AGN Conference 2026

Tuesday March 17, 2026
08:50~09:20 Registration
09:20~09:25 Opening remark (Yoshiki Toba)
09:25~09:30 LOC announcement (Youichi Ohyama)
Latest HSC results (Chair: Youichi Ohyama)
09:30~10:00 Overview of AGN sciences with HSC-SSP and PFS-SSP
Yoshiki Toba (Ritsumeikan University)
10:00~10:15 The origin of post-starburst galaxies probed with HSC imaging at z ∼ 0.2–1.0
Arina Saito (Ehime University)
10:15~10:30 Mergers, Star Formation, and AGN activity in the HSC-SSP - a Cautionary Tale
Kiyoaki Omori (Saint Mary's University)
10:30~10:50 Coffee Break
10:30~10:50 Poster viewing
10:50~11:05 Environments around Type-2 Quasars Revealed with HSC-SSP
Yuta Suzuki (Ehime University)
11:05~11:20 Statistical Properties of X-ray Detected and Undetected AGN Revealed by Stacking Analysis of the eFEDS Survey
Sorami Soga (Nara Women's University)
11:20~12:50 Lunch
PFS-SSP overview and initial results (chair: Yoshiki Matsuoka)
12:50~13:20 Learning from the stellar continua of galaxies: progress and initial results of the PFS SSP GE ‘low-z’ project
Po-Feng Wu (National Taiwan University)
13:20~13:50 Subaru PFS Cosmology Program
Tomomi Sunayama (ASIAA)
13:50~14:05 Fitting AGN and host galaxy emission lines with CIGALE
Patrice Theulé (Laboratoire d'Astrophysique de Marseille)
14:05~15:00 Coffee Break
14:05~15:00 Poster viewing
15:00~15:30 Charting the High-Redshift Universe with PFS-SSP
Daichi Kashino (NAOJ)
15:30~15:45 Discovery of Narrow-line Seyfert 1-type Quasars at z=2.3-6.0 with PFS-SSP
Ayumi Takahashi (Kanagawa Univ.)
Poster session (chair: Yoshiki Toba)
15:45~15:48 Calibrating Non-Parametric Morphology with Citizen-Science Labels: New Gini–M20 and CAS Boundaries for HSC Galaxies
YUEYI KANG (Ritsumeikan University)
15:48~15:51 Constructing the Largest Sample of Infrared-bright Dust-Obscured Galaxies with HSC-SSP Final Data: SED Classification and Properties
Yui Nishimura (Ritsumeikan University)
15:51~15:54 Generative Adversarial Networks for Astronomical Image Super-Resolution: A Case Study on Galaxy Morphology from SDSS to HSC
Akihiro Yasuda (Ritsumeikan University)
15:54~15:57 short Q&A
15:57~16:00 Physical Properties of Broad-Line AGNs in the PFS-SSP Galaxy Evolution Survey: Initial Results from S25A Observations
Keiya Takeshita (Ritsumeikan University)
16:00~16:03 All-sky AGN selection with SPHEREx for PFS follow up
Yuka Yamada (University of Tokyo)
16:03~16:06 Investigating the Relationship between Outflows and Metallicity Using Emission-Line Ratios in BAL Quasars
Nozomu Tamada (Ehime University)
16:06~16:09 short Q&A
16:09~16:12 Investigating the Host Galaxy of Active Galactic Nuclei with S3Fit
Bovornpratch Vijarnwannaluk (ASIAA)
16:12~16:15 Impact of Black Hole Activity on Line Intensity Mapping Statistics
Ogata Erika (University of Tokyo)
16:15~16:18 Measurement of the Time Delay of the Gravitationally Lensed Blazar PKS 1830–211 by Fermi-LAT
Mitsuki Mori (Ritsumeikan University)
16:18~16:21 short Q&A
16:21~16:24 The multi-band periodic variability and inter-band time lags of the SMBH binary candidate PKS J2134-0153
Guowei Ren (University of Science and Technology of China)
16:24~16:27 Tracing AGN Contribution and Abundance Across Cosmic Time with JWST
Angel Rodriguez Barbosa (National Tsing Hua University)
16:27~16:30 short Q&A
16:30~17:30 Poster viewing
Wednesday March 18, 2026
09:15~09:30 Registration
Results from PFS and other multi-object spectrographs (chair: Tohru Nagao)
09:30~10:00 [Remote] Probing fundamental properties of AGNs with DESI and PFS
Linhua Jiang (Peking University)
10:00~10:15 Tracing quasar activity histories with proximity zones in DESI Y1
Ryuichiro Hada (ASIAA)
10:15~10:30 Obscured cosmic black hole accretion history from dusty AGN found with the JWST/MIRI
Tomo Goto (NTHU)
10:30~10:40 Group Photo
10:30~11:00 Poster viewing
10:30~11:00 Coffee Break
11:00~11:30 Spectroscopic Observations of Variability-Selected AGNs with Subaru/PFS
Mitsuru Kokubo (National Astronomical Observatory of Japan)
11:30~11:45 Search for Broad Hα Emitters in the nearby universe (z < 1) with Subaru PFS
Yuki Taki (NAOJ/SOKENDAI)
11:45~12:00 The Initial Results from the Subaru PFS Open-Use data: Spectroscopic Identification of AGNs in the EGS Field
Atsushi Hoshi (Tohoku University / ISAS JAXA)
12:00~13:45 Lunch
Latest HSC results with multi-wavelength datasets (chair: Yoshiki Matsuoka)
13:45~14:15 From HSC to Euclid and PFS: Wide-area optical-NIR view of radio AGN
Kohei Ichikawa (Tohoku University)
14:15~14:30 Discovery of an X-ray Luminous Radio-Loud Quasar at z = 3.4: A Possible Transitional Super-Eddington Phase
Sakiko Obuchi (Waseda University)
14:30~14:45 Impact of jets at cosmic noon through radio galaxies selected by the gzK selection
Seira Kobayashi (Ehime University)
14:45~15:00 Host Galaxy Morphology of LOFAR Radio AGN in the Subaru HSC Deep Field ELAIS-N1
Kateryna Vovk (Kavli IPMU, Tokyo University)
15:00~15:45 Poster viewing
15:00~15:45 Coffee Break
15:45~16:15 Studying Radio AGN with the HSC Survey
Yen-Ting Lin (ASIAA)
16:15~16:30 Studying the galaxy populations of eROSITA X-ray-selected galaxy clusters
I-Non Chiu (National Cheng Kung University)
Poster session (poster viewing)
18:00~20:00 Banquet (Howard International House Garden Cafeteria 恬園餐廳)
No.30, Sec.3, Xinsheng South Rd.,Taipei 台北市大安區新生南路三段30號
[ Science Verification Sessions ]
Thursday March 19, 2026
PFS early results and outlook (chair: Kohei Ichikawa)
09:30~10:00 [Remote] The Starburst-AGN-PFS connection along the history of the Universe
Thaisa Storchi-Bergmann (UFRGS)
10:00~10:15 [Remote] Shadows and Flares: A Decade-Long Infrared View of Accreting Supermassive Black Holes
Suvendu Rakshit (Aryabhatta Research Institute of Observational SciencES (ARIES), India)
10:15~10:30 Probing the AGN structure using quasar variability combined with spectroscopic data
Ji-Jia Tang (Ehime University)
10:30~11:00 Coffee Break
10:30~11:00 Poster viewing
11:00~11:30 Quasar Environments at High Redshift: From HSC and PFS to Roman
Masafusa Onoue (Waseda University)
11:30~11:45 Diverse Mpc-scale environments of low-luminosity quasars at z~6
Junya Arita (University of Tokyo)
11:45~12:00 Diverse Origins of Broad Hα Lines in Heavily Obscured AGNs Revealed by Optical Multi-epoch Spectroscopy
Shoichiro Mizukoshi (ASIAA)
12:00~13:30 Lunch
(chair: Ayumi Takahashi)
13:30~13:45 Coronal Emission Lines as Tracers of Massive Black Holes in Dwarf Galaxies
Jialai Wang (University of Science and Technology of China)
13:45~14:00 AKARI All-Sky–Selected ULIRGs: ALMA CO(2–1) Insights into Merger-Driven SMBH Growth
Kianhong Lee (Nagoya University)
14:00~14:15 The Morphologies of Dust-Obscured Galaxies (DOGs)
Thomas Bohn (Ehime University)
14:15~14:30 AGN Demographics Across Cosmic Time: Insights from JWST and the Promise of PFS
Helena Treiber (Princeton University)
14:30~15:00 Coffee Break
14:30~15:00 Poster viewing
Theory and high-energy perspectives (chair: Ayumi Takahashi)
15:00~15:30 Origins of supermassive black holes in galactic centers
Ke-Jung (Ken) Chen (ASIAA)
15:30~15:45 Metallicity dependence of line-driven AGN disc winds and implications for black hole growth
Mariko Nomura (Hirosaki University)
15:45~16:00 Nanohertz gravitational waves and SMBH binaries
Kin-Wang Ng (ASIOP/ASIAA)
16:00~16:15 Statistical Properties of high-synchrotron peaked blazars
Yu-Ling Chang (National Taiwan University)
Closing remark (Yoshiki Toba)
Poster viewing & Free discussion