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pro vyhledávání: '"Koga, K."'
Autor:
Grundy, W. M., Tegler, S. C., Steckloff, J. K., Tan, S. P., Loeffler, M. J., Jasko, A. V., Koga, K. J., Blakley, B. P., Raposa, S. M., Engle, A. E., Thieberger, C. L., Hanley, J., Lindberg, G. E., Gomez, M. D., Madden-Watson, A. O.
Nitrogen, carbon monoxide, and methane are key materials in the far outer Solar System where their high volatility enables them to sublimate, potentially driving activity at very low temperatures. Knowledge of their vapor pressures and latent heats o
Externí odkaz:
http://arxiv.org/abs/2309.05078
Publikováno v:
Proceeding of Science, 2019
The SEDA-FIB is a detector designed to measure solar neutrons. This solar neutron detector was operated onboard the ISS on July 16, 2009 and March 31, 2018. Eighteen large solar flares were later observed by the GOES satellite in solar active region
Externí odkaz:
http://arxiv.org/abs/1907.09154
In the solar flare observed on June 3, 2012, high energy gamma-rays and neutrons were observed. The event includes a remarkable feature of a high neutron/gamma-ratio in the secondary particles. We have examined whether this high n/$\gamma$-ratio can
Externí odkaz:
http://arxiv.org/abs/1902.02561
Autor:
Muraki, Y., Valdes-Galicia, J. F., Gonzalez, L. X., Kamiya, K., Katayose, Y., Koga, K., Matsumoto, H., Masuda, S., Matsubara, Y., Nagai, Y., Ohnishi, M., Ozawa, S., Sako, T., Shibata, S., Takita, M., Tanaka, Y., Tsuchiya, H., Watanabe, K., Zhang, J. L.
At the 33rd ICRC, we reported the possible detection of solar gamma rays by a ground level detector and later re-examined this event. On March 7, 2011, the solar neutron telescope (SNT) located at Mt. Sierra Negra, Mexico (4,600 m) observed enhanceme
Externí odkaz:
http://arxiv.org/abs/1706.09082
We reported a photon detection at the arrival time of the gravitational wave on December 26th, 2015. According to the LIGO-Virgo collaboration, the gravitational wave was produced by the merging process of the two black holes. The merged time was det
Externí odkaz:
http://arxiv.org/abs/1611.09514
Autor:
Gkioulidou, Matina, Ohtani, S., Mitchell, D. G., Ukhorskiy, A. Y., Reeves, G. D., Turner, D. L., Gjerloev, J. W., Nosé, M., Koga, K., Rodriguez, J. V., Lanzerotti, L. J.
Recent results by the Van Allen Probes mission showed that the occurrence of energetic ion injections inside geosynchronous orbit could be very frequent throughout the main phase of a geomagnetic storm. Understanding, therefore, the formation and evo
Externí odkaz:
http://arxiv.org/abs/1606.02656
Autor:
Koga, K., Matsumoto, H., Okudaira, O., Goka, T., Obara, T., Masuda, S., Muraki, Y., Shibata, S., Yamamoto, T.
Publikováno v:
Solar Physics (2017) 292:115
The solar neutron detector SEDA-FIB onboard the International Space Station (ISS) has detected several events from the solar direction associated with three large solar flares observed on March 5th (X1.1), 7th (X5.4), and 9th (M6.3) of 2012. In this
Externí odkaz:
http://arxiv.org/abs/1508.04927
Autor:
Muraki, Y., Lopez, D., Koga, K., Kakimoto, F., Goka, T., Gonzalez, L. X., Masuda, S., Matsubara, Y., Matsumoto, H., Miranda, P., Okudaira, O., Obara, T., Salinas, J., Sako, T., Shibata, S., Ticona, R., Tsunesada, Y., Valdes-Galicia, J. F., Watanabe, K., Yamamoto, T.
Publikováno v:
Solar Physics 291 (2016) 1241-1265
An M6.5-class flare was observed at N12E56 of the solar surface at 16:06 UT on July 8, 2014. In association with this flare, solar neutron detectors located on two high mountains, Mt. Sierra Negra and Chacaltaya and at the space station observed enha
Externí odkaz:
http://arxiv.org/abs/1508.04923
Autor:
Koga, K., Masuda, S., Matsumoto, H., Muraki, Y., Okudaira, T. Obara O., Shibata, S., Yamamoto, T., Goka, T.
We analyzed a highly impulsive solar flare observed on June 3, 2012. In association with this flare, emissions of hard X-rays, high-energy gamma rays, and neutrons were detected by the detectors onboard the FERMI, RHESSI satellites and the Internatio
Externí odkaz:
http://arxiv.org/abs/1508.04930
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