Search Results - "Manoharan, P.K."

CME propagation through the heliosphere: Status and future of observations and model development by Temmer, Manuela, Scolini, Camilla, Richardson, Ian G., Heinemann, Stephan G., Paouris, Evangelos, Vourlidas, Angelos, Bisi, Mario M., Al-Haddad, N., Amerstorfer, T., Barnard, L., Burešová, D., Hofmeister, S.J., Iwai, K., Jackson, B.V., Jarolim, R., Jian, L.K., Linker, J.A., Lugaz, N., Manoharan, P.K., Mays, M.L., Mishra, W., Owens, M.J., Palmerio, E., Perri, B., Pomoell, J., Pinto, R.F., Samara, E., Singh, T., Sur, D., Verbeke, C., Veronig, A.M., Zhuang, B.

“…The ISWAT (International Space Weather Action Teams) heliosphere clusters H1 and H2 have a focus on interplanetary space and its characteristics, especially on…”
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Height of shock formation in the solar corona inferred from observations of type II radio bursts and coronal mass ejections by Gopalswamy, N., Xie, H., Mäkelä, P., Yashiro, S., Akiyama, S., Uddin, W., Srivastava, A.K., Joshi, N.C., Chandra, R., Manoharan, P.K., Mahalakshmi, K., Dwivedi, V.C., Jain, R., Awasthi, A.K., Nitta, N.V., Aschwanden, M.J., Choudhary, D.P.

“…Employing coronagraphic and EUV observations close to the solar surface made by the Solar Terrestrial Relations Observatory (STEREO) mission, we determined the…”
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Coronal mass ejections—Propagation time and associated internal energy by Manoharan, P.K., Mujiber Rahman, A.

“…In this paper, we analyze 91 coronal mass ejection (CME) events studied by Manoharan et al. (2004) and Gopalswamy and Xie (2008). These earth-directed CMEs are…”
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A multiwavelength study of eruptive events on January 23, 2012 associated with a major solar energetic particle event by Joshi, N.C., Uddin, W., Srivastava, A.K., Chandra, R., Gopalswamy, N., Manoharan, P.K., Aschwanden, M.J., Choudhary, D.P., Jain, R., Nitta, N.V., Xie, H., Yashiro, S., Akiyama, S., Mäkelä, P., Kayshap, P., Awasthi, A.K., Dwivedi, V.C., Mahalakshmi, K.

“…We use multiwavelength data from space and ground based instruments to study the solar flares and coronal mass ejections (CMEs) on January 23, 2012 that were…”
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Solar energetic particle events during the rise phases of solar cycles 23 and 24 by Chandra, R., Gopalswamy, N., Mäkelä, P., Xie, H., Yashiro, S., Akiyama, S., Uddin, W., Srivastava, A.K., Joshi, N.C., Jain, R., Awasthi, A.K., Manoharan, P.K., Mahalakshmi, K., Dwivedi, V.C., Choudhary, D.P., Nitta, N.V.

“…We present a comparative study of the properties of coronal mass ejections (CMEs) and flares associated with the solar energetic particle (SEP) events in the…”
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Flux emergence, flux imbalance, magnetic free energy and solar flares by Choudhary, Debi Prasad, Gosain, Sanjay, Gopalswamy, Nat, Manoharan, P.K., Chandra, R., Uddin, W., Srivastava, A.K., Yashiro, S., Joshi, N.C., Kayshap, P., Dwivedi, V.C., Mahalakshmi, K., Elamathi, E., Norris, Max, Awasthi, A.K., Jain, R.

“…Emergence of complex magnetic flux in the solar active regions lead to several observational effects such as a change in sunspot area and flux embalance in…”
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An empirical model to predict the 1-AU arrival of interplanetary shocks by Gopalswamy, N., Lara, A., Manoharan, P.K., Howard, R.A.

“…We extend the empirical coronal mass ejection (CME) arrival model of Gopalswamy et al. [Gopalswamy, N. et al. Predicting the 1-AU arrival times of coronal mass…”
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Homologous flare–CME events and their metric type II radio burst association by Yashiro, S., Gopalswamy, N., Mäkelä, P., Akiyama, S., Uddin, W., Srivastava, A.K., Joshi, N.C., Chandra, R., Manoharan, P.K., Mahalakshmi, K., Dwivedi, V.C., Jain, R., Awasthi, A.K., Nitta, N.V., Aschwanden, M.J., Choudhary, D.P.

“…Active region NOAA 11158 produced many flares during its disk passage. At least two of these flares can be considered as homologous: the C6.6 flare at 06:51UT…”
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An overview of CAWSES-India program with emphasis to equatorial atmospheric coupling processes by Rao, P.B., Beig, G., Dabas, R.S., Ramkumar, Geetha, Gurubaran, S., Rao, Kusuma G., Manoharan, P.K., Patra, A.K., Ravindran, Sudha, Pant, Tarun K., Venkat Ratnam, M., Chakravarty, S.C., Sridharan, R.

“…This paper presents an overview of CAWSES—India program, highlighting some of the Indian coordinated efforts to understand the Sun−Earth system as a whole,…”
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Actors of the main activity in large complex centres during the 23 solar cycle maximum by Schmieder, B., Démoulin, P., Pariat, E., Török, T., Molodij, G., Mandrini, C.H., Dasso, S., Chandra, R., Uddin, W., Kumar, P., Manoharan, P.K., Venkatakrishnan, P., Srivastava, N.

“…During the maximum of Solar Cycle 23, large active regions had a long life, spanning several solar rotations, and produced large numbers of X-class flares and…”
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Simulations and tests of Source tracking using Goniopolarimetry method by Roy, Jayashree, Joshi, Bhal Chandra, Manoharan, P.K.

“…The goniopolarimetry algorithm allows simultaneous direction finding and polarization measurement of incoming radio sources. In our case, we have done…”
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Multi-wavelength study of a coronal mass ejection: a flare event from AR#9393 by Manoharan, P.K., Kundu, M.R.

“…The active region, AR#9393, produced a number of intense flares during March–April 2001. In this paper, we report the analysis of an X1.1 flare event of April…”
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Study of CME transit speeds for the event of 07-NOV-2004 by Culhane, J.L., Pohjolainen, S., van Driel-Gesztelyi, L., Manoharan, P.K., Elliott, H.A.

“…Several methods for CME speed estimation are discussed. These include velocity derivation based on the frequency drifts observed in metric and decametric radio…”
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Initiation of CMEs: the role of magnetic twist by van Driel-Gesztelyi, L., Manoharan, P.K., Démoulin, P., Aulanier, G., Mandrini, C.H., Lopez-Fuentes, M., Schmieder, B., Orlando, S., Thompson, B., Plunkett, S.

“…Recent multiwavelength observations, modelling results and theoretical developments indicate the importance of twisted magnetic configurations in solar active…”
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Initial results from the Madurai solar radio spectrograph by Shanmugaraju, A, Umapathy, S, Balasubramanian, V, Selvanayagam, A J, Manoharan, P K

“…A new digital radio spectrograph, the Madurai Solar Radio Spectrograph (MSRS), has been constructed at Madurai Kamaraj University, Madurai, India, and is being…”
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Reorganization of the solar corona following a C4.7 flare by van Driel-Gesztelyi, L, Manoharan, P.K, Pick, M, Démoulin, P.P

“…Yohkoh X-ray images, multifrequency two-dimentional observations of the Nancay Radioheliograph, Kitt Peak and Mees magnetograms provide a unique set of data…”
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