1. Discovery of a new extreme changing-state quasar with 4 mag variation, SDSS J125809.31+351943.0. (24th November 2020) Authors: Nagoshi, Shumpei; Iwamuro, Fumihide; Wada, Kazuma; Saito, Tomoki Journal: Publications of the Astronomical Society of Japan Issue: Volume 73:Number 1(2021) Page Start: 122 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Discovery of new changing-look quasar 3C 332 and constraints for a double-peaked emission line scenario. (29th April 2021) Authors: Wada, Kazuma; Iwamuro, Fumihide; Nagoshi, Shumpei; Saito, Tomoki Journal: Publications of the Astronomical Society of Japan Issue: Volume 73:Number 3(2021) Page Start: 596 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Spectroscopic and photometric observations of dwarf nova superoutbursts by the 3.8 m telescope Seimei and the Variable Star Network. (17th May 2021) Authors: Tampo, Yusuke; Isogai, Keisuke; Kojiguchi, Naoto; Maehara, Hiroyuki; Taguchi, Kenta; Kato, Taichi; Kimura, Mariko; Wakamatsu, Yasuyuki; Shibata, Masaaki; Nogami, Daisaku; Kawabata, Miho; Maeda, Keiichi; Namekata, Kosuke; Okamoto, Soshi; Otsuka, Masaaki; Burgaz, Umut; Nagoshi, Shumpei; Itoh, Hiros... Journal: Publications of the Astronomical Society of Japan Issue: Volume 73:Number 3(2021) Page Start: 753 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. The relation between quasars' optical spectra and variability. (30th August 2022) Authors: Nagoshi, Shumpei; Iwamuro, Fumihide Journal: Publications of the Astronomical Society of Japan Issue: Volume 74:Number 5(2022) Page Start: 1198 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗