Search Results - "Zaqarashvili, Teimuraz V"

Tidally Forced Planetary Waves in the Tachocline of Solar-like Stars by Horstmann, Gerrit M., Mamatsashvili, George, Giesecke, André, Zaqarashvili, Teimuraz V., Stefani, Frank

“…Can atmospheric waves in planet-hosting solar-like stars substantially resonate to tidal forcing, perhaps at a level of impacting the space weather or even…”
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Association between Tornadoes and Instability of Hosting Prominences by Mghebrishvili, Irakli, Zaqarashvili, Teimuraz V., Kukhianidze, Vasil, Kuridze, David, Tsiklauri, David, Shergelashvili, Bidzina M., Poedts, Stefaan

“…We studied the dynamics of all prominence tornadoes detected by the Solar Dynamics Observatory/Atmospheric Imaging Assembly from 2011 January 01 to December…”
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Variability of solar/stellar activity and magnetic field and its influence on planetary atmosphere evolution by Lammer, Helmut, Güdel, Manuel, Kulikov, Yuri, Ribas, Ignasi, Zaqarashvili, Teimuraz V., Khodachenko, Maxim L., Kislyakova, Kristina G., Gröller, Hannes, Odert, Petra, Leitzinger, Martin, Fichtinger, Bibiana, Krauss, Sandro, Hausleitner, Walter, Holmström, Mats, Sanz-Forcada, Jorge, Lichtenegger, Herbert I. M., Hanslmeier, Arnold, Shematovich, Valery I., Bisikalo, Dmitry, Rauer, Heike, Fridlund, Malcolm

“…It is shown that the evolution of planetary atmospheres can only be understood if one recognizes the fact that the radiation and particle environment of the…”
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Alfvén wave dissipation in the solar chromosphere by Grant, Samuel D. T., Jess, David B., Zaqarashvili, Teimuraz V., Beck, Christian, Socas-Navarro, Hector, Aschwanden, Markus J., Keys, Peter H., Christian, Damian J., Houston, Scott J., Hewitt, Rebecca L.

“…Magnetohydrodynamic Alfvén waves 1 have been a focus of laboratory plasma physics 2 and astrophysics 3 for over half a century. Their unique nature makes them…”
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Physics of Magnetohydrodynamic Rossby Waves in the Sun by Dikpati, Mausumi, Gilman, Peter A., Chatterjee, Subhamoy, McIntosh, Scott W., Zaqarashvili, Teimuraz V.

“…Evidence of the existence of hydrodynamic and MHD Rossby waves in the Sun is accumulating rapidly. We employ an MHD Rossby wave model for the Sun in simplified…”
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North-South Asymmetry in Rieger-type Periodicity during Solar Cycles 19-23 by Gurgenashvili, Eka, Zaqarashvili, Teimuraz V., Kukhianidze, Vasil, Oliver, Ramon, Ballester, Jose Luis, Dikpati, Mausumi, McIntosh, Scott W.

“…Rieger-type periodicity has been detected in different activity indices over many solar cycles. It was recently shown that the periodicity correlates with…”
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RIEGER-TYPE PERIODICITY DURING SOLAR CYCLES 14-24: ESTIMATION OF DYNAMO MAGNETIC FIELD STRENGTH IN THE SOLAR INTERIOR by Gurgenashvili, Eka, Zaqarashvili, Teimuraz V., Kukhianidze, Vasil, Oliver, Ramon, Ballester, Jose Luis, Ramishvili, Giorgi, Shergelashvili, Bidzina, Hanslmeier, Arnold, Poedts, Stefaan

“…ABSTRACT Solar activity undergoes a variation over timescales of several months known as Rieger-type periodicity, which usually occurs near maxima of sunspot…”
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Equatorially trapped Rossby waves in radiative stars by Albekioni, Mariam, Zaqarashvili, Teimuraz V., Kukhianidze, Vasil, Gurgenashvili, Eka, Bourdin, Philippe

“…Observations by recent space missions reported the detection of Rossby waves (r‐modes) in light curves of many stars (mostly A, B, and F spectral types) with…”
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STABILITY OF ROTATING MAGNETIZED JETS IN THE SOLAR ATMOSPHERE. I. KELVIN-HELMHOLTZ INSTABILITY by Zaqarashvili, Teimuraz V., Zhelyazkov, Ivan, Ofman, Leon

“…ABSTRACT Observations show various jets in the solar atmosphere with significant rotational motions, which may undergo instabilities leading to heat ambient…”
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Magneto-Rossby Waves in the Solar Tachocline and the Annual Variations in Solar Activity by Gachechiladze, Tamar, Zaqarashvili, Teimuraz V., Gurgenashvili, Eka, Ramishvili, Giorgi, Carbonell, Marc, Oliver, Ramon, Ballester, Jose Luis

“…Annual oscillations have been detected in many indices of solar activity during many cycles. Recent multi-spacecraft observations of coronal bright points…”
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Simulating Solar Near-surface Rossby Waves by Inverse Cascade from Supergranule Energy by Dikpati, Mausumi, Gilman, Peter A., Guerrero, Gustavo A., Kosovichev, Alexander G., McIntosh, Scott W., Sreenivasan, Katepalli. R., Warnecke, Jörn, Zaqarashvili, Teimuraz V.

“…Rossby waves are found at several levels in the Sun, most recently in its supergranule layer. We show that Rossby waves in the supergranule layer can be…”
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Magnetic Rossby Waves in the Solar Tachocline and Rieger-Type Periodicities by Zaqarashvili, Teimuraz V, Carbonell, Marc, Oliver, Ramón, Ballester, José Luis

“…Apart from the eleven-year solar cycle, another periodicity around 155-160 days was discovered during solar cycle 21 in high-energy solar flares, and its…”
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Magneto-Rossby Waves and Seismology of Solar Interior by Zaqarashvili, Teimuraz V., Gurgenashvili, Eka

“…Eleven-year Schwabe cycle in solar activity is not yet fully understood despite of its almost two century discovery. It is generally interpreted as owing to…”
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A new class of discontinuous solar wind solutions by Shergelashvili, Bidzina M, Melnik, Velentin N, Dididze, Grigol, Fichtner, Horst, Brenn, Günter, Poedts, Stefaan, Foysi, Holger, Khodachenko, Maxim L, Zaqarashvili, Teimuraz V

“…ABSTRACT A new class of one-dimensional solar wind models is developed within the general polytropic, single-fluid hydrodynamic framework. The particular case…”
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Erratum: "Magneto-Rossby Waves in the Solar Tachocline and the Annual Variations in Solar Activity" (2019, ApJ, 874, 162) by Gachechiladze, Tamar, Zaqarashvili, Teimuraz V., Gurgenashvili, Eka, Ramishvili, Giorgi, Carbonell, Marc, Oliver, Ramon, Ballester, Jose Luis

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DYNAMICS OF A SOLAR PROMINENCE TORNADO OBSERVED BY SDO/AIA ON 2012 NOVEMBER 7-8 by Mghebrishvili, Irakli, Zaqarashvili, Teimuraz V., Kukhianidze, Vasil, Ramishvili, Giorgi, Shergelashvili, Bidzina, Veronig, Astrid, Poedts, Stefaan

“…ABSTRACT We study the detailed dynamics of a solar prominence tornado using time series of 171, 304, 193, and 211 spectral lines obtained by the Solar Dynamics…”
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Confined pseudo-shocks as an energy source for the active solar corona by Srivastava, Abhishek Kumar, Murawski, Krzysztof, Kuźma, Blażej, Wójcik, Dariusz Patryk, Zaqarashvili, Teimuraz V., Stangalini, Marco, Musielak, Zdzislaw E., Doyle, John Gerard, Kayshap, Pradeep, Dwivedi, Bhola N.

“…The Sun’s active corona requires an energy flux of ~10 3  W m −2 to compensate for radiative losses and to maintain its high temperature 1 . Plasma moves in…”
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On a Possible Generation Mechanism for the Solar Cycle by Zaqarashvili, Teimuraz V

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Amplification of compressional magnetohydrodynamic waves in systems with forced entropy oscillations by Shergelashvili, Bidzina M, Maes, Christian, Poedts, Stefaan, Zaqarashvili, Teimuraz V

“…The propagation of compressional MHD waves is studied for an externally driven system. It is assumed that the combined action of the external sources and sinks…”
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QUASI-BIENNIAL OSCILLATIONS IN THE SOLAR TACHOCLINE CAUSED BY MAGNETIC ROSSBY WAVE INSTABILITIES by ZAQARASHVILI, Teimuraz V, CARBONELL, Marc, OLIVER, Ramón, BALLESTER, José Luis

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