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Demographics of Supermassive Black Holes across the Universe

Science Sessions - Supermassive black holes

Our understandings of supermassive black holes (SMBHs) have undergone significant progress over the past few decades. The discovery of tight correlation between the masses of SMBHs and the host galaxies indicates co-evolution of the two systems, which may be a key ingredient to shape the universe we see today. Wide-field surveys have revealed the prevalence of quasars and active galactic nuclei (AGNs), now out to z > 7, where the universe was less than a billion years old. Recent development of time-domain astronomy is opening up a new avenue of exploring cosmological evolution of black holes, through detections of tidal disruption events, changing-look quasars, and low-luminosity AGNs.

This conference aims at bringing researchers together to review the recent progress of these fields and discuss future directions. The conference will mainly cover the following topics.
・Wide-field surveys for quasars and AGNs
・Black hole assembly in various environments
・Co-evolution of galaxies and SMBHs
・Time-domain astronomy for SMBHs
b/g image: Light from a black hole 13 billion years ago (Y Matsuoka et al. 2016)

SOC: Chair - Yoshiki Matsuoka (Ehime U.), Masa Imanishi (NAOJ), Michael Strauss (Princeton U.), Masaomi Tanaka (Tohoku U.), Jong-Hak Woo (SNU)


(I) Shigeru Yoshida (Chiba U.)
"Multi-messenger astronomy with high energy neutrinos" (PDF)

Haoning He (RIKEN)
"Neutrinos from Choked Jets Accompanied by Type-II Supernovae" (PDF)

Tomoki Morokuma (U. of Tokyo)
"Subaru+Gemini follow-up for IceCube high-energy neutrinos" (PDF)

Mitsuru Kokubo (Tohoku U.)
"Properties of variability-selected AGNs in the HSC SSP Transient Survey in COSMOS" (PDF)

Toru Yamada (ISAS / JAXA)
"Variability Search for Faint AGN using the HSC SSP-Survey Data: Variability properties of the low-luminosity AGN in the COSMOS field" (PDF)

Shunsuke Onishi (U. of Tokyo, ISAS / JAXA)
"The line-of-sight velocity variation of CO ro-vibrational lines in the ULIRG IRAS 08572+3915" (PDF)

Chien-Hsiu Lee (NOAO)
"ANTARES: a community broker for ZTF and LSST" (PDF)

(I) Jenny Greene (Princeton U.)
"Mergers, Black Hole Binaries, and PFS" (PDF)

Maria Charisi (Caltech)
"Searching for sub-parsec supermassive black hole binaries" (PDF)

Malte Schramm (NAOJ)
"A potential high-z dwarf galaxy discovered by ALMA and SUBARU/IRCS" (PDF)

Tetsuya Hashimoto (NTHU)
"One step toward understanding cosmic re-ionization: absorption tests with a new QSO we discovered at z=6.6" (PDF)

(I) Chris Harrison (ESO)
"AGN Outflows and Feedback Across Cosmic Time" (PDF)

Toru Misawa (Shinshu U.)
"Properties of Narrow Absorption Line Systems in AGN Outflow" (PDF)

Tohru Nagao (Ehime U.)
"High-z narrow-line regions in AGNs" (PDF)


(I) Silvia Mateos (Instituto de Física de Cantabria)
"Uncovering highly obscured SMBH growth" (PDF)

Masatoshi Imanishi (NAOJ)
"Luminous buried AGNs in merging ultraluminous infrared galaxies revealed with Subaru and ALMA" (PDF)

Yoshiki Toba (Kyoto U.)
Multi-wavelength view of dust-obscured galaxies"

Akatoki Noboriguchi (Ehime U.)
"Discovery of blue-excess dust-obscured galaxies viewed with Subaru Hyper Suprime-Cam" (PDF)

(I) Kohei Ichikawa (Tohoku U.)
"Obscured SMBH assembly using multi-wavelength and wide-field surveys" (PDF)

Takuji Yamashita (NAOJ)
"Wide and Deep Exploration of Radio Galaxies with Subaru HSC (WERGS)
" (PDF)

Kianhong Lee (U. of Tokyo)
"The radio-loud fraction and the mean radio-loudness of high-z low-luminosity HSC quasars" (PDF)

(I) Stephanie LaMassa (STScI)
"Demographics of X-ray and Mid-Infrared Selected AGN from the Wide-Area Stripe 82X Survey" (PDF)

Hyewon Suh (Subaru Telescope)
"The most obscured phase of accreting black holes at high redshift: First accreting black hole candidates" (PDF)

Masafusa Onoue (MPIA)
"Probing the early SMBH evolution at the frontiers: deep NIR observations of z=6-7 quasars" (PDF)

Nanako Kato (Ehime U.)
"A search for high-z red quasars with the Subaru HSC and WISE data" (PDF)

(I) Luis Ho (KIAA, Peking U.)
"Fundamental Physical Properties of Quasar Host Galaxies" (PDF)

Toru Ishino (Ehime U.)
"Subaru Hyper Suprime-Cam View of Quasar Host Galaxies at z < 1" (PDF)

Yuya Saeda (Ehime U.)
"Stacking analysis of quasar host galaxies at z > 1 with Subaru HSC" (PDF)

John Silverman (Kavli IPMU)
"The growth of supermassive black holes and their host galaxies from HST to HSC" (PDF)


(I) Masayuki Akiyama (Tohoku U.)
"Tracing the accretion growth history of super massive black holes with wide-field surveys" (PDF)


Kazuma Joh (Ehime U.)
"Influence of the AGN activity on ionized gas clouds in narrow-line regions of AGNs" (PDF)

Daisuke Itoh (Shinshu U.)
"Estimating a distance of intrinsic NAL absorbers" (PDF)

Shenli Tang (Kavil IPMU)
"The study of dual QSOs as tracers of galaxy mergers" (PDF)

Kohei Iwashita (Ehime U.)
"CHORUS: A new search for type-2 AGNs at high-z by focusing on dual-NB emitters with HSC-SSP and CHORUS" (PDF)

Shintaro Koshida (Subaru Telescope)
"Searching for hot dust surrounding SMBH with HSC transient survey catalog" (PDF)


Subaru Telescope
650 N Aohoku Pl
Hilo, HI, 96720 United States


Dr. Sakurako Okamoto
Dr. Rhythm Shimakawa
at Subaru Telescope


LOC Email Address
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