activity
20192026
most citedThe ALMA Discovery of the Rotating Disk and Fast Outflow of Cold Molecular Gas in NGC 1275

64 citations · 163 across the 21 of their papers we have counts for

collaborators

23 papers

astro-ph.GA2026

PEGASUS (Pfs Emission-line GAlaxy SUrvey with Subaru): II. Metal Poor AGNs in High Equivalent-Width Narrow-Band Emitters

Hisakazu Uchiyama, Tohru Nagao, Mariko Kubo +19

We present Subaru 'Ōnohi'ula Prime Focus Spectrograph (PFS) optical--NIR spectroscopic follow-up of high-equivalent-width (EW) narrow-band (NB) emission-line galaxies selected from…

astro-ph.GA2026

PEGASUS (Pfs Emission-line GAlaxy SUrvey with Subaru): I. Three-dimensional large-scale structures at probed with emission-line galaxies

Mariko Kubo, Tadayuki Kodama, Rhythm Shimakawa +16

To comprehensively understand the environmental effects on galaxy evolution, it is crucial to precisely map the distribution and thoroughly examine the properties of galaxies, incl…

astro-ph.GA2026

Rapid quenching and early gas depletion in the core of a galaxy protocluster at z=2.2

C. D'Eugenio, H. Dannerbauer, A. Naufal +6

Understanding how galaxy evolution is affected in forming high-z overdensities is a major open question in modern astrophysics. Here, we present the average properties of the quies…

astro-ph.GA2026

Mass--size evolution and the emerging passive--density relation revealed by JWST/NIRCam in the Spiderweb protocluster

J. Nadolny, J. M. Pérez-Martínez, H. Dannerbauer +8

We investigate how the environment affects galaxy structure in the Spiderweb protocluster at using JWST/NIRCam F115W, F182M, and F410M imaging (rest-frame Å to…

astro-ph.GA2026

Strong environmental AGN enhancement among DSFGs in z > 2 protoclusters

Monica Natalia Isla Llave, Fabio Vito, Alberto Traina +17

Galaxy protoclusters (PCs) at z > 2 are dense regions in which cold gas availability and elevated galaxy interaction rates trigger intense, often dust-obscured, star formation. The…

astro-ph.GA2026

Spider-Webb: enhanced star formation in low-mass galaxies within the Spiderweb protocluster revealed by JWST Pa narrow-band imaging

Kazuki Daikuhara, Tadayuki Kodama, Yusei Koyama +10

Understanding the role of the environment in galaxy evolution is key to revealing the physical processes that regulate galaxy growth. We study the star formation activity of \pab\…

astro-ph.GA2025

Spider-Webb: Spatially-Resolved Evidence of Inside-Out Quenching in the Spiderweb Protocluster at

Ronaldo Laishram, Yusei Koyama, Abdurrahman Naufal +6

We present a spatially-resolved analysis of galaxy quenching within the Spiderweb Protocluster at , combining deep imaging from the James Webb Space Telescope (JWST) a…

astro-ph.GA2025★ 3 cited

JWST reveals extended stellar disks for ALMA-bright dusty star-forming galaxies in the Spiderweb protocluster

Y. H. Zhang, H. Dannerbauer, J. M. Pérez-Martínez +14

We present JWST/NIRCam imaging of dusty star-forming galaxies (DSFGs) detected by Atacama Large Millimeter/submillimeter Array (ALMA) in the Spiderweb protocluster at . We…

astro-ph.GA2025

Association of cold gas, massive galaxies, and AGNs in a filamentary protocluster traced by triple narrow-band imaging

Kazuki Daikuhara, Tadayuki Kodama, Haruka Kusakabe +13

We investigate galaxy populations in the HS1700+64 protocluster at , characterized by two prominent linear filaments traced by spatially extended Ly blobs. We conducted…

astro-ph.GA2025

Environmental Regulation of Dust and Star Formation Unveiled by Subaru Dual Narrow-band Imaging: Degree-scale Balmer Decrement Mapping across a z = 0.9 Supercluster

Zhaoran Liu, Tadayuki Kodama, Brian C. Lemaux +13

We present results from a dual narrow-band imaging survey targeting the CL1604 supercluster at z = 0.9 using the Subaru Telescope. By combining the NB921 filter on HSC and the NB12…

astro-ph.GA2025★ 1 cited

Nature of High Equivalent Width Emitters in the Epoch of Reionization Revealed by JWST Medium-band Imaging

Kazuki Daikuhara, Takahiro Morishita, Tadayuki Kodama +3

Extreme emission line galaxies (EELGs) at high redshifts are considered key contributors to cosmic reionization at due to their higher ionization efficiencies. We have identi…

astro-ph.GA2025

Green Flash: Residual Emissions Enshrouded in Low-mass Balmer-break Galaxies at

Kosuke Takahashi, Takahiro Morishita, Tadayuki Kodama +3

Recent James-Webb Space Telescope (JWST) observations have discovered galaxies that are already passively evolving at , \,Gyr after the Big Bang. Remarkably, some of…

astro-ph.GA2024★ 10 cited

COALAS III: The ATCA CO(1-0) look at the growth and death of H emitters in the Spiderweb protocluster at z=2.16

J. M. Pérez-Martínez, H. Dannerbauer, B. H. C. Emonts +26

We obtain CO(1-0) molecular gas measurements with ATCA on a sample of 43 spectroscopically confirmed H emitters in the Spiderweb protocluster at and investigate the rel…

astro-ph.GA2024

Spider-Webb: JWST Near Infrared Camera resolved galaxy star formation and nuclear activities in the Spiderweb protocluster at z=2.16

Rhythm Shimakawa, Yusei Koyama, Tadayuki Kodama +8

Near-infrared (NIR) emission is less affected by dust than UV and optical emission and is therefore useful for studying the properties of dust-obscured galaxies. Although rest-fram…

astro-ph.GA2024★ 11 cited

ASWDF: Census of the obscured star formation in a galaxy cluster in formation at

Y. H. Zhang, H. Dannerbauer, J. M. Pérez-Martínez +13

We report the results of the deep and wide Atacama Large Millimeter/submillimeter Array (ALMA) 1.2 mm mapping of the Spiderweb protocluster at . The observations were divid…

astro-ph.GA2024

JWST/NIRCam Pa narrow-band imaging reveals ordinary dust extinction for H emitters within the Spiderweb protocluster at z=2.16

Jose Manuel Pérez-Martínez, Helmut Dannerbauer, Yusei Koyama +7

We combine JWST/NIRCam and Subaru/MOIRCS dual Pa + H narrow-band imaging to trace the dust attenuation and the star-formation activities of a sample of 43 H$\ma…

astro-ph.GA2024★ 9 cited

JWST/NIRCam Narrowband Survey of Pa Emitters in the Spiderweb Protocluster at z=2.16

Rhythm Shimakawa, J. M. Perez-Martinez, Helmut Dannerbauer +7

We report the initial result of our Pa narrowband imaging on a protocluster with the JWST Near Infrared Camera (NIRCam). As NIRCam enables deep narrowband imaging of rest-frame…

astro-ph.GA2024★ 11 cited

Revealing the quiescent galaxy population in the Spiderweb protocluster at z=2.16 with deep HST/WFC3 slitless spectroscopy

Abdurrahman Naufal, Yusei Koyama, Chiara D'Eugenio +6

We report the HST WFC3 G141 grism slitless spectroscopy observation of the core region of the Spiderweb protocluster at . We analyzed the spectra of all objects in a $\sim…

astro-ph.GA2024

Star formation activity of low-mass galaxies at the peak epoch of galaxy formation probed by deep narrow-band imaging

Kazuki Daikuhara, Tadayuki Kodama, Jose M. Pérez-Martínez +5

Low-mass galaxies at high redshifts are the building blocks of more massive galaxies at later times and are thus key populations for understanding galaxy formation and evolution. W…

astro-ph.GA2023

Enhanced star formation and metallicity deficit in the USS 1558-003 forming protocluster at z=2.53

Jose Manuel Pérez-Martínez, Tadayuki Kodama, Yusei Koyama +6

We use K-band multi-object near-infrared spectroscopy with Keck/MOSFIRE to search for environmental imprints on the gas properties of 27 narrow-band selected H emitters (HAEs) a…

astro-ph.GA2022★ 44 cited

Signs of environmental effects on star-forming galaxies in the Spiderweb protocluster at z=2.16

Jose Manuel Pérez-Martínez, Helmut Dannerbauer, Tadayuki Kodama +11

We use multi-object near-infrared (NIR) spectroscopy with VLT/KMOS to investigate the role of the environment in the evolution of the ionized gas properties of narrow-band selected…

astro-ph.HE2021★ 10 cited

J-GEM optical and near-infrared follow-up of gravitational wave events during LIGO's and Virgo's third observing run

Mahito Sasada, Yousuke Utsumi, Ryosuke Itoh +68

The Laser Interferometer Gravitational-wave Observatory Scientific Collaboration and Virgo Collaboration (LVC) sent out 56 gravitational-wave (GW) notices during the third observin…

astro-ph.GA2019★ 64 cited

The ALMA Discovery of the Rotating Disk and Fast Outflow of Cold Molecular Gas in NGC 1275

H. Nagai, K. Onishi, N. Kawakatu +12

We present ALMA Band 6 observations of the CO(2-1), HCN(3-2), and HCO(3-2) lines in the nearby radio galaxy / brightest cluster galaxy (BCG) of NGC 1275 with the spatial reso…