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A systematic study of quiescent and outburst properties of X-ray-bright young stellar objects using XMM-Newton
Koki Sakuta, Ikuyuki Mitsuishi, Seiya Sasamata +6
Young Stellar Objects (YSOs) exhibit strong X-ray emission, widely attributed to magnetic reconnection and magnetospheric accretion; however, owing primarily to limited photon stat…
X-ray emission of F-type stars and its analogy with G-type stars
Takuma Shimura, Ikuyuki Mitsuishi, Masanobu Kunitomo +3
We conducted a systematic spectral study for single F-type main-sequence (MS) stars without significant X-ray outbursts to investigate X-ray spectral properties such as temperature…
On the faintest solar coronal hard X-rays observed with FOXSI
Juan Camilo Buitrago-Casas, Lindsay Glesener, Steven Christe +23
Solar nanoflares are small eruptive events releasing magnetic energy in the quiet corona. If nanoflares follow the same physics as their larger counterparts, they should emit hard…
Investigation of coronal properties of X-ray bright G-dwarf stars based on the solar surface magnetic field -- corona relation
Shinsuke Takasao, Ikuyuki Mitsuishi, Takuma Shimura +4
We investigated the coronal properties of G-dwarf stars including the Sun over a wide range of X-ray luminosity ( to …