Publications of Junwei Zhao ordered by citations

A list of publications authored or co-authored by Junwei Zhao, derived from the SAO/NASA Astrophysics Data System (ADS) and ordered by the numbers of citations. Publications above the horizontal line count towards the h-index.

Orcid ID: 0000-0002-6308-872X

1950	The Helioseismic and Magnetic Imager (HMI) Investigation for the Solar Dynamics Observatory (SDO) Scherrer, P. H., Schou, J., Bush, R. I., Kosovichev, A. G., Bogart, R. S., Hoeksema, J. T., Liu, Y., Duvall, T. L., Zhao, J., Title, A. M., Schrijver, C. J., Tarbell, T. D. & Tomczyk, S., 2012, Solar Physics, 275, 207
313	Torsional Oscillation, Meridional Flows, and Vorticity Inferred in the Upper Convection Zone of the Sun by Time-Distance Helioseismology Zhao, Junwei & Kosovichev, Alexander G., 2004, ApJ, 603, 776
250	Detection of Equatorward Meridional Flow and Evidence of Double-cell Meridional Circulation inside the Sun Zhao, Junwei, Bogart, R. S., Kosovichev, A. G., Duvall, T. L., Jr. & Hartlep, Thomas, 2013, ApJ, 774, L29
215	Investigation of Mass Flows beneath a Sunspot by Time-Distance Helioseismology Zhao, Junwei, Kosovichev, Alexander G. & Duvall, Thomas L., Jr., 2001, ApJ, 557, 384
138	Direct Imaging of Quasi-periodic Fast Propagating Waves of ~2000 km s-1 in the Low Solar Corona by the Solar Dynamics Observatory Atmospheric Imaging Assembly Liu, Wei, Title, Alan M., Zhao, Junwei, Ofman, Leon, Schrijver, Carolus J., Aschwanden, Markus J., De Pontieu, Bart & Tarbell, Theodore D., 2011, ApJ, 736, L13
120	On Polar Magnetic Field Reversal and Surface Flux Transport During Solar Cycle 24 Sun, Xudong, Hoeksema, J. Todd, Liu, Yang & Zhao, Junwei, 2015, ApJ, 798, 114
105	Systematic Center-to-limb Variation in Measured Helioseismic Travel Times and its Effect on Inferences of Solar Interior Meridional Flows Zhao, Junwei, Nagashima, Kaori, Bogart, R. S., Kosovichev, A. G. & Duvall, T. L., Jr., 2012, ApJ, 749, L5
99	Helioseismic Observation of the Structure and Dynamics of a Rotating Sunspot Beneath the Solar Surface Zhao, Junwei & Kosovichev, Alexander G., 2003, ApJ, 591, 446
87	Detection of Emerging Sunspot Regions in the Solar Interior Ilonidis, Stathis, Zhao, Junwei & Kosovichev, Alexander, 2011, Science, 333, 993
60	Validation of Time-Distance Helioseismology by Use of Realistic Simulations of Solar Convection Zhao, Junwei, Georgobiani, Dali, Kosovichev, Alexander G., Benson, David, Stein, Robert F. & Nordlund, Åke, 2007, ApJ, 659, 848
54	High-Resolution Helioseismic Imaging of Subsurface Structures and Flows of a Solar Active Region Observed by Hinode Zhao, Junwei, Kosovichev, Alexander G. & Sekii, Takashi, 2010, ApJ, 708, 304
50	A Comprehensive Method to Measure Solar Meridional Circulation and the Center-to-limb Effect Using Time-Distance Helioseismology Chen, Ruizhu & Zhao, Junwei, 2017, ApJ, 849, 144
49	On the inference of supergranular flows by time-distance helioseismology Zhao, Junwei & Kosovichev, Alexander G., 2003, GONG+ 2002. Local and Global Helioseismology: the Present and Future (Editors: Sawaya-Lacoste, Huguette), ESA Special Publication, 517, p. 417
47	Local Helioseismology and Correlation Tracking Analysis of Surface Structures in Realistic Simulations of Solar Convection Georgobiani, Dali, Zhao, Junwei, Kosovichev, Alexander G., Benson, David, Stein, Robert F. & Nordlund, Åke, 2007, ApJ, 657, 1157
47	Time-Distance Helioseismology Data-Analysis Pipeline for Helioseismic and Magnetic Imager Onboard Solar Dynamics Observatory (SDO/HMI) and Its Initial Results Zhao, J., Couvidat, S., Bogart, R. S., Parchevsky, K. V., Birch, A. C., Duvall, T. L., Beck, J. G., Kosovichev, A. G. & Scherrer, P. H., 2012, Solar Physics, 275, 375
45	Three-dimensional Inversion of Time-Distance Helioseismology Data: Ray-Path and Fresnel-Zone Approximations Couvidat, S., Birch, A. C., Kosovichev, A. G. & Zhao, J., 2004, ApJ, 607, 554
45	Surface Magnetism Effects in Time-Distance Helioseismology Zhao, Junwei & Kosovichev, Alexander G., 2006, ApJ, 643, 1317
43	Solar Meridional Flow in the Shallow Interior during the Rising Phase of Cycle 24 Zhao, Junwei, Kosovichev, A. G. & Bogart, R. S., 2014, ApJ, 789, L7
43	Detection of Supergranulation Alignment in Polar Regions of the Sun by Helioseismology Nagashima, Kaori, Zhao, Junwei, Kosovichev, Alexander G. & Sekii, Takashi, 2011, ApJ, 726, L17
41	On the Relationship between the Rotational Velocity and the Field Strength of Solar Magnetic Elements Zhao, Junwei, Kosovichev, Alexander G. & Duvall, Thomas L., Jr., 2004, ApJ, 607, L135
39	Horizontal Flows in the Photosphere and Subphotosphere of Two Active Regions Liu, Yang, Zhao, Junwei & Schuck, P. W., 2013, Solar Physics, 287, 279
38	Sensitivity of Time-Distance Helioseismic Measurements to Spatial Variation of Oscillation Amplitudes. I. Observations and a Numerical Model Rajaguru, S. P., Birch, A. C., Duvall, T. L., Jr., Thompson, M. J. & Zhao, J., 2006, ApJ, 646, 543
37	Speed of Meridional Flows and Magnetic Flux Transport on the Sun Švanda, Michal, Kosovichev, Alexander G. & Zhao, Junwei, 2007, ApJ, 670, L69
37	Signatures of Emerging Subsurface Structures in Acoustic Power Maps of the Sun Hartlep, T., Kosovichev, A. G., Zhao, J. & Mansour, N. N., 2011, Solar Physics, 268, 321
33	Initial Helioseismic Observations by Hinode/SOT Sekii, Takashi, Kosovichev, Alexander G., Zhao, Junwei, Tsuneta, Saku, Shibahashi, Hiromoto, Berger, Thomas E., Ichimoto, Kiyoshi, Katsukawa, Yukio, Lites, Bruce, Nagata, Shin'ichi, Shimizu, Toshifumi, Shine, Richard A., Suematsu, Yoshinori, Tarbell, Theodore D. & Title, Alan M., 2007, Publications of the Astronomical Society of Japan, 59, S637
32	Time-Distance Imaging of Solar Far-Side Active Regions Zhao, Junwei, 2007, ApJ, 664, L139
30	Tracing p-mode Waves from the Photosphere to the Corona in Active Regions Zhao, Junwei, Felipe, Tobías, Chen, Ruizhu & Khomenko, Elena, 2016, ApJ, 830, L17
30	Comparison of Large-Scale Flows on the Sun Measured by Time-Distance Helioseismology and Local Correlation Tracking Švanda, Michal, Zhao, Junwei & Kosovichev, Alexander G., 2007, Solar Physics, 241, 27
26	Validating Time-Distance Far-Side Imaging of Solar Active Regions through Numerical Simulations Hartlep, Thomas, Zhao, Junwei, Mansour, Nagi N. & Kosovichev, Alexander G., 2008, ApJ, 689, 1373
22	Effects of Solar Active Regions on Meridional Flows Švanda, Michal, Kosovichev, Alexander G. & Zhao, Junwei, 2008, ApJ, 680, L161
22	Influence of Nonuniform Distribution of Acoustic Wavefield Strength on Time-Distance Helioseismology Measurements Parchevsky, Konstantin V., Zhao, Junwei & Kosovichev, Alexander G., 2008, ApJ, 678, 1498
21	Detection of Fast-moving Waves Propagating Outward along Sunspots’ Radial Direction in the Photosphere Zhao, Junwei, Chen, Ruizhu, Hartlep, Thomas & Kosovichev, Alexander G., 2015, ApJ, 809, L15
21	Solar Wave-field Simulation for Testing Prospects of Helioseismic Measurements of Deep Meridional Flows Hartlep, T., Zhao, J., Kosovichev, A. G. & Mansour, N. N., 2013, ApJ, 762, 132
19	Time - Distance Solar Far-Side Imaging Using Three-Skip Acoustic Signals Ilonidis, S., Zhao, J. & Hartlep, T., 2009, Solar Physics, 258, 181
19	Frequency Dependence of Helioseismic Measurements of the Center-to-Limb Effect and Flow-induced Travel-time Shifts Chen, Ruizhu & Zhao, Junwei, 2018, ApJ, 853, 161
19	Implementation and Comparison of Acoustic Travel-Time Measurement Procedures for the Solar Dynamics Observatory/Helioseismic and Magnetic Imager Time - Distance Helioseismology Pipeline Couvidat, S., Zhao, J., Birch, A. C., Kosovichev, A. G., Duvall, T. L., Parchevsky, K. & Scherrer, P. H., 2012, Solar Physics, 275, 357
18	Analysis on Correlations between Subsurface Kinetic Helicity and Photospheric Current Helicity in Active Regions Gao, Yu, Zhao, Junwei & Zhang, Hongqi, 2012, ApJ, 761, L9
17	Toward Waveform Heliotomography: Observing Interactions of Helioseismic Waves with a Sunspot Zhao, Junwei, Kosovichev, Alexander G. & Ilonidis, Stathis, 2011, Solar Physics, 268, 429
17	Variation in Cosmic-Ray Intensity Lags Sunspot Number: Implications of Late Opening of Solar Magnetic Field Wang, Yuming, Guo, Jingnan, Li, Gang, Roussos, Elias & Zhao, Junwei, 2022, ApJ, 928, 157
17	Imaging the Sun's Far-side Active Regions by Applying Multiple Measurement Schemes on Multiskip Acoustic Waves Zhao, Junwei, Hing, Dominick, Chen, Ruizhu & Hess Webber, Shea, 2019, ApJ, 887, 216
16	Reconstruction of Solar Subsurfaces by Local Helioseismology Kosovichev, Alexander G. & Zhao, Junwei, 2016, Lecture Notes in Physics, Berlin Springer Verlag (Editors: Rozelot, Jean-Pierre & Neiner, Coralie), p.25
15	Imaging the Solar Tachocline by Time-Distance Helioseismology Zhao, Junwei, Hartlep, Thomas, Kosovichev, A. G. & Mansour, N. N., 2009, ApJ, 702, 1150
15	Helioseismic Investigation of Emerging Magnetic Flux in the Solar Convection Zone Ilonidis, Stathis, Zhao, Junwei & Hartlep, Thomas, 2013, ApJ, 777, 138
13	Response to Comment on “Detection of Emerging Sunspot Regions in the Solar Interior” Ilonidis, Stathis, Zhao, Junwei & Kosovichev, Alexander, 2012, Science, 336, 296
13	Comparison of photospheric current helicity and subsurface kinetic helicity Gao, Yu, Zhang, Hongqi & Zhao, Junwei, 2009, MNRAS, 394, L79
12	Evolution of Subsurface Zonal and Meridional Flows in Solar Cycle 24 from Helioseismological Data Getling, Alexander V., Kosovichev, Alexander G. & Zhao, Junwei, 2021, ApJ, 908, L50
12	Helioseismic Signature of Chromospheric Downflows in Acoustic Travel-Time Measurements From Hinode Nagashima, Kaori, Sekii, Takashi, Kosovichev, Alexander G., Zhao, Junwei & Tarbell, Theodore D., 2009, ApJ, 694, L115
11	Observations of Photospheric Dynamics and Magnetic Fields: From Large-Scale to Small-Scale Flows Meunier, N. & Zhao, J., 2009, Space Science Reviews, 144, 127
10	A Study of Connections Between Solar Flares and Subsurface Flow Fields of Active Regions Gao, Yu, Zhao, Junwei & Zhang, Hongqi, 2014, Solar Physics, 289, 493
10	Determining Absorption, Emissivity Reduction, and Local Suppression Coefficients inside Sunspots Ilonidis, Stathis & Zhao, Junwei, 2011, Solar Physics, 268, 377
9	Analysis of the Helioseismic Power-Spectrum Diagram of a Sunspot Zhao, Junwei & Chou, Dean-Yi, 2013, Solar Physics, 287, 149
9	Local helioseismology of sunspot regions: Comparison of ring-diagram and time-distance results Kosovichev, A. G., Basu, S., Bogart, R., Duvall, T. L., Jr., Gonzalez-Hernandez, I., Haber, D., Hartlep, T., Howe, R., Komm, R., Kholikov, S., Parchevsky, K. V., Tripathy, S. & Zhao, J., 2011, GONG-SoHO 24: A New Era of Seismology of the Sun and Solar-Like Stars, Journal of Physics Conference Series, 271, p. 012005
8	Effect of Foreshortening on Center-to-Limb Variations of Measured Acoustic Travel Times Zhao, Junwei, Stejko, Andrey & Chen, Ruizhu, 2016, Solar Physics, 291, 731
7	White-light Continuum Observation of the Off-limb Loops of the SOL2017-09-10 X8.2 Flare: Temporal and Spatial Variations Zhao, Junwei, Liu, Wei & Vial, Jean-Claude, 2021, ApJ, 921, L26
7	Removal of Active Region Inflows Reveals a Weak Solar Cycle Scale Trend in the Near-surface Meridional Flow Mahajan, Sushant S., Sun, Xudong & Zhao, Junwei, 2023, ApJ, 950, 63
7	Solar large-scale flows obtained from the HMI time-distance data-analysis pipeline Zhao, Junwei, 2016, Advances in Space Research, 58, 1457
6	A Possible Selection Rule for Flares Causing Sunquakes Chen, Ruizhu & Zhao, Junwei, 2021, ApJ, 908, 182
6	Verification of the Helioseismology Travel-time Measurement Technique and the Inversion Procedure for Sound Speed Using Artificial Data Parchevsky, K. V., Zhao, J., Hartlep, T. & Kosovichev, A. G., 2014, ApJ, 785, 40
6	Local-area helioseismology as a diagnostic tool for solar variability Kosovichev, A. G., Duvall, T. L., Birch, A. C., Gizon, L., Scherrer, P. H. & Zhao, Junwei, 2002, Advances in Space Research, 29, 1899
6	Waves of Magnetic-field Variations Observed in a Flare-excited Sunquake Event Zhao, Junwei & Chen, Ruizhu, 2018, ApJ, 860, L29
6	Phase Shifts Measured in Evanescent Acoustic Waves above the Solar Photosphere and Their Possible Impacts on Local Helioseismology Zhao, Junwei, Rajaguru, S. P. & Chen, Ruizhu, 2022, ApJ, 933, 109
6	Observed Power and Frequency Variations of Solar Rossby Waves with Solar Cycles Waidele, M. & Zhao, Junwei, 2023, ApJ, 954, L26
6	Coronal Loops Above a Sunspot Region Fang, C., Tang, Y. H., Ding, M. D., Zhao, J., Sakurai, T. & Hiei, E., 1997, Solar Physics, 176, 267
5	Analysis of 2d Hα Spectra and Magnetic Field during the Impulsive Phase of a Solar Flare Zhao, Junwei, Fang, Cheng & De Ding, Ming, 1997, Solar Physics, 173, 121
5	Helioseismic measurements of differential rotation and meridional flow Zhao, Junwei, 2013, Solar and Astrophysical Dynamos and Magnetic Activity (Editors: Kosovichev, Alexander G., de Gouveia Dal Pino, Elisabete & Yan, Yihua), IAU Symposium, 294, p. 3
5	Helioseismic Center-to-Limb Effect and Measured Travel-Time Asymmetries Around Sunspots Zhao, Junwei & Chen, Ruizhu, 2020, Dynamics of the Sun and Stars; Honoring the Life and Work of Michael J. Thompson (Editors: Monteiro, Mário J. P. F. G., Garcia, Rafael A., Christensen-Dalsgaard, J\orgen & McIntosh, Scott W.), Astrophysics and Space Science Proceedings, 57, p. 123
5	Inferring Maps of the Sun's Far-side Unsigned Magnetic Flux from Far-side Helioseismic Images Using Machine Learning Techniques Chen, Ruizhu, Zhao, Junwei, Hess Webber, Shea, Liu, Yang, Hoeksema, J. Todd & DeRosa, Marc L., 2022, ApJ, 941, 197
5	Magnetic Field Elements at High Latitude: Lifetime and Rotation Rate Liu, Y. & Zhao, J., 2009, Solar Physics, 260, 289
4	Recent progress in time distance helioseismology Zhao, Junwei, 2008, Advances in Space Research, 41, 838
3	The multiview observatory for solar terrestrial science (MOST) Gopalswamy, N., Christe, S., Fung, S. F., Gong, Q., Gruesbeck, J. R., Jian, L. K., Kanekal, S. G., Kay, C., Kucera, T. A., Leake, J. E., Li, L., Mӓkelӓ, P., Nikulla, P., Reginald, N. L., Shih, A., Tadikonda, S. K., Viall, N., Wilson, L. B., Yashiro, S., Golub, L., DeLuca, E., Reeves, K., Sterling, A. C., Winebarger, A. R., DeForest, C., Hassler, D. M., Seaton, D. B., Desai, M. I., Mokashi, P. S., Lazio, J., Jensen, E. A., Manchester, W. B., Sachdeva, N., Wood, B., Kooi, J., Hess, P., Wexler, D. B., Bale, S. D., Krucker, S., Hurlburt, N., DeRosa, M., Gosain, S., Jain, K., Kholikov, S., Petrie, G. J. D., Pevtsov, A., Tripathy, S. C., Zhao, J., Scherrer, P. H., Rajaguru, S. P., Woods, T., Kenney, M., Zhang, J., Scolini, C., Cho, K. -S., Park, Y. -D. & Jackson, B. V., 2024, Journal of Atmospheric and Solar-Terrestrial Physics, 254, 106165
3	Comparison of time-distance inversion methods applied to SDO/HMI Dopplergrams Korda, David, Švanda, Michal & Zhao, Junwei, 2019, A&A, 629, A55
3	Nonzero Phase Shifts of Acoustic Waves in the Lower Solar Atmosphere Measured from Realistic Simulations and Their Role in Local Helioseismology Waidele, M., Zhao, Junwei & Kitiashvili, I. N., 2023, ApJ, 949, 99
3	Solar subsurface flows from local helioseismology Zhao, Junwei & Chen, Ruizhu, 2016, Asian Journal of Physics, 25, 325
2	Assessing the Observability of Deep Meridional Flow Cells in the Solar Interior Fuentes, J. R., Hindman, Bradley W., Zhao, Junwei, Blume, Catherine C., Camisassa, Maria E., Featherstone, Nicholas A., Hartlep, Thomas, Korre, Lydia & Matilsky, Loren I., 2024, ApJ, 961, 78
1	Computing Helioseismic Sensitivity Kernels for the Sun's Large-scale Internal Flows Using Global-scale Wave-propagation Simulations Hartlep, Thomas & Zhao, Junwei, 2021, ApJ, 909, 66
1	The Sun's Large-Scale Flows I: Measurements of Differential Rotation & Torsional Oscillation Mahajan, Sushant S., Upton, Lisa A., Antia, H. M., Basu, Sarbani, DeRosa, Marc L., Hess Webber, Shea A., Todd Hoeksema, J., Jain, Kiran, Komm, Rudolf W., Larson, Tim, Nagovitsyn, Yury A., Pevtsov, Alexei A., Roudier, Thierry, Tripathy, Sushanta C., Ulrich, Roger K. & Zhao, Junwei, 2024, Solar Physics, 299, 38
1	Study of Global Photospheric and Chromospheric Flows Using Local Correlation Tracking and Machine Learning Methods I: Methodology and Uncertainty Estimates Li, Qin, Xu, Yan, Verma, Meetu, Denker, Carsten, Zhao, Junwei & Wang, Haimin, 2023, Solar Physics, 298, 62
0	Long-Term Variation of Helioseismic Far-Side Images and What Causes It Zhao, Junwei, Jiang, Grace Y. & Chen, Ruizhu, 2021, Solar Physics, 296, 186
0	Solar flares and active regions in the Hale sector boundary in Solar Cycle 24 Liu, Claire L. & Zhao, Junwei, 2024, MNRAS, 527, 1910