Zobrazeno 1 - 10 of 20 pro vyhledávání: '"T. E. Girish"'
1
On the nature of thin films of speculum metal
Autor: Sunila Abraham, T. E. Girish, E A Nazimudeen
Publikováno v: Materials Today Communications. 16:314-319
The invention of speculum metal must have been an achievement of considerable importance in the bronze-age world. In modern scientific world, it has some brilliant engineering applications apart from its archaeometallurgical importance. We report our
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::566f9f04d7c2550d0207225cee81860e
https://doi.org/10.1016/j.mtcomm.2018.07.005
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3
On the nature of IMF polarity dependent asymmetries in solar wind plasma properties during the minimum of sunspot cycles 23 and 24
Autor: T. E. Girish, B. Felix Pereira, Bijoy John Philip
Publikováno v: Journal of Atmospheric and Solar-Terrestrial Physics. 140:34-40
The monthly solar wind speed and density observed near 1 AU in IMF sectors of opposite magnetic polarity are studied during the minimum of sunspot cycles 23 and 24. During sunspot minima, the IMF is pointing away from the sun (Away sector) in the nor
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::181b3cf89251bcd6e98193e6abd880ff
https://doi.org/10.1016/j.jastp.2016.01.009
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4
On the Characteristics of Geomagnetic Storms Observed During the Past 415 Years
Autor: G. Gopkumar, V. G. Haritha, T. E. Girish, P. E. Eapen
Publikováno v: Proceedings of the International Astronomical Union. 13:153-154
In this paper we will present our investigations on the characteristics of geomagnetic storms deduced from direct and proxy observations for the years 1601–2016 AD. We show that we could infer epoch of reversal of solar polar magnetic fields from g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59690b7d62f71cb51c94585d54a3bcae
https://doi.org/10.1017/s1743921318001643
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5
Solar Activity Changes During Prolonged Sunspot Minima as Inferred from Indian Monsoon Rainfall Variations
Autor: T. E. Girish, S. Ambily, V. G. Haritha, C. Sunil Kumar Morais
Publikováno v: Proceedings of the International Astronomical Union. 13:209-210
We could find a new 5 year periodicity in the occurrences of peaks in sunspot activity and inferred deviations of annual Indian monsoon rainfall variations from the normal during the Maunder minimum (MM) period. This result is explained in terms of s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2be900c870647a3c788e5ccabe33c17d
https://doi.org/10.1017/s1743921318001631
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6
Inferring Stellar Activity Variations near Habitable Extrasolar Planets using Dynamical Effects
Autor: N. G. Nisha, Varnana Mohana Kumar, Thara Nalini Sathyan, S. Aranya, T. E. Girish
Publikováno v: Proceedings of the International Astronomical Union. 13:297-298
In this paper we have studied space weather conditions near 53 potentially habitable exoplanets reported in literature using available information on the chromoshperic activity of their host stars and nature of dynamical interactions possible in the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ec28005403c8bfb12d2da27fe0172d1
https://doi.org/10.1017/s1743921318001655
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7
Characteristics of Solar Proton Events Observed Near Earth and Stellar Activity Variations
Autor: N. G. Nisha, G. Gopkumar, S. Aranya, T. E. Girish
Publikováno v: Proceedings of the International Astronomical Union. 13:265-266
We could identify three categories of solar proton events (SPE) with distinct solar origin from an analysis of direct and indirect observations during the years 1561-2016 CE spanning 42 sunspot cycles. They are (i) 10 MeV SPE whose number of occurren
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::728449fd454b07df417590e6b9cfbc4b
https://doi.org/10.1017/s1743921318001667
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8
A study on the variations in long-range dependence of solar energetic particles during different solar cycles
Autor: T. E. Girish, Sumesh Gopinath, V. Vipindas
Publikováno v: Proceedings of the International Astronomical Union. 13:47-48
Solar Energetic Particles (SEPs) are high-energy particles ejected by the Sun which consist of protons, electrons and heavy ions having energies in the range of a few tens of keVs to several GeVs. The statistical features of the solar energetic parti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ec38bb0489105b25d557856e9c35ba23
https://doi.org/10.1017/s1743921318001692
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9
Periodicity analysis of galactic cosmic rays using Fourier, Hilbert, and higher-order spectral methods
Autor: T. E. Girish, V. Vipindas, Sumesh Gopinath
Publikováno v: Astrophysics and Space Science. 361
Galactic cosmic rays (GCRs) that traverse the heliosphere, in the energy range from several 100 MeV to a few GeV, are subjected to heliospheric modulation. GCRs interact with varying fields of the heliosphere to produce fluctuations in cosmic-ray int
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b44a6d9607a68b6c4b6a21f26390a448
https://doi.org/10.1007/s10509-016-2719-y
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10
Photovoltaic Power Resources on Mercury and Venus
Autor: T. E. Girish, S. Aranya
Publikováno v: Inner Solar System ISBN: 9783319195681
Proximity to the Sun and long night periods are distinct disadvantages for photovoltaic power generation on Mercury and Venus. However solar panels are providing uninterrupted power for the Messenger space craft (Mercury flyby) and Venus Express spac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea59affcb17ee9b83c9d186778de2ba6
https://doi.org/10.1007/978-3-319-19569-8_12
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