Junwei Zhao, Ph.D. - Publications

Affiliations: 
2004 Stanford University, Palo Alto, CA 
Area:
Experimental & Observational Astrophysics and Cosmology

53 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2019 Zhao J, Hing D, Chen R, Webber SH. Imaging the Sun's Far-side Active Regions by Applying Multiple Measurement Schemes on Multiskip Acoustic Waves The Astrophysical Journal. 887: 216. DOI: 10.3847/1538-4357/Ab5951  0.393
2019 Korda D, Švanda M, Zhao J. Comparison of time-distance inversion methods applied to SDO/HMI Dopplergrams Astronomy and Astrophysics. 629. DOI: 10.1051/0004-6361/201936268  0.325
2018 Chen R, Zhao J. Frequency Dependence of Helioseismic Measurements of the Center-to-Limb Effect and Flow-induced Travel-time Shifts The Astrophysical Journal. 853: 161. DOI: 10.3847/1538-4357/Aaa3E3  0.426
2017 Chen R, Zhao J. A Comprehensive Method to Measure Solar Meridional Circulation and the Center-to-limb Effect Using Time–Distance Helioseismology The Astrophysical Journal. 849: 144. DOI: 10.3847/1538-4357/Aa8Eec  0.442
2016 Zhao J, Felipe T, Chen R, Khomenko E. TRACING p -MODE WAVES FROM THE PHOTOSPHERE TO THE CORONA IN ACTIVE REGIONS The Astrophysical Journal. 830. DOI: 10.3847/2041-8205/830/1/L17  0.317
2016 Zhao J. Solar large-scale flows obtained from the HMI time–distance data-analysis pipeline Advances in Space Research. 58: 1457-1463. DOI: 10.1016/J.Asr.2016.06.006  0.441
2016 Zhao J, Stejko A, Chen R. Effect of Foreshortening on Center-to-Limb Variations of Measured Acoustic Travel Times Solar Physics. 1-9. DOI: 10.1007/S11207-016-0864-7  0.452
2015 Zhao J, Chen R, Hartlep T, Kosovichev AG. Detection Of Fast-Moving Waves Propagating Outward Along Sunspots’ Radial Direction In The Photosphere The Astrophysical Journal. 809. DOI: 10.1088/2041-8205/809/1/L15  0.351
2015 Sun X, Hoeksema JT, Liu Y, Zhao J. On Polar Magnetic Field Reversal and Surface Flux Transport During Solar Cycle 24 The Astrophysical Journal. 798: 114. DOI: 10.1088/0004-637X/798/2/114  0.392
2014 Zhao J, Kosovichev AG, Bogart RS. Solar Meridional Flow In The Shallow Interior During The Rising Phase Of Cycle 24 The Astrophysical Journal. 789. DOI: 10.1088/2041-8205/789/1/L7  0.427
2014 Parchevsky KV, Zhao J, Hartlep T, Kosovichev AG. Verification of the Helioseismology Travel-time Measurement Technique and the Inversion Procedure for Sound Speed Using Artificial Data The Astrophysical Journal. 785: 40. DOI: 10.1088/0004-637X/785/1/40  0.438
2014 Gao Y, Zhao J, Zhang H. A Study of Connections Between Solar Flares and Subsurface Flow Fields of Active Regions Solar Physics. 289: 493-502. DOI: 10.1007/S11207-013-0274-Z  0.447
2013 Zhao J, Bogart RS, Kosovichev AG, Duvall TL, Hartlep T. Detection of Equatorward Meridional Flow and Evidence of Double-cell Meridional Circulation inside the Sun The Astrophysical Journal. 774. DOI: 10.1088/2041-8205/774/2/L29  0.45
2013 Ilonidis S, Zhao J, Hartlep T. Helioseismic Investigation Of Emerging Magnetic Flux In The Solar Convection Zone The Astrophysical Journal. 777: 138. DOI: 10.1088/0004-637X/777/2/138  0.478
2013 Hartlep T, Zhao J, Kosovichev AG, Mansour NN. Solar wave-field simulation for testing prospects of helioseismic measurements of deep meridional flows Astrophysical Journal. 762. DOI: 10.1088/0004-637X/762/2/132  0.491
2013 Zhao J, Chou D. Analysis of the Helioseismic Power-Spectrum Diagram of a Sunspot Solar Physics. 287: 149-159. DOI: 10.1007/S11207-012-0182-7  0.399
2013 Liu Y, Zhao J, Schuck PW. Horizontal Flows in the Photosphere and Subphotosphere of Two Active Regions Solar Physics. 287: 279-291. DOI: 10.1007/S11207-012-0089-3  0.376
2013 Scherrer PH, Schou J, Bush RI, Kosovichev AG, Bogart RS, Hoeksema JT, Liu Y, Duvall TL, Zhao J, Title AM, Schrijver CJ, Tarbell TD, Tomczyk S. The Helioseismic and Magnetic Imager (HMI) investigation for the Solar Dynamics Observatory (SDO) The Solar Dynamics Observatory. 207-227. DOI: 10.1007/S11207-011-9834-2  0.604
2013 Zhao J, Couvidat S, Bogart RS, Parchevsky KV, Birch AC, Duvall TL, Beck JG, Kosovichev AG, Scherrer PH. Time-distance helioseismology data-analysis pipeline for helioseismic and magnetic imager onboard solar dynamics observatory (SDO/HMI) and its initial results The Solar Dynamics Observatory. 375-390. DOI: 10.1007/S11207-011-9757-Y  0.716
2013 Couvidat S, Zhao J, Birch AC, Kosovichev AG, Duvall TL, Parchevsky K, Scherrer PH. Implementation and comparison of acoustic travel-time measurement procedures for the solar dynamics observatory/helioseismic and magnetic imager time-distance helioseismology pipeline The Solar Dynamics Observatory. 357-374. DOI: 10.1007/S11207-010-9652-Y  0.726
2012 Ilonidis S, Zhao J, Kosovichev A. Response to Comment on “Detection of Emerging Sunspot Regions in the Solar Interior” Science. 336: 296-296. DOI: 10.1126/Science.1215539  0.356
2012 Gao Y, Zhao J, Zhang H. Analysis On Correlations Between Subsurface Kinetic Helicity And Photospheric Current Helicity In Active Regions The Astrophysical Journal. 761. DOI: 10.1088/2041-8205/761/1/L9  0.38
2012 Zhao J, Nagashima K, Bogart RS, Kosovichev A, Duvall TL. Systematic Center-To-Limb Variation in Measured Helioseismic Travel Times and Its Effect on Inferences of Solar Interior Meridional Flows The Astrophysical Journal. 749. DOI: 10.1088/2041-8205/749/1/L5  0.461
2011 Ilonidis S, Zhao J, Kosovichev A. Detection of emerging sunspot regions in the solar interior. Science (New York, N.Y.). 333: 993-6. PMID 21852494 DOI: 10.1126/Science.1206253  0.415
2011 Liu W, Title AM, Zhao J, Ofman L, Schrijver CJ, Aschwanden MJ, Pontieu BD, Tarbell TD. 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 The Astrophysical Journal. 736. DOI: 10.1088/2041-8205/736/1/L13  0.388
2011 Nagashima K, Zhao J, Kosovichev AG, Sekii T. Detection Of Supergranulation Alignment In Polar Regions Of The Sun By Helioseismology The Astrophysical Journal. 726. DOI: 10.1088/2041-8205/726/2/L17  0.384
2011 Kosovichev AG, Basu S, Bogart R, Duvall TL, Gonzalez-Hernandez I, Haber D, Hartlep T, Howe R, Komm R, Kholikov S, Parchevsky KV, Tripathy S, Zhao J. Local helioseismology of sunspot regions: Comparison of ring-diagram and time-distance results Arxiv: Solar and Stellar Astrophysics. 271: 12005. DOI: 10.1088/1742-6596/271/1/012005  0.416
2011 Zhao J, Kosovichev AG, Ilonidis S. Toward Waveform Heliotomography: Observing Interactions of Helioseismic Waves with a Sunspot Solar Physics. 268: 429-442. DOI: 10.1007/S11207-010-9682-5  0.309
2011 Ilonidis S, Zhao J. Determining Absorption, Emissivity Reduction, and Local Suppression Coefficients inside Sunspots Solar Physics. 268: 377-388. DOI: 10.1007/S11207-010-9611-7  0.315
2011 Hartlep T, Kosovichev AG, Zhao J, Mansour NN. Signatures of Emerging Subsurface Structures in Acoustic Power Maps of the Sun Solar Physics. 268: 321-327. DOI: 10.1007/S11207-010-9544-1  0.426
2010 Zhao J, Kosovichev AG, Sekii T. High-Resolution Helioseismic Imaging Of Subsurface Structures And Flows Of A Solar Active Region Observed By Hinode The Astrophysical Journal. 708: 304-313. DOI: 10.1088/0004-637X/708/1/304  0.482
2009 Zhao J, Hartlep T, Kosovichev AG, Mansour NN. Imaging The Solar Tachocline By Time-Distance Helioseismology The Astrophysical Journal. 702: 1150-1156. DOI: 10.1088/0004-637X/702/2/1150  0.477
2009 Nagashima K, Sekii T, Kosovichev AG, Zhao J, Tarbell TD. Helioseismic Signature of Chromospheric Downflows in Acoustic Travel-Time Measurements From Hinode The Astrophysical Journal. 694. DOI: 10.1088/0004-637X/694/2/L115  0.393
2009 Liu Y, Zhao J. Magnetic Field Elements at High Latitude: Lifetime and Rotation Rate Solar Physics. 260: 289-298. DOI: 10.1007/S11207-009-9450-6  0.354
2009 Ilonidis S, Zhao J, Hartlep T. Time - Distance Solar Far-Side Imaging Using Three-Skip Acoustic Signals Solar Physics. 258: 181-189. DOI: 10.1007/S11207-009-9428-4  0.329
2008 Hartlep T, Zhao J, Mansour NN, Kosovichev AG. Validating Time-Distance Far-Side Imaging of Solar Active Regions through Numerical Simulations The Astrophysical Journal. 689: 1373-1378. DOI: 10.1086/592721  0.458
2008 Švanda M, Kosovichev AG, Zhao J. Effects of Solar Active Regions on Meridional Flows The Astrophysical Journal. 680. DOI: 10.1086/589997  0.43
2008 Parchevsky KV, Zhao J, Kosovichev AG. Influence of Nonuniform Distribution of Acoustic Wavefield Strength on Time-Distance Helioseismology Measurements The Astrophysical Journal. 678: 1498-1504. DOI: 10.1086/533495  0.423
2008 Zhao J. Recent progress in time–distance helioseismology Advances in Space Research. 41: 838-845. DOI: 10.1016/J.Asr.2007.03.007  0.4
2007 Sekii T, Kosovichev AG, Zhao J, Tsuneta S, Shibahashi H, Berger TE, Ichimoto K, Katsukawa Y, Lites B, Nagata S, Shimizu T, Shine RA, Suematsu Y, Tarbell TD, Title AM. Initial Helioseismic Observations by Hinode/SOT Publications of the Astronomical Society of Japan. 59. DOI: 10.1093/Pasj/59.Sp3.S637  0.393
2007 Švanda M, Kosovichev AG, Zhao J. Speed of Meridional Flows and Magnetic Flux Transport on the Sun The Astrophysical Journal. 670. DOI: 10.1086/524059  0.423
2007 Zhao J. Time-distance imaging of solar far-side active regions Astrophysical Journal. 664. DOI: 10.1086/520837  0.397
2007 Zhao J, Georgobiani D, Kosovichev AG, Benson D, Stein RF, Nordlund A. Validation of Time‐Distance Helioseismology by Use of Realistic Simulations of Solar Convection The Astrophysical Journal. 659: 848-857. DOI: 10.1086/512009  0.473
2007 Georgobiani D, Zhao J, Kosovichev AG, Benson D, Stein RF, Nordlund A. Local Helioseismology and Correlation Tracking Analysis of Surface Structures in Realistic Simulations of Solar Convection The Astrophysical Journal. 657: 1157-1161. DOI: 10.1086/511148  0.406
2007 Švanda M, Zhao J, Kosovichev AG. Comparison of Large-Scale Flows on the Sun Measured by Time-Distance Helioseismology and Local Correlation Tracking Solar Physics. 241: 27-37. DOI: 10.1007/S11207-007-0333-4  0.413
2006 Rajaguru SP, Birch AC, Duvall TL, Thompson MJ, Zhao J. Sensitivity of time-distance helioseismic measurements to spatial variation of oscillation amplitudes. I. Observations and a numerical model Astrophysical Journal. 646: 543-552. DOI: 10.1086/504705  0.644
2006 Zhao J, Kosovichev AG. Surface Magnetism Effects in Time-Distance Helioseismology The Astrophysical Journal. 643: 1317-1324. DOI: 10.1086/503248  0.456
2004 Zhao J, Kosovichev AG, Duvall TL. On the Relationship between the Rotational Velocity and the Field Strength of Solar Magnetic Elements The Astrophysical Journal. 607. DOI: 10.1086/421974  0.374
2004 Couvidat S, Birch AC, Kosovichev AG, Zhao J. Three-dimensional inversion of time-distance helioseismology data: Ray-path and fresnel-zone approximations Astrophysical Journal. 607: 554-563. DOI: 10.1086/383342  0.63
2004 Zhao J, Kosovichev AG. Torsional Oscillation, Meridional Flows, and Vorticity Inferred in the Upper Convection Zone of the Sun by Time-Distance Helioseismology The Astrophysical Journal. 603: 776-784. DOI: 10.1086/381489  0.463
2003 Zhao J, Kosovichev AG. Helioseismic Observation of the Structure and Dynamics of a Rotating Sunspot Beneath the Solar Surface The Astrophysical Journal. 591: 446-453. DOI: 10.1086/375343  0.487
2002 Kosovichev AG, Duvall JL, Birch AC, Gizon L, Scherrer PH, Zhao J. Local-area helioseismology as a diagnostic tool for solar variability Advances in Space Research. 29: 1899-1910. DOI: 10.1016/S0273-1177(02)00241-7  0.726
2001 Zhao J, Kosovichev AG, Duvall TL. Investigation of Mass Flows beneath a Sunspot by Time-Distance Helioseismology The Astrophysical Journal. 557: 384-388. DOI: 10.1086/321491  0.409
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