Publications of Sanjiv Tiwari ordered by citations

A list of publications authored or co-authored by Sanjiv Tiwari, 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: 0000-0001-7817-2978

132	Solar Science with the Atacama Large Millimeter/Submillimeter Array—A New View of Our Sun Wedemeyer, S., Bastian, T., Brajša, R., Hudson, H., Fleishman, G., Loukitcheva, M., Fleck, B., Kontar, E. P., De Pontieu, B., Yagoubov, P., Tiwari, S. K., Soler, R., Black, J. H., Antolin, P., Scullion, E., Gunár, S., Labrosse, N., Ludwig, H. -G., Benz, A. O., White, S. M., Hauschildt, P., Doyle, J. G., Nakariakov, V. M., Ayres, T., Heinzel, P., Karlicky, M., Van Doorsselaere, T., Gary, D., Alissandrakis, C. E., Nindos, A., Solanki, S. K., Rouppe van der Voort, L., Shimojo, M., Kato, Y., Zaqarashvili, T., Perez, E., Selhorst, C. L. & Barta, M., 2016, Space Science Reviews, 200, 1
88	Theory and Transport of Nearly Incompressible Magnetohydrodynamic Turbulence. IV. Solar Coronal Turbulence Zank, G. P., Adhikari, L., Hunana, P., Tiwari, S. K., Moore, R., Shiota, D., Bruno, R. & Telloni, D., 2018, ApJ, 854, 32
83	Structure of sunspot penumbral filaments: a remarkable uniformity of properties Tiwari, Sanjiv Kumar, van Noort, Michiel, Lagg, Andreas & Solanki, Sami K., 2013, A&A, 557, A25
81	Critical Science Plan for the Daniel K. Inouye Solar Telescope (DKIST) Rast, Mark P., Bello González, Nazaret, Bellot Rubio, Luis, Cao, Wenda, Cauzzi, Gianna, Deluca, Edward, de Pontieu, Bart, Fletcher, Lyndsay, Gibson, Sarah E., Judge, Philip G., Katsukawa, Yukio, Kazachenko, Maria D., Khomenko, Elena, Landi, Enrico, Martínez Pillet, Valentín, Petrie, Gordon J. D., Qiu, Jiong, Rachmeler, Laurel A., Rempel, Matthias, Schmidt, Wolfgang, Scullion, Eamon, Sun, Xudong, Welsch, Brian T., Andretta, Vincenzo, Antolin, Patrick, Ayres, Thomas R., Balasubramaniam, K. S., Ballai, Istvan, Berger, Thomas E., Bradshaw, Stephen J., Campbell, Ryan J., Carlsson, Mats, Casini, Roberto, Centeno, Rebecca, Cranmer, Steven R., Criscuoli, Serena, Deforest, Craig, Deng, Yuanyong, Erdélyi, Robertus, Fedun, Viktor, Fischer, Catherine E., González Manrique, Sergio J., Hahn, Michael, Harra, Louise, Henriques, Vasco M. J., Hurlburt, Neal E., Jaeggli, Sarah, Jafarzadeh, Shahin, Jain, Rekha, Jefferies, Stuart M., Keys, Peter H., Kowalski, Adam F., Kuckein, Christoph, Kuhn, Jeffrey R., Kuridze, David, Liu, Jiajia, Liu, Wei, Longcope, Dana, Mathioudakis, Mihalis, McAteer, R. T. James, McIntosh, Scott W., McKenzie, David E., Miralles, Mari Paz, Morton, Richard J., Muglach, Karin, Nelson, Chris J., Panesar, Navdeep K., Parenti, Susanna, Parnell, Clare E., Poduval, Bala, Reardon, Kevin P., Reep, Jeffrey W., Schad, Thomas A., Schmit, Donald, Sharma, Rahul, Socas-Navarro, Hector, Srivastava, Abhishek K., Sterling, Alphonse C., Suematsu, Yoshinori, Tarr, Lucas A., Tiwari, Sanjiv, Tritschler, Alexandra, Verth, Gary, Vourlidas, Angelos, Wang, Haimin, Wang, Yi-Ming, NSO and DKIST Project, DKIST Instrument Scientists, DKIST Science Working Group & DKIST Critical Science Plan Community, 2021, Solar Physics, 296, 70
72	Peripheral downflows in sunspot penumbrae van Noort, M., Lagg, A., Tiwari, S. K. & Solanki, S. K., 2013, A&A, 557, A24
72	Achievements of Hinode in the first eleven years Hinode Review Team, Al-Janabi, Khalid, Antolin, Patrick, Baker, Deborah, Bellot Rubio, Luis R., Bradley, Louisa, Brooks, David H., Centeno, Rebecca, Culhane, J. Leonard, Del Zanna, Giulio, Doschek, George A., Fletcher, Lyndsay, Hara, Hirohisa, Harra, Louise K., Hillier, Andrew S., Imada, Shinsuke, Klimchuk, James A., Mariska, John T., Pereira, Tiago M. D., Reeves, Katharine K., Sakao, Taro, Sakurai, Takashi, Shimizu, Toshifumi, Shimojo, Masumi, Shiota, Daikou, Solanki, Sami K., Sterling, Alphonse C., Su, Yingna, Suematsu, Yoshinori, Tarbell, Theodore D., Tiwari, Sanjiv K., Toriumi, Shin, Ugarte-Urra, Ignacio, Warren, Harry P., Watanabe, Tetsuya & Young, Peter R., 2019, Publications of the Astronomical Society of Japan, 71, R1
56	The High-Resolution Coronal Imager, Flight 2.1 Rachmeler, Laurel A., Winebarger, Amy R., Savage, Sabrina L., Golub, Leon, Kobayashi, Ken, Vigil, Genevieve D., Brooks, David H., Cirtain, Jonathan W., De Pontieu, Bart, McKenzie, David E., Morton, Richard J., Peter, Hardi, Testa, Paola, Tiwari, Sanjiv K., Walsh, Robert W., Warren, Harry P., Alexander, Caroline, Ansell, Darren, Beabout, Brent L., Beabout, Dyana L., Bethge, Christian W., Champey, Patrick R., Cheimets, Peter N., Cooper, Mark A., Creel, Helen K., Gates, Richard, Gomez, Carlos, Guillory, Anthony, Haight, Harlan, Hogue, William D., Holloway, Todd, Hyde, David W., Kenyon, Richard, Marshall, Joseph N., McCracken, Jeff E., McCracken, Kenneth, Mitchell, Karen O., Ordway, Mark, Owen, Tim, Ranganathan, Jagan, Robertson, Bryan A., Payne, M. Janie, Podgorski, William, Pryor, Jonathan, Samra, Jenna, Sloan, Mark D., Soohoo, Howard A., Steele, D. Brandon, Thompson, Furman V., Thornton, Gary S., Watkinson, Benjamin & Windt, David, 2019, Solar Physics, 294, 174
56	Global Twist of Sunspot Magnetic Fields Obtained from High-Resolution Vector Magnetograms Tiwari, Sanjiv Kumar, Venkatakrishnan, P. & Sankarasubramanian, K., 2009, ApJ, 702, L133
55	IRIS and SDO Observations of Solar Jetlets Resulting from Network-edge Flux Cancelation Panesar, Navdeep K., Sterling, Alphonse C., Moore, Ronald L., Tiwari, Sanjiv K., De Pontieu, Bart & Norton, Aimee A., 2018, ApJ, 868, L27
52	Fine-scale Explosive Energy Release at Sites of Prospective Magnetic Flux Cancellation in the Core of the Solar Active Region Observed by Hi-C 2.1, IRIS, and SDO Tiwari, Sanjiv K., Panesar, Navdeep K., Moore, Ronald L., De Pontieu, Bart, Winebarger, Amy R., Golub, Leon, Savage, Sabrina L., Rachmeler, Laurel A., Kobayashi, Ken, Testa, Paola, Warren, Harry P., Brooks, David H., Cirtain, Jonathan W., McKenzie, David E., Morton, Richard J., Peter, Hardi & Walsh, Robert W., 2019, ApJ, 887, 56
51	The Magnetic Origin of Solar Campfires Panesar, Navdeep K., Tiwari, Sanjiv K., Berghmans, David, Cheung, Mark C. M., Müller, Daniel, Auchere, Frederic & Zhukov, Andrei, 2021, ApJ, 921, L20
49	A solar tornado triggered by flares? Panesar, N. K., Innes, D. E., Tiwari, S. K. & Low, B. C., 2013, A&A, 549, A105
47	Evolution of Currents of Opposite Signs in the Flare-productive Solar Active Region NOAA 10930 Ravindra, B., Venkatakrishnan, P., Tiwari, Sanjiv Kumar & Bhattacharyya, R., 2011, ApJ, 740, 19
42	Observable Signatures of Energy Release in Braided Coronal Loops Pontin, D. I., Janvier, M., Tiwari, S. K., Galsgaard, K., Winebarger, A. R. & Cirtain, J. W., 2017, ApJ, 837, 108
42	Depth-dependent global properties of a sunspot observed by Hinode using the Solar Optical Telescope/Spectropolarimeter Tiwari, Sanjiv K., van Noort, Michiel, Solanki, Sami K. & Lagg, Andreas, 2015, A&A, 583, A119
40	Trigger Mechanism of Solar Subflares in a Braided Coronal Magnetic Structure Tiwari, Sanjiv K., Alexander, Caroline E., Winebarger, Amy R. & Moore, Ronald L., 2014, ApJ, 795, L24
40	Hi-C 2.1 Observations of Jetlet-like Events at Edges of Solar Magnetic Network Lanes Panesar, Navdeep K., Sterling, Alphonse C., Moore, Ronald L., Winebarger, Amy R., Tiwari, Sanjiv K., Savage, Sabrina L., Golub, Leon E., Rachmeler, Laurel A., Kobayashi, Ken, Brooks, David H., Cirtain, Jonathan W., De Pontieu, Bart, McKenzie, David E., Morton, Richard J., Peter, Hardi, Testa, Paola, Walsh, Robert W. & Warren, Harry P., 2019, ApJ, 887, L8
40	On the Absence of Photospheric Net Currents in Vector Magnetograms of Sunspots Obtained from Hinode (Solar Optical Telescope/Spectro-Polarimeter) Venkatakrishnan, P. & Tiwari, Sanjiv Kumar, 2009, ApJ, 706, L114
39	Pre-flare Activity and Magnetic Reconnection during the Evolutionary Stages of Energy Release in a Solar Eruptive Flare Joshi, Bhuwan, Veronig, Astrid M., Lee, Jeongwoo, Bong, Su-Chan, Tiwari, Sanjiv Kumar & Cho, Kyung-Suk, 2011, ApJ, 743, 195
37	Is the High-Resolution Coronal Imager Resolving Coronal Strands? Results from AR 12712 Williams, Thomas, Walsh, Robert W., Winebarger, Amy R., Brooks, David H., Cirtain, Jonathan W., De Pontieu, Bart, Golub, Leon, Kobayashi, Ken, McKenzie, David E., Morton, Richard J., Peter, Hardi, Rachmeler, Laurel A., Savage, Sabrina L., Testa, Paola, Tiwari, Sanjiv K., Warren, Harry P. & Watkinson, Benjamin J., 2020, ApJ, 892, 134
35	Transition-region/Coronal Signatures and Magnetic Setting of Sunspot Penumbral Jets: Hinode (SOT/FG), Hi-C, and SDO/AIA Observations Tiwari, Sanjiv K., Moore, Ronald L., Winebarger, Amy R. & Alpert, Shane E., 2016, ApJ, 816, 92
34	Effect of Polarimetric Noise on the Estimation of Twist and Magnetic Energy of Force-Free Fields Tiwari, Sanjiv Kumar, Venkatakrishnan, P., Gosain, Sanjay & Joshi, Jayant, 2009, ApJ, 700, 199
32	Force-free Field Modeling of Twist and Braiding-induced Magnetic Energy in an Active-region Corona Thalmann, J. K., Tiwari, S. K. & Wiegelmann, T., 2014, ApJ, 780, 102
32	On the Force-free Nature of Photospheric Sunspot Magnetic Fields as Observed from Hinode (SOT/SP) Tiwari, Sanjiv Kumar, 2012, ApJ, 744, 65
30	Vertical flows and mass flux balance of sunspot umbral dots Riethmüller, T. L., Solanki, S. K., van Noort, M. & Tiwari, S. K., 2013, A&A, 554, A53
22	The Drivers of Active Region Outflows into the Slow Solar Wind Brooks, David H., Winebarger, Amy R., Savage, Sabrina, Warren, Harry P., De Pontieu, Bart, Peter, Hardi, Cirtain, Jonathan W., Golub, Leon, Kobayashi, Ken, McIntosh, Scott W., McKenzie, David, Morton, Richard, Rachmeler, Laurel, Testa, Paola, Tiwari, Sanjiv & Walsh, Robert, 2020, ApJ, 894, 144
22	Hi-C Observations of Sunspot Penumbral Bright Dots Alpert, Shane E., Tiwari, Sanjiv K., Moore, Ronald L., Winebarger, Amy R. & Savage, Sabrina L., 2016, ApJ, 822, 35
22	New Evidence that Magnetoconvection Drives Solar-Stellar Coronal Heating Tiwari, Sanjiv K., Thalmann, Julia K., Panesar, Navdeep K., Moore, Ronald L. & Winebarger, Amy R., 2017, ApJ, 843, L20
21	Network Jets as the Driver of Counter-streaming Flows in a Solar Filament/Filament Channel Panesar, Navdeep K., Tiwari, Sanjiv K., Moore, Ronald L. & Sterling, Alphonse C., 2020, ApJ, 897, L2
21	Impulsive Energy Release and Non-thermal Emission in a Confined M4.0 Flare Triggered by Rapidly Evolving Magnetic Structures Kushwaha, Upendra, Joshi, Bhuwan, Cho, Kyung-Suk, Veronig, Astrid, Tiwari, Sanjiv Kumar & Mathew, S. K., 2014, ApJ, 791, 23
20	Vertical magnetic field gradient in the photospheric layers of sunspots Joshi, Jayant, Lagg, Andreas, Hirzberger, Johann, Solanki, Sami K. & Tiwari, Sanjiv K., 2017, A&A, 599, A35
19	HINODE Observations of Coherent Lateral Motion of Penumbral Filaments During an X-Class Flare Gosain, S., Venkatakrishnan, P. & Tiwari, Sanjiv Kumar, 2009, ApJ, 706, L240
19	Evidence of Twisting and Mixed-polarity Solar Photospheric Magnetic Field in Large Penumbral Jets: IRIS and Hinode Observations Tiwari, Sanjiv K., Moore, Ronald L., De Pontieu, Bart, Tarbell, Theodore D., Panesar, Navdeep K., Winebarger, Amy R. & Sterling, Alphonse C., 2018, ApJ, 869, 147
17	A New Method to Quantify and Reduce the net Projection Error in Whole-solar-active-region Parameters Measured from Vector Magnetograms Falconer, David A., Tiwari, Sanjiv K., Moore, Ronald L. & Khazanov, Igor, 2016, ApJ, 833, L31
17	SolO/EUI Observations of Ubiquitous Fine-scale Bright Dots in an Emerging Flux Region: Comparison with a Bifrost MHD Simulation Tiwari, Sanjiv K., Hansteen, Viggo H., De Pontieu, Bart, Panesar, Navdeep K. & Berghmans, David, 2022, ApJ, 929, 103
16	Propagation of waves above a plage as observed by IRIS and SDO Kayshap, P., Srivastava, A. K., Tiwari, S. K., Jelínek, P. & Mathioudakis, M., 2020, A&A, 634, A63
15	Magnetic Non-potentiality of Solar Active Regions and Peak X-ray Flux of the Associated Flares Tiwari, Sanjiv Kumar, Venkatakrishnan, P. & Gosain, Sanjay, 2010, ApJ, 721, 622
15	Near-Sun speed of CMEs and the magnetic nonpotentiality of their source active regions Tiwari, Sanjiv K., Falconer, David A., Moore, Ronald L., Venkatakrishnan, P., Winebarger, Amy R. & Khazanov, Igor G., 2015, Geophysical Research Letters, 42, 5702
14	Observation and Modeling of High-temperature Solar Active Region Emission during the High-resolution Coronal Imager Flight of 2018 May 29 Warren, Harry P., Reep, Jeffrey W., Crump, Nicholas A., Ugarte-Urra, Ignacio, Brooks, David H., Winebarger, Amy R., Savage, Sabrina, De Pontieu, Bart, Peter, Hardi, Cirtain, Jonathan W., Golub, Leon, Kobayashi, Ken, McKenzie, David, Morton, Richard, Rachmeler, Laurel, Testa, Paola, Tiwari, Sanjiv & Walsh, Robert, 2020, ApJ, 896, 51
14	On the Structure and Evolution of a Polar Crown Prominence/Filament System Panesar, N. K., Innes, D. E., Schmit, D. J. & Tiwari, S. K., 2014, Solar Physics, 289, 2971
13	Genesis and Coronal-jet-generating Eruption of a Solar Minifilament Captured by IRIS Slit-raster Spectra Panesar, Navdeep K., Tiwari, Sanjiv K., Moore, Ronald L., Sterling, Alphonse C. & De Pontieu, Bart, 2022, ApJ, 939, 25
12	Magnetic tension of sunspot fine structures Venkatakrishnan, P. & Tiwari, Sanjiv Kumar, 2010, A&A, 516, L5
12	Comparison of Force-free Coronal Magnetic Field Modeling Using Vector Fields from Hinode and Solar Dynamics Observatory Thalmann, J. K., Tiwari, S. K. & Wiegelmann, T., 2013, ApJ, 769, 59
11	SSALMON - The Solar Simulations for the Atacama Large Millimeter Observatory Network Wedemeyer, S., Bastian, T., Brajša, R., Barta, M., Hudson, H., Fleishman, G., Loukitcheva, M., Fleck, B., Kontar, E., De Pontieu, B., Tiwari, S., Kato, Y., Soler, R., Yagoubov, P., Black, J. H., Antolin, P., Gunár, S., Labrosse, N., Benz, A. O., Nindos, A., Steffen, M., Scullion, E., Doyle, J. G., Zaqarashvili, T., Hanslmeier, A., Nakariakov, V. M., Heinzel, P., Ayres, T. & Karlicky, M., 2015, Advances in Space Research, 56, 2679
10	On the Flare-induced Seismicity in the Active Region NOAA 10930 and Related Enhancement of Global Waves in the Sun Kumar, Brajesh, Venkatakrishnan, P., Mathur, Savita, Tiwari, Sanjiv Kumar & García, R. A., 2011, ApJ, 743, 29
9	Velocity Response of the Observed Explosive Events in the Lower Solar Atmosphere. I. Formation of the Flowing Cool-loop System Srivastava, A. K., Rao, Yamini K., Konkol, P., Murawski, K., Mathioudakis, M., Tiwari, Sanjiv K., Scullion, E., Doyle, J. G. & Dwivedi, B. N., 2020, ApJ, 894, 155
9	On the Estimate of Magnetic Non-potentiality of Sunspots Derived Using Hinode SOT/SP Observations: Effect of Polarimetric Noise Gosain, Sanjay, Tiwari, Sanjiv Kumar & Venkatakrishnan, P., 2010, ApJ, 720, 1281
8	Critical Magnetic Field Strengths for Solar Coronal Plumes in Quiet Regions and Coronal Holes? Avallone, Ellis A., Tiwari, Sanjiv K., Panesar, Navdeep K., Moore, Ronald L. & Winebarger, Amy, 2018, ApJ, 861, 111
7	Bipolar Ephemeral Active Regions, Magnetic Flux Cancellation, and Solar Magnetic Explosions Moore, Ronald L., Panesar, Navdeep K., Sterling, Alphonse C. & Tiwari, Sanjiv K., 2022, ApJ, 933, 12
7	Parallel Plasma Loops and the Energization of the Solar Corona Peter, Hardi, Chitta, Lakshmi Pradeep, Chen, Feng, Pontin, David I., Winebarger, Amy R., Golub, Leon, Savage, Sabrina L., Rachmeler, Laurel A., Kobayashi, Ken, Brooks, David H., Cirtain, Jonathan W., De Pontieu, Bart, McKenzie, David E., Morton, Richard J., Testa, Paola, Tiwari, Sanjiv K., Walsh, Robert W. & Warren, Harry P., 2022, ApJ, 933, 153
6	Solar Orbiter and SDO Observations, and a Bifrost Magnetohydrodynamic Simulation of Small-scale Coronal Jets Panesar, Navdeep K., Hansteen, Viggo H., Tiwari, Sanjiv K., Cheung, Mark C. M., Berghmans, David & Müller, Daniel, 2023, ApJ, 943, 24
5	Are the Brightest Coronal Loops Always Rooted in Mixed-polarity Magnetic Flux? Tiwari, Sanjiv K., Evans, Caroline L., Panesar, Navdeep K., Prasad, Avijeet & Moore, Ronald L., 2021, ApJ, 908, 151
5	Evolution of Magnetic Helicity in NOAA 10923 Over Three Consecutive Solar Rotations Tiwari, Sanjiv Kumar, Joshi, Jayant, Gosain, Sanjay & Venkatakrishnan, P., 2008, Turbulence, Dynamos, Accretion Disks, Pulsars and Collective Plasma Processes, Astrophysics and Space Science Proceedings, 12, p. 329
3	Prospective Implications of Extreme-ultraviolet Coronal Plumes for Magnetic-network Genesis of Coronal Heating, Coronal-hole Solar Wind, and Solar-wind Magnetic Field Switchbacks Moore, Ronald L., Tiwari, Sanjiv K., Panesar, Navdeep K. & Sterling, Alphonse C., 2023, ApJ, 945, L16
3	Helicity at Photospheric and Chromospheric Heights Tiwari, S. K., Venkatakrishnan, P. & Sankarasubramanian, K., 2010, Magnetic Coupling between the Interior and Atmosphere of the Sun (Editors: Hasan, S. S. & Rutten, R. J.), Astrophysics and Space Science Proceedings, 19, p. 443
3	Dominance of Bursty over Steady Heating of the 4-8 MK Coronal Plasma in a Solar Active Region: Quantification Using Maps of Minimum, Maximum, and Average Brightness Tiwari, Sanjiv K., Wilkerson, Lucy A., Panesar, Navdeep K., Moore, Ronald L. & Winebarger, Amy R., 2023, ApJ, 942, 2
2	On Making Magnetic-flux-rope Ω Loops for Solar Bipolar Magnetic Regions of All Sizes by Convection Cells Moore, Ronald L., Tiwari, Sanjiv K., Panesar, Navdeep K. & Sterling, Alphonse C., 2020, ApJ, 902, L35
2	Ti I lines at 2.2 μm as probes of the cooler regions of sunspots Smitha, H. N., Castellanos Durán, J. S., Solanki, S. K. & Tiwari, S. K., 2021, A&A, 653, A91
2	Software for interactively visualizing solar vector magnetograms of udaipur solar observatory Gosain, Sanjay, Tiwari, Sanjiv, Joshi, Jayant & Venkatakrishnan, P., 2008, Journal of Astrophysics and Astronomy, 29, 107
2	Magnetic diffusion in solar atmosphere produces measurable electric fields Anan, Tetsu, Casini, Roberto, Uitenbroek, Han, Schad, Thomas A., Socas-Navarro, Hector, Ichimoto, Kiyoshi, Jaeggli, Sarah A., Tiwari, Sanjiv K., Reep, Jeffrey W., Katsukawa, Yukio, Asai, Ayumi, Qiu, Jiong, Reardon, Kevin P., Tritschler, Alexandra, Wöger, Friedrich & Rimmele, Thomas R., 2024, Nature Communications, 15, 8811
1	Analysis of peculiar penumbral flows observed in the active region NOAA 10930 during a major solar flare Kumar, Brajesh, Venkatakrishnan, P., Mathur, Savita, Tiwari, Sanjiv Kumar & García, R. A., 2011, GONG-SoHO 24: A New Era of Seismology of the Sun and Solar-Like Stars, Journal of Physics Conference Series, 271, p. 012020
1	Evolution of Magnetic Field Twist and Tilt in Active Region NOAA 10930 Ravindra, B., Venkatakrishnan, P. & Tiwari, Sanjiv Kumar, 2011, Advances in Geosciences, Volume 27: Solar Terrestrial Science (ST) (Editors: Duldig, Marc), 27, p. 153
0	Stealth Non-standard-model Confined Flare Eruptions: Sudden Reconnection Events in Ostensibly Inert Magnetic Arches from Sunspots Moore, Ronald L., Tiwari, Sanjiv K., Panesar, Navdeep K., Aparna, V. & Sterling, Alphonse C., 2024, ApJ, 975, 20
0	Evolution of Photospheric Magnetic Field and Electric Currents During the X1.6 Flare in Active Region NOAA 12192 Chowdhury, Partha, Ravindra, Belur & Tiwari, Sanjiv Kumar, 2025, Solar Physics, 300, 36