Publications of P. Janardhan ordered by citations

A list of publications authored or co-authored by P. Janardhan, 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: 0000-0003-2504-2576

58	Solar cycle 24: An unusual polar field reversal Janardhan, P., Fujiki, K., Ingale, M., Bisoi, S. K. & Rout, D., 2018, A&A, 618, A148
41	Multiwavelength Study of the Star Formation in the S237 H II Region Dewangan, L. K., Ojha, D. K., Zinchenko, I., Janardhan, P. & Luna, A., 2017, ApJ, 834, 22
41	A 20 year decline in solar photospheric magnetic fields: Inner-heliospheric signatures and possible implications Janardhan, P., Bisoi, Susanta Kumar, Ananthakrishnan, S., Tokumaru, M., Fujiki, K., Jose, L. & Sridharan, R., 2015, Journal of Geophysical Research (Space Physics), 120, 5306
38	Solar Polar Fields During Cycles 21 - 23: Correlation with Meridional Flows Janardhan, P., Bisoi, Susanta K. & Gosain, S., 2010, Solar Physics, 267, 267
37	The prelude to the deep minimum between solar cycles 23 and 24: Interplanetary scintillation signatures in the inner heliosphere Janardhan, P., Bisoi, Susanta Kumar, Ananthakrishnan, S., Tokumaru, M. & Fujiki, K., 2011, Geophysical Research Letters, 38, L20108
36	Combining visibilities from the giant meterwave radio telescope and the Nancay radio heliograph. High dynamic range snapshot images of the solar corona at 327 MHz Mercier, C., Subramanian, P., Kerdraon, A., Pick, M., Ananthakrishnan, S. & Janardhan, P., 2006, A&A, 447, 1189
36	The structure of solar radio noise storms Mercier, C., Subramanian, P., Chambe, G. & Janardhan, P., 2015, A&A, 576, A136
36	Travelling Interplanetary Disturbances Detected Using Interplanetary Scintillation at 327 MHz Janardhan, P., Balasubramanian, V., Ananthakrishnan, S., Dryer, M., Bhatnagar, A. & McIntosh, P. S., 1996, Solar Physics, 166, 379
28	K-band Radio Observations of Comet Hale-Bopp: Detections of Ammonia and (Possibly) Water Bird, M. K., Janardhan, P., Wilson, T. L., Huchtmeier, W. K., Gensheimer, P. & Lemme, C., 1997, Earth Moon and Planets, 78, 21
27	Radio Observations of Rapid Acceleration in a Slow Filament Eruption/Fast Coronal Mass Ejection Event Kundu, M. R., White, S. M., Garaimov, V. I., Manoharan, P. K., Subramanian, P., Ananthakrishnan, S. & Janardhan, P., 2004, ApJ, 607, 530
27	Evolution of Elemental Abundances during B-Class Solar Flares: Soft X-Ray Spectral Measurements with Chandrayaan-2 XSM Mondal, Biswajit, Sarkar, Aveek, Vadawale, Santosh V., Mithun, N. P. S., Janardhan, P., Del Zanna, Giulio, Mason, Helen E., Mitra-Kraev, Urmila & Narendranath, S., 2021, ApJ, 920, 4
26	Solar X-Ray Monitor on Board the Chandrayaan-2 Orbiter: In-Flight Performance and Science Prospects Mithun, N. P. S., Vadawale, Santosh V., Sarkar, Aveek, Shanmugam, M., Patel, Arpit R., Mondal, Biswajit, Joshi, Bhuwan, Janardhan, P., Adalja, Hiteshkumar L., Goyal, Shiv Kumar, Ladiya, Tinkal, Tiwari, Neeraj Kumar, Singh, Nishant, Kumar, Sushil, Tiwari, Manoj K., Modi, M. H. & Bhardwaj, Anil, 2020, Solar Physics, 295, 139
26	Changes in Quasi-periodic Variations of Solar Photospheric Fields: Precursor to the Deep Solar Minimum in Cycle 23? Bisoi, Susanta Kumar, Janardhan, P., Chakrabarty, D., Ananthakrishnan, S. & Divekar, Ankur, 2014, Solar Physics, 289, 41
23	Hα observations of Be stars Banerjee, D. P. K., Rawat, S. D. & Janardhan, P., 2000, Astronomy and Astrophysics Supplement Series, 147, 229
23	A Study of Density Modulation Index in the Inner Heliospheric Solar Wind during Solar Cycle 23 Bisoi, Susanta Kumar, Janardhan, P., Ingale, M., Subramanian, P., Ananthakrishnan, S., Tokumaru, M. & Fujiki, K., 2014, ApJ, 795, 69
21	Observations of the Quiet Sun during the Deepest Solar Minimum of the Past Century with Chandrayaan-2 XSM: Sub-A-class Microflares outside Active Regions Vadawale, Santosh V., Mithun, N. P. S., Mondal, Biswajit, Sarkar, Aveek, Janardhan, P., Joshi, Bhuwan, Bhardwaj, Anil, Shanmugam, M., Patel, Arpit R., Adalja, Hitesh Kumar L., Goyal, Shiv Kumar, Ladiya, Tinkal, Tiwari, Neeraj Kumar, Singh, Nishant & Kumar, Sushil, 2021, ApJ, 912, L13
20	Resolving the enigmatic solar wind disappearance event of 11 May 1999 Janardhan, P., Fujiki, K., Kojima, M., Tokumaru, M. & Hakamada, K., 2005, Journal of Geophysical Research (Space Physics), 110, A08101
19	Another Mini Solar Maximum in the Offing: A Prediction for the Amplitude of Solar Cycle 25 Bisoi, S. K., Janardhan, P. & Ananthakrishnan, S., 2020, Journal of Geophysical Research (Space Physics), 125, e27508
18	The Molecular Cloud S242: Physical Environment and Star-formation Activities Dewangan, L. K., Baug, T., Ojha, D. K., Janardhan, P., Devaraj, R. & Luna, A., 2017, ApJ, 845, 34
17	The solar wind disappearance event of 11 May 1999: source region evolution Janardhan, P., Tripathi, D. & Mason, H. E., 2008, A&A, 488, L1
17	Interplanetary scintillation observations of the solar wind disappearance event of May 1999 Balasubramanian, V., Janardhan, P., Srinivasan, S. & Ananthakrishnan, S., 2003, Journal of Geophysical Research (Space Physics), 108, 1121
16	Observations of the Quiet Sun during the Deepest Solar Minimum of the Past Century with Chandrayaan-2 XSM: Elemental Abundances in the Quiescent Corona Vadawale, Santosh V., Mondal, Biswajit, Mithun, N. P. S., Sarkar, Aveek, Janardhan, P., Joshi, Bhuwan, Bhardwaj, Anil, Shanmugam, M., Patel, Arpit R., Adalja, Hitesh Kumar L., Goyal, Shiv Kumar, Ladiya, Tinkal, Tiwari, Neeraj Kumar, Singh, Nishant & Kumar, Sushil, 2021, ApJ, 912, L12
16	Coronal velocity measurements with Ulysses: multi-link correlation studies during two superior conjunctions Janardhan, P., Bird, M. K., Edenhofen, P., Wohlmuth, R., Plettemeier, D., Asmar, S. W., Pätzold, M. & Karl, J., 1999, Solar Physics, 184, 157
15	J1216+0709: A Radio Galaxy with Three Episodes of AGN Jet Activity Singh, Veeresh, Ishwara-Chandra, C. H., Kharb, Preeti, Srivastava, Shweta & Janardhan, P., 2016, ApJ, 826, 132
15	Global Solar Magnetic Field and Interplanetary Scintillations During the Past Four Solar Cycles Sasikumar Raja, K., Janardhan, P., Bisoi, Susanta Kumar, Ingale, Madhusudan, Subramanian, Prasad, Fujiki, K. & Maksimovic, Milan, 2019, Solar Physics, 294, 123
15	Latitudinal Variation of Solar Wind Velocity Ananthakrishnan, S., Balasubramanian, V. & Janardhan, P., 1995, Space Science Reviews, 72, 229
14	Source regions of solar wind disappearance events Janardhan, P., Fujiki, K., Sawant, H. S., Kojima, M., Hakamada, K. & Krishnan, R., 2008, Journal of Geophysical Research (Space Physics), 113, A03102
14	Giant Meterwave Radio Telescope observations of an M2.8 flare: Insights into the initiation of a flare-coronal mass ejection event Subramanian, Prasad, Ananthakrishnan, S., Janardhan, P., Kundu, M. R., White, S. M. & Garaimov, V. I., 2003, Solar Physics, 218, 247
14	Amplitude of solar wind density turbulence from 10 to 45 R⊙ Sasikumar Raja, K., Ingale, Madhusudan, Ramesh, R., Subramanian, Prasad, Manoharan, P. K. & Janardhan, P., 2016, Journal of Geophysical Research (Space Physics), 121, 11,605
13	Observations of interplanetary scintillation during the 1998 Whole Sun Month: a comparison between EISCAT, ORT and Nagoya data Moran, P. J., Ananthakrishnan, S., Balasubramanian, V., Breen, A. R., Canals, A., Fallows, R. A., Janardhan, P., Tokumaru, M. & Williams, P. J. S., 2000, Annales Geophysicae, 18, 1003
13	Solar wind flow angle and geoeffectiveness of corotating interaction regions: First results Rout, Diptiranjan, Chakrabarty, D., Janardhan, P., Sekar, R., Maniya, Vrunda & Pandey, Kuldeep, 2017, Geophysical Research Letters, 44, 4532
13	The Physical Environment around IRAS 17599-2148: Infrared Dark Cloud and Bipolar Nebula Dewangan, L. K., Ojha, D. K., Zinchenko, I., Janardhan, P., Ghosh, S. K. & Luna, A., 2016, ApJ, 833, 246
12	Enhanced Radio Source Scintillation due to Comet Austin 1989C1 Janardhan, P., Alurkar, S. K., Bobra, A. D. & Slee, O. B., 1991, Australian Journal of Physics, 44, 565
12	Beyond the Minisolar Maximum of Solar Cycle 24: Declining Solar Magnetic Fields and the Response of the Terrestrial Magnetosphere Ingale, M., Janardhan, P. & Bisoi, S. K., 2019, Journal of Geophysical Research (Space Physics), 124, 6363
11	Aditya Solarwind Particle EXperiment (ASPEX) onboard the Aditya-L1 mission Goyal, S. K., Kumar, P., Janardhan, P., Vadawale, S. V., Sarkar, A., Shanmugam, M., Subramanian, K. P., Bapat, B., Chakrabarty, D., Adhyaru, P. R., Patel, A. R., Banerjee, S. B., Shah, Manan S., Tiwari, Neeraj K., Adalja, H. L., Ladiya, T., Dadhania, M. B., Sarda, A., Hait, A. K., Chauhan, M. & Bhavsar, R. R., 2018, Planetary and Space Science, 163, 42
11	Ground calibration of Solar X-ray Monitor on board the Chandrayaan-2 orbiter Mithun, N. P. S., Vadawale, Santosh V., Shanmugam, M., Patel, Arpit R., Tiwari, Neeraj Kumar, Adalja, Hiteshkumar L., Goyal, Shiv Kumar, Ladiya, Tinkal, Singh, Nishant, Kumar, Sushil, Tiwari, Manoj K., Modi, M. H., Mondal, Biswajit, Sarkar, Aveek, Joshi, Bhuwan, Janardhan, P. & Bhardwaj, Anil, 2021, Experimental Astronomy, 51, 33
10	Power spectral analysis of enhanced scintillation of quasar 3C 459 due tocomet Halley. Janardhan, P., Alurkar, S. K., Bobra, A. D., Slee, O. B. & Waldron, D., 1992, Australian Journal of Physics, 45, 115
9	Near infra-red and optical spectroscopy of Delta Scorpii Banerjee, D. P. K., Janardhan, P. & Ashok, N. M., 2001, A&A, 380, L13
9	Star-formation Activity in the Neighborhood of W-R 1503-160L Star in the Mid-infrared Bubble N46 Dewangan, L. K., Baug, T., Ojha, D. K., Janardhan, P., Ninan, J. P., Luna, A. & Zinchenko, I., 2016, ApJ, 826, 27
8	Soft X-Ray Spectral Diagnostics of Multithermal Plasma in Solar Flares with Chandrayaan-2 XSM Mithun, N. P. S., Vadawale, Santosh V., Del Zanna, Giulio, Rao, Yamini K., Joshi, Bhuwan, Sarkar, Aveek, Mondal, Biswajit, Janardhan, P., Bhardwaj, Anil & Mason, Helen E., 2022, ApJ, 939, 112
8	Multiwavelength Observations by XSM, Hinode, and SDO of an Active Region. Chemical Abundances and Temperatures Del Zanna, G., Mondal, B., Rao, Y. K., Mithun, N. P. S., Vadawale, S. V., Reeves, K. K., Mason, H. E., Sarkar, A., Janardhan, P. & Bhardwaj, A., 2022, ApJ, 934, 159
7	A New Tool for Predicting the Solar Cycle: Correlation Between Flux Transport at the Equator and the Poles Bisoi, Susanta Kumar & Janardhan, P., 2020, Solar Physics, 295, 79
7	Decimetric Emission 500″ Away from a Flaring Site: Possible Scenarios from GMRT Solar Radio Observations Bisoi, Susanta Kumar, Sawant, H. S., Janardhan, P., Yan, Y., Chen, L., Awasthi, Arun Kumar, Srivastava, Shweta & Gao, G., 2018, ApJ, 862, 65
7	Flow Sources and Formation Laws of Solar Wind Streams Lotova, N. A., Obridko, V. N., Vladimirskii, K. V., Bird, M. K. & Janardhan, P., 2002, Solar Physics, 205, 149
6	Evolution of Elemental Abundances in Hot Active Region Cores from Chandrayaan-2 XSM Observations Mondal, Biswajit, Vadawale, Santosh V., Del Zanna, Giulio, Mithun, N. P. S., Sarkar, Aveek, Mason, Helen E., Janardhan, P. & Bhardwaj, Anil, 2023, ApJ, 955, 146
6	Radio Detection of a Rapid Disturbance Launched by a Solar Flare White, S. M., Janardhan, P. & Kundu, M. R., 2000, ApJ, 533, L167
6	An infrared photometric and spectroscopic study of post-AGB stars Raman, V. Venkata, Anandarao, B. G., Janardhan, P. & Pandey, R., 2017, MNRAS, 470, 1593
5	Comparison of Single-Site Interplanetary Scintillation Solar Wind Speed Structure with Coronal Features Alurkar, S. K., Janardhan, P. & Vats, Hari O., 1993, Solar Physics, 144, 385
5	Determination of mass and orbital parameters of a low-mass star HD 213597B Chaturvedi, Priyanka, Deshpande, Rohit, Dixit, Vaibhav, Roy, Arpita, Chakraborty, Abhijit, Mahadevan, Suvrath, Anandarao, B. G., Hebb, Leslie & Janardhan, P., 2014, MNRAS, 442, 3737
4	Enigmatic solar wind disappearance events – Do we understand them? Janardhan, P., 2006, Journal of Astrophysics and Astronomy, 27, 201
4	Anisotropic Structure of the Solar Wind in its Region of Acceleration Efimov, A. I., Rudash, V. K., Bird, M. K., Janardhan, P., Karl, J., Pätzold, M., Edenhofer, P., Plettemeier, D. & Wohlmuth, R., 2000, Advances in Space Research, 26, 785
4	The prolonged southward IMF-Bz event of 2-4 May 1998: Solar, interplanetary causes and geomagnetic consequences Bisoi, Susanta Kumar, Chakrabarty, D., Janardhan, P., Rastogi, R. G., Yoshikawa, A., Fujiki, K., Tokumaru, M. & Yan, Y., 2016, Journal of Geophysical Research (Space Physics), 121, 3882
4	The Origin of Extremely Nonradial Solar Wind Outflows Rout, Diptiranjan, Janardhan, P., Fujiki, K., Chakrabarty, D. & S. K., Bisoi, 2023, ApJ, 950, 1
4	The Morphology of Decimetric Emission from Solar Flares: GMRT Observations Kundu, M. R., White, S. M., Garaimov, V. I., Subramanian, P., Ananthakrishnan, S. & Janardhan, P., 2006, Solar Physics, 236, 369
3	Unique observations of a geomagnetic SI+ - SI- pair: Solar sources and associated solar wind fluctuations Rastogi, R. G., Janardhan, P., Ahmed, K., Das, A. C. & Bisoi, Susanta K., 2010, Journal of Geophysical Research (Space Physics), 115, A12110
3	Deep GMRT 150 MHz Observations of the DEEP2 Fields: Searching for High Red-Shift Radio Galaxies Revisited Bisoi, Susanta K., Ishwara-Chandra, C. H., Sirothia, S. K. & Janardhan, P., 2011, Journal of Astrophysics and Astronomy, 32, 613
3	Shock-induced transformation of non-magnetic to magnetic ISM dust analogue Roy, Arijit, Singh, Surendra V., Meka, J. K., Ramachandran, R., Sahu, D., Gautam, A., Vijay, T., Vishakantaiah, Jayaram, Janardhan, P., Rajasekhar, B. N., Bhardwaj, Anil, Mason, N. J. & Sivaraman, B., 2022, MNRAS, 517, 4845
3	Study of solar wind transients using IPS Ananthakrishnan, S., Tokumaru, M., Kojima, M., Balasubramanian, V., Janardhan, P., Manoharan, P. K. & Dryer, M., 1999, Solar Wind Nine (Editors: Habbal, Shadia Rifai, Esser, Ruth, Hollweg, Joseph V. & Isenberg, Philip A.), American Institute of Physics Conference Series, 471, p. 321
2	Radio and X-ray burst from PSR 0950+08 Deshpande, M. R., Vats, Hari Om, Chandra, Harish, Janardhan, P., Bobra, A. D. & Vyas, G. D., 1994, Astrophysics and Space Science, 218, 249
2	Post sunset equatorial spread-F at Kwajalein and interplanetary magnetic field Rastogi, R. G., Chandra, H., Janardhan, P., Reinisch, B. W. & Bisoi, Susanta Kumar, 2017, Advances in Space Research, 60, 1708
2	Quasar enhanced Alurkar, S. K., Sharma, A. K., Janardhan, P. & Bhonsle, R. V., 1989, Nature, 338, 211
1	Near-infrared monitoring and modeling of V1647 Ori in its ongoing 2008-2012 outburst phase Venkata Raman, Veeman, Anandarao, Boddapati G., Janardhan, Padmanabhan & Pandey, Rajesh, 2013, Research in Astronomy and Astrophysics, 13, 1107-1117
1	Interplanetary scintillation signatures in the inner heliosphere of the deepest solar minimum in the past 100 years Bisoi, Susanta Kumar & Janardhan, P., 2013, Solar and Astrophysical Dynamos and Magnetic Activity (Editors: Kosovichev, Alexander G., de Gouveia Dal Pino, Elisabete & Yan, Yihua), IAU Symposium, 294, p. 83
1	Fine Structure of the Solar Wind Turbulence Inferred from Simultaneous Radio Occultation Observations at Widely-Spaced Ground Stations Bird, M. K., Janardhan, P., Efimov, A. I., Samoznaev, L. N., Andreev, V. E., Chashei, I. V., Edenhofer, P., Plettemeier, D. & Wohlmuth, R., 2003, Solar Wind Ten (Editors: Velli, Marco, Bruno, Roberto, Malara, Francesco & Bucci, B.), American Institute of Physics Conference Series, 679, p. 465
1	Possible Contribution of a Solar Transient to Enhanced Scintillation of a Quasar Janardhan, P. & Alurkar, S. K., 1992, Earth Moon and Planets, 58, 31
1	Experimental and Computational Study of Ethanolamine Ices under Astrochemical Conditions Ramachandran, R., Sil, Milan, Gorai, Prasanta, Meka, J. K., Sundararajan, Pavithraa, Lo, J. -I., Chou, S. -L., Wu, Y. -J., Janardhan, P., Cheng, B. -M., Bhardwaj, Anil, Rivilla, Víctor M., Mason, N. J., Sivaraman, B. & Das, Ankan, 2024, ApJ, 975, 181
1	Multi-directional measurements of high energy particles from the Sun-Earth L1 point with STEPS Goyal, S. K., Shanmugam, M., Patel, A. R., Ladiya, T., Tiwari, Neeraj K., Banerjee, S. B., Vadawale, S. V., Janardhan, P., Chakrabarty, D., Srinivas, A. R., Shukla, P., Kumar, P., Subramanian, K. P., Bapat, B. & Adhyaru, P. R., 2016, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray (Editors: den Herder, Jan-Willem A., Takahashi, Tadayuki & Bautz, Marshall), Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series, 9905, p. 99054N
0	Aditya Solar Wind Particle Experiment on Board Aditya–L1: The Supra-Thermal and Energetic Particle Spectrometer Goyal, Shiv Kumar, Tiwari, Neeraj Kumar, Patel, Arpit R., Shanmugam, M., Vadawale, Santosh V., Chakrabarty, Dibyendu, Sebastian, Jacob, Dalal, Bijoy, Sharma, Piyush, Sarkar, Aveek, Sarda, Aaditya, Ladiya, Tinkal, Verma, Abhishek J., Singh, Nishant, Kumar, Sushil, Painkra, Deepak Kumar, Kumar, Prashant, Shah, Manan S., Adhyaru, Pranav R., Adalja, Hiteshkumar L., Banerjee, Swaroop B., Subramanian, K. P., Bapat, Bhas, Dadhania, M. B., Kumar, Abhishek, Janardhan, P. & Bhardwaj, Anil, 2025, Solar Physics, 300, 35
0	Long term trends in solar photospheric fields and solar wind turbulence levels: Implications to the near-Earth space Janardhan, P., Fujiki, K., Ingale, M., Bisoi, S. K. & Ananthakrishnan, S., 2018, Long-term Datasets for the Understanding of Solar and Stellar Magnetic Cycles (Editors: Banerjee, D., Jiang, J., Kusano, K. & Solanki, S.), IAU Symposium, 340, p. 121
0	Peculiar behavior of solar polar fields during solar cycles 21-23: Correlation with meridional flow speed Bisoi, Susanta Kumar & Janardhan, P., 2013, Solar and Astrophysical Dynamos and Magnetic Activity (Editors: Kosovichev, Alexander G., de Gouveia Dal Pino, Elisabete & Yan, Yihua), IAU Symposium, 294, p. 81
0	Observations of a geomagnetic SI+ - SI- pair and associated solar wind fluctuations Bisoi, Susanta Kumar & Janardhan, P., 2013, Solar and Astrophysical Dynamos and Magnetic Activity (Editors: Kosovichev, Alexander G., de Gouveia Dal Pino, Elisabete & Yan, Yihua), IAU Symposium, 294, p. 543
0	Aditya Solar Wind Particle Experiment (ASPEX) on Board Aditya—L1: The Solar Wind Ion Spectrometer (SWIS) Kumar, Prashant, Bapat, Bhas, Shah, Manan S., Adalja, Hiteshkumar L., Patel, Arpit R., Adhyaru, Pranav R., Shanmugam, M., Chakrabarty, Dibyendu, Banerjee, Swaroop B., Subramanian, K. P., Sarkar, Aveek, Ladiya, Tinkal, Sebastian, Jacob, Kumar, Abhishek, Kumar, Sushil, Singh, Nishant, Dadhania, M. B., Vadawale, Santosh V., Goyal, Shiv Kumar, Tiwari, Neeraj Kumar, Sarda, Aaditya, Painkra, Deepak Kumar, Sharma, Piyush, Verma, Abhishek J., Yogesh, Janardhan, P. & Bhardwaj, Anil, 2025, Solar Physics, 300, 37
0	Asymmetry in the periodicities of solar photospheric fields: A probe to the unusual solar minimum prior to cycle 24 Bisoi, Susanta Kumar & Janardhan, P., 2013, Solar and Astrophysical Dynamos and Magnetic Activity (Editors: Kosovichev, Alexander G., de Gouveia Dal Pino, Elisabete & Yan, Yihua), IAU Symposium, 294, p. 85