Search Results - "AKIYAMA, S."

CTAR®system, a hypoxia-induced and targeted anti-aging and repair system on human skin by Akiyama, S

“…The effective protection of skin cells and timely repair of damaged ones are of great significance for the maintenance of human skin's normal functions…”
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Estimation of Reconnection Flux Using Post-Eruption Arcades and Its Relevance to Magnetic Clouds at 1 AU by Gopalswamy, N., Yashiro, S., Akiyama, S., Xie, H.

“…We report on a new method to compute the flare reconnection (RC) flux from post-eruption arcades (PEAs) and the underlying photospheric magnetic fields. In…”
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Properties and geoeffectiveness of magnetic clouds during solar cycles 23 and 24 by Gopalswamy, N., Yashiro, S., Xie, H., Akiyama, S., Mäkelä, P.

“…We report on a study that compares the properties of magnetic clouds (MCs) during the first 73 months of solar cycles 23 and 24 in order to understand the weak…”
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THE 2012 JULY 23 BACKSIDE ERUPTION: AN EXTREME ENERGETIC PARTICLE EVENT? by Gopalswamy, N., Yashiro, S., Thakur, N., Mäkelä, P., Xie, H., Akiyama, S.

“…ABSTRACT The backside coronal mass ejection (CME) of 2012 July 23 had a short Sun-to-Earth shock transit time (18.5 hr). The associated solar energetic…”
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Properties of Ground Level Enhancement Events and the Associated Solar Eruptions During Solar Cycle 23 by Gopalswamy, N., Xie, H., Yashiro, S., Akiyama, S., Makela, P., Usokin, I. G.

“…Solar cycle 23 witnessed the most complete set of observations of coronal mass ejections (CMEs) associated with the Ground Level Enhancement (GLE) events. We…”
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The Structural Connection between Coronal Mass Ejection Flux Ropes near the Sun and at 1 au by Xie, H., Gopalswamy, N., Akiyama, S.

“…Abstract We have performed the first comprehensive statistical analysis comparing flux rope (FR) structures of coronal mass ejections (CMEs) near the Sun and…”
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The Common Origin of High-energy Protons in Solar Energetic Particle Events and Sustained Gamma-Ray Emission from the Sun by Gopalswamy, N., Yashiro, S., Mäkelä, P., Xie, H., Akiyama, S.

“…Abstract We report that the number of >500 MeV protons ( N g ) inferred from sustained gamma-ray emission (SGRE) from the Sun is significantly correlated with…”
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Long-term solar activity studies using microwave imaging observations and prediction for cycle 25 by Gopalswamy, N., Mӓkelӓ, P., Yashiro, S., Akiyama, S.

“…We use microwave imaging observations from the Nobeyama Radioheliograph at 17 GHz for long-term studies of solar activity. In particular, we use the polar and…”
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CME interactions with coronal holes and their interplanetary consequences by Gopalswamy, N., Mäkelä, P., Xie, H., Akiyama, S., Yashiro, S.

“…A significant number of interplanetary shocks (∼17%) during cycle 23 were not followed by drivers. The number of such “driverless” shocks steadily increased…”
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LARGE SOLAR ENERGETIC PARTICLE EVENTS ASSOCIATED WITH FILAMENT ERUPTIONS OUTSIDE ACTIVE REGIONS by Gopalswamy, N., Mäkelä, P., Akiyama, S., Yashiro, S., Xie, H., Thakur, N., Kahler, S. W.

“…ABSTRACT We report on four large filament eruptions (FEs) from solar cycles 23 and 24 that were associated with large solar energetic particle (SEP) events and…”
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Geoeffectiveness of halo coronal mass ejections by Gopalswamy, N., Yashiro, S., Akiyama, S.

“…We studied the geoeffectiveness, speed, solar source, and flare association of a set of 378 halo coronal mass ejections (CMEs) of cycle 23 (1996–2005,…”
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Properties of High-Frequency Type II Radio Bursts and Their Relation to the Associated Coronal Mass Ejections by Umuhire, A. C., Gopalswamy, N., Uwamahoro, J., Akiyama, S., Yashiro, S., Mäkelä, P.

“…Solar radio bursts are often early indicators of space weather events such as coronal mass ejections (CMEs). In this study, we determined the properties of a…”
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Source of Energetic Protons in the 2014 September 1 Sustained Gamma-ray Emission Event by Gopalswamy, N., Mäkelä, P., Yashiro, S., Akiyama, S., Xie, H., Thakur, N.

“…We report on the source of > 300 MeV protons during the SOL2014-09-01 sustained gamma-ray emission (SGRE) event based on multi-wavelength data from a wide…”
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What Is Unusual About the Third Largest Geomagnetic Storm of Solar Cycle 24? by Gopalswamy, N., Yashiro, S., Akiyama, S., Xie, H., Mäkelä, P., Fok, M.-C., Ferradas, C. P.

“…We report on the solar and interplanetary (IP) causes of the third largest geomagnetic storm (26 August 2018) in solar cycle 24. The underlying coronal mass…”
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KINEMATIC AND ENERGETIC PROPERTIES OF THE 2012 MARCH 12 POLAR CORONAL MASS EJECTION by Gopalswamy, N., Yashiro, S., Akiyama, S.

“…ABSTRACT We report on the energetics of the 2012 March 12 polar coronal mass ejection (CME) originating from a southern latitude of ∼60°. The polar CME is…”
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Different Power-Law Indices in the Frequency Distributions of Flares with and without Coronal Mass Ejections by Yashiro, S, Akiyama, S, Gopalswamy, N, Howard, R. A

“…We investigated the frequency distributions of flares with and without coronal mass ejections (CMEs) as a function of flare parameters (peak flux, fluence, and…”
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Visibility of coronal mass ejections as a function of flare location and intensity by Yashiro, S., Gopalswamy, N., Akiyama, S., Michalek, G., Howard, R. A.

“…We report the visibility (detection efficiency) of coronal mass ejections (CMEs) of the Large Angle Spectrometric Coronagraph (LASCO) on board the Solar and…”
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Geometrical Relationship Between Interplanetary Flux Ropes and Their Solar Sources by Marubashi, K., Akiyama, S., Yashiro, S., Gopalswamy, N., Cho, K.-S., Park, Y.-D.

“…We investigated the physical connection between interplanetary flux ropes (IFRs) near Earth and coronal mass ejections (CMEs) by comparing the magnetic field…”
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SOURCE REGIONS OF THE TYPE II RADIO BURST OBSERVED DURING A CME-CME INTERACTION ON 2013 MAY 22 by Mäkelä, P., Gopalswamy, N., Reiner, M. J., Akiyama, S., Krupar, V.

“…ABSTRACT We report on our study of radio source regions during the type II radio burst on 2013 May 22 based on direction-finding analysis of the Wind/WAVES and…”
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Colorimetric Fluoride Ion Sensing by Boron-Containing π-Electron Systems by Yamaguchi, Shigehiro, Akiyama, Seiji, Tamao, Kohei

“…The boron-containing π-conjugated systems, including tri(9-anthryl)borane (1) and tris[(10-dimesitylboryl)-9-anthryl]borane (2), have been investigated as a…”
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