514 citations · 1.1k across the 23 of their papers we have counts for
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astro-ph.SR2020★ 3 cited
Revealing the spectroscopic variations of FU Orionis object V960 Mon with high-resolution spectroscopy
Yuhei Takagi, Satoshi Honda, Akira Arai +3
We present the results of the high-resolution spectroscopy of the FU Orionis-type star V960 Mon. The brightness of V960 Mon decreased continuously after the outburst was detected i…
astro-ph.SR2020★ 8 cited
Measurements of the Ca II infrared triplet emission lines of pre-main-sequence stars
Mai Yamashita, Yoichi Itoh, Yuhei Takagi
We investigated the chromospheric activity of 60 pre-main-sequence (PMS) stars in four molecular clouds and five moving groups. It is considered that strong chromospheric activity…