Purple Auroral Rays and Global Pc1 Pulsations Observed at the CIR-Associated Solar Wind Density Enhancement on 21 March 2017

• Published in: Geophysical Research Letters
• Main Authors: Shiokawa, K., 89180, Ozaki, M., 89181, Kadokura, A., 89182, Endo, Y., 89183, Sakanoi, T., 89184, Kurita, S., 89185, Miyoshi, Y., 89186, Oyama, S.-I., 89187, Connors, M., 89188, Schofield, I., 89189, Ruohoniemi, J. M., 89190, Nośe, M., 89191, Nagatsuma, T., 89192, Sakaguchi, K., 89193, Baishev, D. G., 89194, Pashinin, A., 89195, Rakhmatulin, R., 89196, Shevtsov, B., 89197, Poddelsky, I., 89198, Engebretson, M., 89199, Raita, Tero, 89200, Tanaka, Y.-M., 89201, Shinohara, M., 89202, Teramoto, M., 89203, Nomura, R., 89204
• Language: English
• Published: Wiley 2018
• Subjects: purple aurora; Pc1 pulsation; CIR storm; PWING project; Arase satellite; EMIC wave; Husafell; Iceland
• Online Access: https://nagoya.repo.nii.ac.jp/record/27236/files/Shiokawa_et_al-2018-Geophysical_Research_Letters.pdf

This paper reports two unique auroral features: postmidnight purple auroral rays and global Pc1 geomagnetic pulsations, observed before the onset of the corotating interaction region (CIR) storm of 21 March 2017, at the beginning of the first campaign of the new Particles and Waves in the Inner magn...