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3. Space science

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  1. Content type: Frontier letter

    High-latitude, small-scale plasma density irregularities are observed by the Advanced Land Observation Satellite 2, Phase Array type L-band Synthetic Aperture Radar-2 and the European Incoherent Scatter radar ...

    Authors: Hiroatsu Sato, Jun Su Kim, Norbert Jakowski and Ingemar Häggström

    Citation: Earth, Planets and Space 2018 70:163

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  2. Content type: Full paper

    The St. Patrick’s Day geomagnetic storm on March 17, 2015, has been chosen by the space community for synergetic analysis to build a more comprehensive picture of the storm’s origin and evolution. This storm h...

    Authors: Olga V. Kozyreva, Vyacheslav A. Pilipenko, Vladimir B. Belakhovsky and Yaroslav A. Sakharov

    Citation: Earth, Planets and Space 2018 70:157

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  3. Content type: Full paper

    Analysis of 163 isolated substorms showed that their intensity quantified as a maximum absolute value of the AL index increases with an increase in the velocity and number density of the solar wind plasma and ...

    Authors: Vyacheslav Georgievich Vorobjev, Elizaveta Evgenievna Antonova and Oksana Ivanovna Yagodkina

    Citation: Earth, Planets and Space 2018 70:148

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  4. Content type: Full paper

    The extremely high-energy electron experiment (XEP) onboard the Arase (ERG) satellite is designed to measure high-energy electrons in the Earth’s radiation belts. The XEP was developed by taking advantage of o...

    Authors: Nana Higashio, Takeshi Takashima, Iku Shinohara and Haruhisa Matsumoto

    Citation: Earth, Planets and Space 2018 70:134

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  5. Content type: Full paper

    We have analyzed the role of auroral processes in the formation of the outer radiation belt, considering that the main part of the auroral oval maps to the outer part of the ring current, instead of the plasma...

    Authors: Elizaveta E. Antonova, Marina V. Stepanova, Pablo S. Moya, Victor A. Pinto, Vadim V. Vovchenko, Ilya L. Ovchinnikov and Nikita V. Sotnikov

    Citation: Earth, Planets and Space 2018 70:127

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  6. Content type: Full paper

    The global dynamics of substorms are controlled by several key magnetospheric parameters. In this work we obtain quantitative measures of these parameters from a low-order nonlinear model of the nightside magn...

    Authors: Edmund Spencer, Sai Krishna Vadepu, Pavithra Srinivas, Swadesh Patra and Wendell Horton

    Citation: Earth, Planets and Space 2018 70:118

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  7. Content type: Full paper

    The Exploration of energization and Radiation in Geospace (ERG) project explores the acceleration, transport, and loss of relativistic electrons in the radiation belts and the dynamics for geospace storms. Thi...

    Authors: Yoshizumi Miyoshi, Iku Shinohara, Takeshi Takashima, Kazushi Asamura, Nana Higashio, Takefumi Mitani, Satoshi Kasahara, Shoichiro Yokota, Yoichi Kazama, Shiang-Yu Wang, Sunny W. Y. Tam, Paul T. P. Ho, Yoshiya Kasahara, Yasumasa Kasaba, Satoshi Yagitani, Ayako Matsuoka…

    Citation: Earth, Planets and Space 2018 70:101

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  8. Content type: Full paper

    The exploration of energization and radiation in geospace (ERG) satellite, nicknamed “Arase,” is the second satellite in a series of small scientific satellites created by the Institute of Space and Astronauti...

    Authors: Yosuke Nakamura, Seisuke Fukuda, Yasuko Shibano, Hiroyuki Ogawa, Shin-ichiro Sakai, Shigehito Shimizu, Ersin Soken, Yu Miyazawa, Hiroyuki Toyota, Akio Kukita, Yusuke Maru, Junichi Nakatsuka, Tomohiko Sakai, Shinsuke Takeuchi, Kenichiro Maki, Makoto Mita…

    Citation: Earth, Planets and Space 2018 70:102

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  9. Content type: Technical report

    The Exploration of energization and Radiation in Geospace (ERG) Science Center serves as a hub of the ERG project, providing data files in a common format and developing the space physics environment data anal...

    Authors: Yoshizumi Miyoshi, Tomoaki Hori, Masafumi Shoji, Mariko Teramoto, T. F. Chang, Tomonori Segawa, Norio Umemura, Shoya Matsuda, Satoshi Kurita, Kunihiro Keika, Yukinaga Miyashita, Kanako Seki, Yoshimasa Tanaka, Nozomu Nishitani, Satoshi Kasahara, Shoichiro Yokota…

    Citation: Earth, Planets and Space 2018 70:96

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  10. Content type: Full paper

    A satellite placed in space is constantly affected by the space environment, resulting in various impacts from temporary faults to permanent failures depending on factors such as satellite orbit, solar and geo...

    Authors: Nizam Ahmad, Dhani Herdiwijaya, Thomas Djamaluddin, Hideyuki Usui and Yohei Miyake

    Citation: Earth, Planets and Space 2018 70:91

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  11. Content type: Full paper

    The Exploration of energization and Radiation in Geospace (ERG) project aims to study acceleration and loss mechanisms of relativistic electrons around the Earth. The Arase (ERG) satellite was launched on Dece...

    Authors: Yoshiya Kasahara, Yasumasa Kasaba, Hirotsugu Kojima, Satoshi Yagitani, Keigo Ishisaka, Atsushi Kumamoto, Fuminori Tsuchiya, Mitsunori Ozaki, Shoya Matsuda, Tomohiko Imachi, Yoshizumi Miyoshi, Mitsuru Hikishima, Yuto Katoh, Mamoru Ota, Masafumi Shoji, Ayako Matsuoka…

    Citation: Earth, Planets and Space 2018 70:86

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  12. Content type: Full paper

    The High Frequency Analyzer (HFA) is a subsystem of the Plasma Wave Experiment onboard the Arase (ERG) spacecraft. The main purposes of the HFA include (1) determining the electron number density around the sp...

    Authors: Atsushi Kumamoto, Fuminori Tsuchiya, Yoshiya Kasahara, Yasumasa Kasaba, Hirotsugu Kojima, Satoshi Yagitani, Keigo Ishisaka, Tomohiko Imachi, Mitsunori Ozaki, Shoya Matsuda, Masafumi Shoji, Aayako Matsuoka, Yuto Katoh, Yoshizumi Miyoshi and Takahiro Obara

    Citation: Earth, Planets and Space 2018 70:82

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  13. Content type: Full paper

    Bright auroral emissions during geomagnetic storms provide a good opportunity for testing the proposal that substorm onset is frequently triggered by plasma sheet flow bursts that are manifested in the ionosph...

    Authors: Larry R. Lyons, Ying Zou, Yukitoshi Nishimura, Bea Gallardo-Lacourt, Vassilis Angelopulos and Eric F. Donovan

    Citation: Earth, Planets and Space 2018 70:81

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  14. Content type: Full paper

    The software-type wave–particle interaction analyzer (S-WPIA) is an instrument package onboard the Arase satellite, which studies the magnetosphere. The S-WPIA represents a new method for directly observing wa...

    Authors: Mitsuru Hikishima, Hirotsugu Kojima, Yuto Katoh, Yoshiya Kasahara, Satoshi Kasahara, Takefumi Mitani, Nana Higashio, Ayako Matsuoka, Yoshizumi Miyoshi, Kazushi Asamura, Takeshi Takashima, Shoichiro Yokota, Masahiro Kitahara and Shoya Matsuda

    Citation: Earth, Planets and Space 2018 70:80

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  15. Content type: Full paper

    This paper reports the design, calibration, and operation of high-energy electron experiments (HEP) aboard the exploration of energization and radiation in geospace (ERG) satellite. HEP detects 70 keV–2 MeV el...

    Authors: Takefumi Mitani, Takeshi Takashima, Satoshi Kasahara, Wataru Miyake and Masafumi Hirahara

    Citation: Earth, Planets and Space 2018 70:77

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  16. Content type: Full paper

    This paper presents detailed performance values of the Magnetic Search Coil (MSC) that is part of the Plasma Wave Experiment on board the Arase (ERG) satellite. The MSC consists of a three-axis search coil mag...

    Authors: Mitsunori Ozaki, Satoshi Yagitani, Yoshiya Kasahara, Hirotsugu Kojima, Yasumasa Kasaba, Atsushi Kumamoto, Fuminori Tsuchiya, Shoya Matsuda, Ayako Matsuoka, Takashi Sasaki and Takahiro Yumoto

    Citation: Earth, Planets and Space 2018 70:76

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  17. Content type: Full paper

    Substorm onset has originally been defined as a longitudinally extended sudden auroral brightening (Akasofu initial brightening: AIB) followed a few minutes later by an auroral poleward expansion in ground-bas...

    Authors: Akimasa Ieda, Kirsti Kauristie, Yukitoshi Nishimura, Yukinaga Miyashita, Harald U. Frey, Liisa Juusola, Daniel Whiter, Masahito Nosé, Matthew O. Fillingim, Farideh Honary, Neil C. Rogers, Yoshizumi Miyoshi, Tsubasa Miura, Takahiro Kawashima and Shinobu Machida

    Citation: Earth, Planets and Space 2018 70:73

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  18. Content type: Full paper

    We developed the onboard processing software for the Plasma Wave Experiment (PWE) onboard the Exploration of energization and Radiation in Geospace, Arase satellite. The PWE instrument has three receivers: El...

    Authors: Shoya Matsuda, Yoshiya Kasahara, Hirotsugu Kojima, Yasumasa Kasaba, Satoshi Yagitani, Mitsunori Ozaki, Tomohiko Imachi, Keigo Ishisaka, Atsushi Kumamoto, Fuminori Tsuchiya, Mamoru Ota, Satoshi Kurita, Yoshizumi Miyoshi, Mitsuru Hikishima, Ayako Matsuoka and Iku Shinohara

    Citation: Earth, Planets and Space 2018 70:75

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  19. Content type: Full paper

    Arase is a small scientific satellite program conducted by the Institute of Space and Astronautical Science/Japan Aerospace Exploration Agency, which is dedicated to the detailed study of the radiation belts a...

    Authors: Takeshi Takashima, Emiko Ogawa, Kazushi Asamura and Mitsuru Hikishima

    Citation: Earth, Planets and Space 2018 70:71

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  20. Content type: Full paper

    The medium-energy particle experiments—electron analyzer onboard the exploration of energization and radiation in geospace spacecraft measures the energy and direction of each incoming electron in the energy r...

    Authors: Satoshi Kasahara, Shoichiro Yokota, Takefumi Mitani, Kazushi Asamura, Masafumi Hirahara, Yasuko Shibano and Takeshi Takashima

    Citation: Earth, Planets and Space 2018 70:69

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  21. Content type: Full paper

    Ionospheric irregularities are an important phenomenon in scientific studies and applications of radio-wave propagation. Spread-F echoes in ionograms are a type of high-frequency band irregularities that inclu...

    Authors: Ning Wang, Lixin Guo, Zhenwei Zhao, Zonghua Ding and Leke Lin

    Citation: Earth, Planets and Space 2018 70:59

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  22. Content type: Full paper

    We studied ionospheric irregularities caused by midlatitude sporadic-E (Es) in Japan using ionospheric total electron content (TEC) data from a dense GNSS array, GEONET, with a 3D (three-dimensional) tomography t...

    Authors: Ihsan Naufal Muafiry, Kosuke Heki and Jun Maeda

    Citation: Earth, Planets and Space 2018 70:45

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  23. Content type: Full paper

    The fluxgate magnetometer for the Arase (ERG) spacecraft mission was built to investigate particle acceleration processes in the inner magnetosphere. Precise measurements of the field intensity and direction a...

    Authors: Ayako Matsuoka, Mariko Teramoto, Reiko Nomura, Masahito Nosé, Akiko Fujimoto, Yoshimasa Tanaka, Manabu Shinohara, Tsutomu Nagatsuma, Kazuo Shiokawa, Yuki Obana, Yoshizumi Miyoshi, Makoto Mita, Takeshi Takashima and Iku Shinohara

    Citation: Earth, Planets and Space 2018 70:43

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  24. Content type: Full paper

    Combining analyses of spatial and temporal characteristics of the ionosphere is of great significance for scientific research and engineering applications. Tensor decomposition is performed to explore the temp...

    Authors: Shikun Lu, Hao Zhang, Xihai Li, Yihong Li, Chao Niu, Xiaoyun Yang and Daizhi Liu

    Citation: Earth, Planets and Space 2018 70:39

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  25. Content type: Full paper

    The effects of solar flares on the propagation of subionospheric VLF signals from NWC and NLK transmitter stations monitored at a low-latitude station, Suva (18.2°S, 178.4°E), Fiji, between December 2006 and D...

    Authors: Abhikesh Kumar and Sushil Kumar

    Citation: Earth, Planets and Space 2018 70:29

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  26. Content type: Full paper

    Understanding of underlying mechanisms of drastic variations of the near-Earth space (geospace) is one of the current focuses of the magnetospheric physics. The science target of the geospace research project ...

    Authors: Kanako Seki, Yoshizumi Miyoshi, Yusuke Ebihara, Yuto Katoh, Takanobu Amano, Shinji Saito, Masafumi Shoji, Aoi Nakamizo, Kunihiro Keika, Tomoaki Hori, Shin’ya Nakano, Shigeto Watanabe, Kei Kamiya, Naoko Takahashi, Yoshiharu Omura, Masahito Nose…

    Citation: Earth, Planets and Space 2018 70:17

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  27. Content type: Full paper

    We describe the principles of the Wave–Particle Interaction Analyzer (WPIA) and the implementation of the Software-type WPIA (S-WPIA) on the Arase satellite. The WPIA is a new type of instrument for the direct...

    Authors: Yuto Katoh, Hirotsugu Kojima, Mitsuru Hikishima, Takeshi Takashima, Kazushi Asamura, Yoshizumi Miyoshi, Yoshiya Kasahara, Satoshi Kasahara, Takefumi Mitani, Nana Higashio, Ayako Matsuoka, Mitsunori Ozaki, Satoshi Yagitani, Shoichiro Yokota, Shoya Matsuda, Masahiro Kitahara…

    Citation: Earth, Planets and Space 2018 70:4

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  28. Content type: Full paper

    This paper summarizes the specifications and initial evaluation results of Wire Probe Antenna (WPT) and Electric Field Detector (EFD), the key components for the electric field measurement of the Plasma Wave E...

    Authors: Yasumasa Kasaba, Keigo Ishisaka, Yoshiya Kasahara, Tomohiko Imachi, Satoshi Yagitani, Hirotsugu Kojima, Shoya Matsuda, Masafumi Shoji, Satoshi Kurita, Tomoaki Hori, Atsuki Shinbori, Mariko Teramoto, Yoshizumi Miyoshi, Tomoko Nakagawa, Naoko Takahashi, Yukitoshi Nishimura…

    Citation: Earth, Planets and Space 2017 69:174

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  29. Content type: Full paper

    The medium-energy particle experiments–ion mass analyzer (MEP-i) was developed for the exploration of energization and radiation in geospace (ERG) mission (Arase), in order to measure the three-dimensional dis...

    Authors: Shoichiro Yokota, Satoshi Kasahara, Takefumi Mitani, Kazushi Asamura, Masafumi Hirahara, Takeshi Takashima, Kazuhiro Yamamoto and Yasuko Shibano

    Citation: Earth, Planets and Space 2017 69:172

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  30. Content type: Technical report

    This paper introduces ISEE_3D, an interactive visualization tool for three-dimensional plasma velocity distribution functions, developed by the Institute for Space-Earth Environmental Research, Nagoya Universi...

    Authors: Kunihiro Keika, Yoshizumi Miyoshi, Shinobu Machida, Akimasa Ieda, Kanako Seki, Tomoaki Hori, Yukinaga Miyashita, Masafumi Shoji, Iku Shinohara, Vassilis Angelopoulos, Jim W. Lewis and Aaron Flores

    Citation: Earth, Planets and Space 2017 69:170

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  31. Content type: Full paper

    In this report, we describe the low-energy electron instrument LEPe (low-energy particle experiments–electron analyzer) onboard the Arase (ERG) spacecraft. The instrument measures a three-dimensional distribut...

    Authors: Yoichi Kazama, Bo-Jhou Wang, Shiang-Yu Wang, Paul T. P. Ho, Sunny W. Y. Tam, Tzu-Fang Chang, Chih-Yu Chiang and Kazushi Asamura

    Citation: Earth, Planets and Space 2017 69:165

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  32. Content type: Full paper

    The plasmas (electrons and ions) in the inner magnetosphere have wide energy ranges from electron volts to mega-electron volts (MeV). These plasmas rotate around the Earth longitudinally due to the gradient an...

    Authors: Kazuo Shiokawa, Yasuo Katoh, Yoshiyuki Hamaguchi, Yuka Yamamoto, Takumi Adachi, Mitsunori Ozaki, Shin-Ichiro Oyama, Masahito Nosé, Tsutomu Nagatsuma, Yoshimasa Tanaka, Yuichi Otsuka, Yoshizumi Miyoshi, Ryuho Kataoka, Yuki Takagi, Yuhei Takeshita, Atsuki Shinbori…

    Citation: Earth, Planets and Space 2017 69:160

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  33. Content type: Frontier Letter

    We report on the large-scale evolution of dipolarization in the near-Earth plasma sheet during an intense (AL ~ −1000 nT) substorm on August 10, 2016, when multiple spacecraft at radial distances between 4 and...

    Authors: Rumi Nakamura, Tsugunobu Nagai, Joachim Birn, Victor A. Sergeev, Olivier Le Contel, Ali Varsani, Wolfgang Baumjohann, Takuma Nakamura, Sergey Apatenkov, Anton Artemyev, Robert E. Ergun, Stephen A. Fuselier, Daniel J. Gershman, Barbara J. Giles, Yuri V. Khotyaintsev, Per-Arne Lindqvist…

    Citation: Earth, Planets and Space 2017 69:129

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  34. Content type: Full paper

    The water-group ion cyclotron waves (ICWs) in Saturn’s magnetosphere were studied using the magnetic field data provided by the MAG magnetometer on board the Cassini satellite. The period from January 2005 to ...

    Authors: Marty Chou and Chio Zong Cheng

    Citation: Earth, Planets and Space 2017 69:122

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    The Correction to this article has been published in Earth, Planets and Space 2017 69:148

  35. Content type: Express Letter

    We have investigated the coupling between the stratosphere and mesosphere–lower thermosphere (MLT) in the Southern Hemisphere (SH) during 2010 minor sudden stratospheric warmings (SSWs). Three episodic SSWs we...

    Authors: S. Eswaraiah, Yong Ha Kim, Huixin Liu, M. Venkat Ratnam and Jaewook Lee

    Citation: Earth, Planets and Space 2017 69:119

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  36. Content type: Full paper

    We have examined multi-instrument observations of the magnetospheric and ionospheric response to the interplanetary shock on January 24, 2012. Apart from various instruments, such as ground and space magnetom...

    Authors: V. B. Belakhovsky, V. A. Pilipenko, Ya. A. Sakharov, D. L. Lorentzen and S. N. Samsonov

    Citation: Earth, Planets and Space 2017 69:105

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  37. Content type: Letter

    We examined the morphological signatures of 315 omega band aurora events observed using the Time History of Events and Macroscale Interactions during Substorm ground-based all-sky imager network over a period ...

    Authors: Natsuo Sato, Akira Sessai Yukimatu, Yoshimasa Tanaka and Tomoaki Hori

    Citation: Earth, Planets and Space 2017 69:103

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  38. Content type: Full paper

    This paper shows a statistical analysis of 10.2 kHz Omega broadcasts of an artificial signal broadcast from ground stations, propagated in the plasmasphere, and detected using an automatic detection method we ...

    Authors: I Made Agus Dwi Suarjaya, Yoshiya Kasahara and Yoshitaka Goto

    Citation: Earth, Planets and Space 2017 69:100

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  39. Content type: Technical report

    We have developed a digital fast Fourier transform spectrometer made of an analog-to-digital converter (ADC) and a field-programmable gate array (FPGA). The base instrument has independent ADC and FPGA modules...

    Authors: Kazumasa Iwai, Yûki Kubo, Hiromitsu Ishibashi, Takahiro Naoi, Kenichi Harada, Kenji Ema, Yoshinori Hayashi and Yuichi Chikahiro

    Citation: Earth, Planets and Space 2017 69:95

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  40. Content type: Technical report

    A space environment data acquisition monitor (SEDA) has been flown onboard the Japanese meteorological satellites ‘Himawari-8/9’ as one of the housekeeping information monitors for satellite operation. SEDA co...

    Authors: Tsutomu Nagatsuma, Kaori Sakaguchi, Yûki Kubo, Piet Belgraver, Frédéric Chastellain, Reto Muff and Takeshi Otomo

    Citation: Earth, Planets and Space 2017 69:75

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