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SOKENDAI Colloquium (2025.12.24)

Speaker1: Tomokazu Kiyota
Affiliation: SOKENDAI 2nd year (M2)
(Supervisor: Masami Ouchi, Daisuke Iono, Masatoshi Imanishi)
Title: Unveiling the Dusty Universe with JWST: Probing Submillimeter Sources at z=1-7

Speaker2: Yui Takeda
Affiliation: SOKENDAI 2nd year (M2)
(Supervisor: Masami Ouchi, Miho Ishigaki, Ko Takahashi)
Title: Origin of Supermassive Black Holes Probed with JWST Images and Spectra

Speaker3: Tsutsumi Nagai
Affiliation: SOKENDAI 3rd year (D1)
(Supervisor: Takayuki Kotani, Teruyuki Hirano, John Livingston)
Title: High-angular-resolution polarimetric imaging of Betelgeuse using VAMPIRES/SCExAO

SOKENDAI Colloquium (2025.12.10)

Speaker1: Miho Tan
Affiliation: SOKENDAI 3rd year (D1)
(Supervisor: Mami Machida, Tomoya Takiwaki, Kazunari Iwasaki)
Title: The role of episodic AGN jet activity in energy transfer to the circumgalactic medium

Speaker2: Yuzuki Nagashima
Affiliation: SOKENDAI 3rd year (D1)
(Supervisor: Daisuke Iono, Koichiro Nakanishi, Nanase Harada)
Title: 90-pc scale variations in the 13CO/C18O abundance ratio and their connection to structures in NGC 1068l

SOKENDAI Colloquium (2025.11.26)

Speaker1: Ryota Ikeda
Affiliation: SOKENDAI 5th year (D3)
(Supervisor: Daisuke Iono, Masayuki Tanaka, Takuma Izumi)
Title: Study of Cluster Galaxies at Cosmic Noon

Speaker2: Kosei Usami
Affiliation: SOKENDAI 1st year (M1)
(Supervisor: Teruyuki Hirano, Takayuki Kotani, Yuka Fujii)
Title: Longer period exoplanet atmospheric study  by High resolution spectroscopy(HRS) -Warm-Neptune “AU Mic b”-

Speaker3: Yuki Taki
Affiliation: SOKENDAI 1st year (M1)
(Supervisor: Masatoshi Imanishi, Mitsuru Kokubo , Koichiro Nakanishi)
Title: Search for Broad Hα Emitters in the nearby universe with Subaru/PFS

SOKENDAI Colloquium (2025.11.19)

Speaker1: Tadashi Hirose
Affiliation: SOKENDAI 2nd year (M2)
(Supervisor: Noriyuki Narukage, Takashi Sekii, Masumi Shimojo)
Title: Investigation of the origin of a new hot component in a giant arcade observed by FOXSI-3

Speaker2: Teixeira Guimaraes, Gabriel
Affiliation: SOKENDAI 4th year (D2)
(Supervisor: Eiichiro Kokubo, Hideko Nomura , Iwasaki Kazunari)
Title: Orbital Instabilities in eccentric compact planetary systems

SOKENDAI Colloquium (2025.11.5)

Speaker1: Nana Matsuno
Affiliation: SOKENDAI 2nd year (M2)
(Supervisor: Mami Machida, Nozomu Tominaga, Yuka Fujii)
Title: The influence of thermal conduction on shock-jump condition of radio relics

Speaker2: Kuria Watanabe
Affiliation: SOKENDAI 3rd year (D1)
(Supervisor: Masami Ouchi, Nozomu Tominaga, Masato Onodera)
Title: The Chemical Enrichment and Origin of  Nitrogen-Rich Galaxies at High Redshift

Speaker3: Moka Nishigaki
Affiliation: SOKENDAI 5th year (D3)
(Supervisor: Masami Ouchi, Tadafumi Takata, Nanase Harada)
Title: The Evolution of the Galaxy Mass–Metallicity and Fundamental Relations at z=2–10