フォロー
Shotaro Sakai
Shotaro Sakai
確認したメール アドレス: tohoku.ac.jp - ホームページ
タイトル
引用先
引用先
Loss of the Martian atmosphere to space: Present-day loss rates determined from MAVEN observations and integrated loss through time
BM Jakosky, D Brain, M Chaffin, S Curry, J Deighan, J Grebowsky, ...
Icarus 315, 146-157, 2018
2992018
MAVEN observations of the response of Mars to an interplanetary coronal mass ejection
BM Jakosky, JM Grebowsky, JG Luhmann, J Connerney, F Eparvier, ...
Science 350 (6261), aad0210, 2015
2372015
Early MAVEN Deep Dip campaign reveals thermosphere and ionosphere variability
S Bougher, B Jakosky, J Halekas, J Grebowsky, J Luhmann, P Mahaffy, ...
Science 350 (6261), aad0459, 2015
1152015
Hot oxygen escape from Mars: Simple scaling with solar EUV irradiance
TE Cravens, A Rahmati, JL Fox, R Lillis, S Bougher, J Luhmann, S Sakai, ...
Journal of Geophysical Research: Space Physics 122 (1), 1102-1116, 2017
532017
Effects of a weak intrinsic magnetic field on atmospheric escape from Mars
S Sakai, K Seki, N Terada, H Shinagawa, T Tanaka, Y Ebihara
Geophysical Research Letters 45 (18), 9336-9343, 2018
412018
Electron energetics in the Martian dayside ionosphere: Model comparisons with MAVEN data
S Sakai, L Andersson, TE Cravens, DL Mitchell, C Mazelle, A Rahmati, ...
Journal of Geophysical Research: Space Physics 121 (7), 7049-7066, 2016
382016
Photoelectrons and solar ionizing radiation at Mars: Predictions versus MAVEN observations
WK Peterson, EMB Thiemann, FG Eparvier, L Andersson, CM Fowler, ...
Journal of Geophysical Research: Space Physics 121 (9), 8859-8870, 2016
372016
Effects of an intrinsic magnetic field on ion loss from ancient Mars based on multispecies MHD simulations
R Sakata, K Seki, S Sakai, N Terada, H Shinagawa, T Tanaka
Journal of Geophysical Research: Space Physics 125 (2), e2019JA026945, 2020
362020
Statistical study of heavy ion outflows from Mars observed in the Martian‐induced magnetotail by MAVEN
S Inui, K Seki, S Sakai, DA Brain, T Hara, JP McFadden, JS Halekas, ...
Journal of Geophysical Research: Space Physics 124 (7), 5482-5497, 2019
362019
Model insights into energetic photoelectrons measured at Mars by MAVEN
S Sakai, A Rahmati, DL Mitchell, TE Cravens, SW Bougher, C Mazelle, ...
Geophysical Research Letters 42 (21), 8894-8900, 2015
352015
Cold dense ion outflow observed in the Martian‐induced magnetotail by MAVEN
S Inui, K Seki, T Namekawa, S Sakai, DA Brain, T Hara, JP McFadden, ...
Geophysical Research Letters 45 (11), 5283-5289, 2018
272018
Electron density inside Enceladus plume inferred from plasma oscillations excited by dust impacts
SY Ye, DA Gurnett, WS Kurth, TF Averkamp, M Morooka, S Sakai, ...
Journal of Geophysical Research: Space Physics 119 (5), 3373-3380, 2014
252014
Fate of ice grains in Saturn's ionosphere
O Hamil, TE Cravens, NL Reedy, S Sakai
Journal of Geophysical Research: Space Physics 123 (2), 1429-1440, 2018
162018
Dust–plasma interaction through magnetosphere–ionosphere coupling in Saturn’s plasma disk
S Sakai, S Watanabe, MW Morooka, MKG Holmberg, JE Wahlund, ...
Planetary and Space Science 75, 11-16, 2013
142013
Seasonal and dust‐related variations in the dayside thermospheric and ionospheric compositions of Mars observed by MAVEN/NGIMS
N Yoshida, N Terada, H Nakagawa, DA Brain, S Sakai, Y Nakamura, ...
Journal of Geophysical Research: Planets 126 (11), e2021JE006926, 2021
112021
Modeling of diffuse auroral emission at Mars: Contribution of MeV protons
Y Nakamura, N Terada, F Leblanc, A Rahmati, H Nakagawa, S Sakai, ...
Journal of Geophysical Research: Space Physics 127 (1), e2021JA029914, 2022
102022
Strong Depletion of 13C in CO Induced by Photolysis of CO2 in the Martian Atmosphere, Calculated by a Photochemical Model
T Yoshida, S Aoki, Y Ueno, N Terada, Y Nakamura, K Shiobara, ...
The Planetary Science Journal 4 (3), 53, 2023
92023
Effects of the IMF Direction on Atmospheric Escape From a Mars‐like Planet Under Weak Intrinsic Magnetic Field Conditions
S Sakai, K Seki, N Terada, H Shinagawa, R Sakata, T Tanaka, Y Ebihara
Journal of Geophysical Research: Space Physics 126 (3), e2020JA028485, 2021
82021
Plasma dynamics in Saturn's middle-latitude ionosphere and implications for magnetosphere-ionosphere coupling
S Sakai, S Watanabe
Icarus 274, 261-271, 2016
82016
Low electron temperatures observed at Mars by MAVEN on dayside crustal magnetic field lines
S Sakai, TE Cravens, L Andersson, CM Fowler, DL Mitchell, C Mazelle, ...
Journal of Geophysical Research: Space Physics 124 (9), 7629-7637, 2019
72019
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