Search Results - "Yashiro, Seiji"

A Statistical Analysis of Deflection of Coronal Mass Ejections in the Field of View of LASCO Coronagraphs by Michalek, Grzegorz, Gopalswamy, Nat, Yashiro, Seiji, Koleva, Kostadinka

“…Abstract Coronal mass ejections (CMEs) can generate the most severe geomagnetic disturbances. One of the most critical factors affecting a CME’s…”
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Spatial Relationship between CMEs and Prominence Eruptions during SC 24 and SC 25 by Koleva, Kostadinka, Gopalswamy, Nat, Devi, Pooja, Yashiro, Seiji, Michalek, Grzegorz

“…Abstract During their propagation, coronal mass ejections (CMEs) and prominences sometimes display a nonradial motion. During the years after the solar…”
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Anomalous expansion of coronal mass ejections during solar cycle 24 and its space weather implications by Gopalswamy, Nat, Akiyama, Sachiko, Yashiro, Seiji, Xie, Hong, Mäkelä, Pertti, Michalek, Grzegorz

“…The familiar correlation between the speed and angular width of coronal mass ejections (CMEs) is also found in solar cycle 24, but the regression line has a…”
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IMPLICATIONS OF MASS AND ENERGY LOSS DUE TO CORONAL MASS EJECTIONS ON MAGNETICALLY ACTIVE STARS by Drake, Jeremy J, Cohen, Ofer, Yashiro, Seiji, Gopalswamy, Nat

“…Analysis of a database of solar coronal mass ejections (CMEs) and associated flares over the period 1996-2007 finds well-behaved power-law relationships…”
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Deflection and Rotation of CMEs from Active Region 11158 by Kay, Christina, Gopalswamy, Nat, Xie, Hong, Yashiro, Seiji

“…Between 13 and 16 February 2011, a series of coronal mass ejections (CMEs) erupted from multiple polarity inversion lines within active region 11158. For seven…”
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Speed and Acceleration of Coronal Mass Ejections Associated with Sustained Gamma-Ray Emission Events Observed by Fermi/LAT by Mäkelä, Pertti, Gopalswamy, Nat, Akiyama, Sachiko, Xie, Hong, Yashiro, Seiji

“…Abstract The sustained gamma-ray emission (SGRE) from the Sun is a prolonged enhancement of >100 MeV gamma-ray emission that extends beyond the flare impulsive…”
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What Do Halo CMEs Tell Us about Solar Cycle 25? by Gopalswamy, Nat, Michalek, Grzegorz, Yashiro, Seiji, Mäkelä, Pertti, Akiyama, Sachiko, Xie, Hong

“…It is known that the weak state of the heliosphere due to diminished solar activity in cycle 24 backreacted on coronal mass ejections (CMEs) to make them…”
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Solar Energetic Particle Events with Short and Long Onset Times by Kihara, Kosuke, Asai, Ayumi, Yashiro, Seiji, Nitta, Nariaki V.

“…Abstract Gradual solar energetic particle (SEP) events, usually attributed to shock waves driven by coronal mass ejections (CMEs), show a wide variety of…”
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Rotation of a Stealth CME on 2012 October 5 Observed in the Inner Heliosphere by Kumar, Sandeep, Hegde, Dinesha V., Srivastava, Nandita, Pogorelov, Nikolai V., Gopalswamy, Nat, Yashiro, Seiji

“…Abstract Coronal mass ejections (CMEs) are subject to changes in their direction of propagation, tilt, and other properties. This is because CMEs interact with…”
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Statistical Analysis of the Relation between Coronal Mass Ejections and Solar Energetic Particles by Kihara, Kosuke, Huang, Yuwei, Nishimura, Nobuhiko, Nitta, Nariaki V., Yashiro, Seiji, Ichimoto, Kiyoshi, Asai, Ayumi

“…To improve the forecasting capability of impactful solar energetic particle (SEP) events, the relation between coronal mass ejections (CMEs) and SEP events…”
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Major Solar Eruptions and High-Energy Particle Events During Solar Cycle 24 by Gopalswamy, Nat, Xie, Hong, Akiyama, Sachiko, Makela, Pertti A, Yashiro, Seiji

“…We report on a study of all major solar eruptions that occurred on the frontside of the Sun during the rise to peak phase of cycle 24 (first 62 months) in…”
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A Sun-to-Earth Analysis of Magnetic Helicity of the 2013 March 17-18 Interplanetary Coronal Mass Ejection by Pal, Sanchita, Gopalswamy, Nat, Nandy, Dibyendu, Akiyama, Sachiko, Yashiro, Seiji, Makela, Pertti, Xie, Hong

“…We compare the magnetic helicity in the 2013 March 17-18 interplanetary coronal mass ejection (ICME) flux rope at 1 au and in its solar counterpart. The…”
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Unusual enhancement of ~ 30 MeV proton flux in an ICME sheath region by Oka, Mitsuo, Obara, Takahiro, Nitta, Nariaki V., Yashiro, Seiji, Shiota, Daikou, Ichimoto, Kiyoshi

“…In gradual Solar Energetic Particle (SEP) events, shock waves driven by coronal mass ejections (CMEs) play a major role in accelerating particles, and the…”
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Obscuration of Flare Emission by an Eruptive Prominence by Gopalswamy, Nat, Yashiro, Seiji

“…We report on the eclipsing of microwave flare emission by an eruptive prominence from a neighboring region as observed by the Nobeyama Radioheliograph at 17…”
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The Relation Between Large-Scale Coronal Propagating Fronts and Type II Radio Bursts by Nitta, Nariaki V., Liu, Wei, Gopalswamy, Nat, Yashiro, Seiji

“…Large-scale, wave-like disturbances in extreme-ultraviolet (EUV) and type II radio bursts are often associated with coronal mass ejections (CMEs). Both…”
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PSTEP: project for solar–terrestrial environment prediction by Kusano, Kanya, Ichimoto, Kiyoshi, Ishii, Mamoru, Miyoshi, Yoshizumi, Yoden, Shigeo, Akiyoshi, Hideharu, Asai, Ayumi, Ebihara, Yusuke, Fujiwara, Hitoshi, Goto, Tada-Nori, Hanaoka, Yoichiro, Hayakawa, Hisashi, Hosokawa, Keisuke, Hotta, Hideyuki, Hozumi, Kornyanat, Imada, Shinsuke, Iwai, Kazumasa, Iyemori, Toshihiko, Jin, Hidekatsu, Kataoka, Ryuho, Katoh, Yuto, Kikuchi, Takashi, Kubo, Yûki, Kurita, Satoshi, Matsumoto, Haruhisa, Mitani, Takefumi, Miyahara, Hiroko, Miyoshi, Yasunobu, Nagatsuma, Tsutomu, Nakamizo, Aoi, Nakamura, Satoko, Nakata, Hiroyuki, Nishizuka, Naoto, Otsuka, Yuichi, Saito, Shinji, Saito, Susumu, Sakurai, Takashi, Sato, Tatsuhiko, Shimizu, Toshifumi, Shinagawa, Hiroyuki, Shiokawa, Kazuo, Shiota, Daikou, Takashima, Takeshi, Tao, Chihiro, Toriumi, Shin, Ueno, Satoru, Watanabe, Kyoko, Watari, Shinichi, Yashiro, Seiji, Yoshida, Kohei, Yoshikawa, Akimasa

“…Although solar activity may significantly impact the global environment and socioeconomic systems, the mechanisms for solar eruptions and the subsequent…”
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Predicting the 1-AU arrival times of coronal mass ejections by Gopalswamy, Nat, Lara, Alejandro, Yashiro, Seiji, Kaiser, Mike L., Howard, Russell A.

“…We describe an empirical model to predict the 1‐AU arrival of coronal mass ejections (CMEs). This model is based on an effective interplanetary (IP)…”
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A Study of Coronal Holes Observed by SOHO/EIT and the Nobeyama Radioheliograph by Akiyama, Sachiko, Gopalswamy, Nat, Yashiro, Seiji, Mäkelä, Pertti

“…Coronal holes (CHs) are areas of reduced emission in EUV and X-ray images that show bright patches of microwave enhancements (MEs) related to magnetic network…”
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Characteristics of Magnetic Clouds and Interplanetary Coronal Mass Ejections which Cause Intense Geomagnetic Storms by Wu, Chin-Chun, Gopalswamy, Natchimuthuk, Lepping, Ronld Paul, Yashiro, Seiji

“…We present the results of a statistical data analysis of the geo-effectiveness of non-magnetic-cloud interplanetary coronal mass ejections (ICMEs) and compare…”
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Relation between a Moreton Wave and an EIT Wave Observed on 1997 November 4 by Eto, Shigeru, Isobe, Hiroaki, Narukage, Noriyuki, Asai, Ayumi, Morimoto, Taro, Thompson, Barbara, Yashiro, Seiji, Wang, Tongjiang, Kitai, Reizaburo, Kurokawa, Hiroki, Shibata, Kazunari

“…We consider the relationship between two flare-associated waves, a chromospheric Moreton wave and a coronal EIT wave, based on an analysis of an X-class flare…”
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