayashi, Keiji, Jing, Ju & Wang, Haimin, 2025, ApJ, 985, 20
2	Are Electric-field-driven Magnetohydrodynamic Simulations of the Solar Corona Sensitive to the Initial Condition? Barnes, Graham, Hayashi, Keiji & Gilchrist, S. A., 2024, ApJ, 960, 102
2	Boundary Treatment for the Subsonic/Alfvénic Inner Boundary at 2.5 R ⊙ in a Time-dependent 3D Magnetohydrodynamics Solar Wind Simulation Model Hayashi, Keiji, Wu, Chin-Chun & Liou, Kan, 2023, ApJS, 268, 39
1	Acceleration of Solar Eruptions via Enhanced Torus Instability Driven by Small-scale Flux Emergence Inoue, Satoshi, Miyoshi, Takahiro, Hayashi, Keiji, Minh Triet Nguyen, Huu, Jing, Ju, Cao, Wenda & Wang, Haimin, 2025, ApJ, 988, L36
1	A Data-constrained Magnetohydrodynamic Simulation of Successive X-class Flares in Solar Active Region 13842. II. Dynamics of the Solar Eruption Associated with the X9.0 Solar Flare Matsumoto, Keitarou, Inoue, Satoshi, Hayashi, Keiji, Liu, Nian, Wang, Ying, Lee, Jeongwoo, Jing, Ju & Wang, Haimin, 2025, ApJ, 991, 77
0	Large Magnetic Flux Rope Formation in an X2.1 Flare Observed on 2011 September 6 Roddanavar, Arpita, Inoue, Satoshi, Hayashi, Keiji, Jing, Ju, Cao, Wenda & Wang, Haimin, 2026, ApJ, 997, 51
0	Simulations of Global Solar Convection with a Fully Compressible CHORUS++ Code Hayashi, Keiji, Kosovichev, Alexander G. & Liang, Chunlei, 2026, ApJS, 282, 58
0	A Magnetohydrodynamics Simulation of Coronal Mass Ejections in the Upper Corona at 2.5R⊙ ≤ r ≤ 19R⊙ Hayashi, Keiji, Wu, Chin-Chun & Liou, Kan, 2025, ApJ, 979, 76