activity
20122026
most citedInitial Results from the Nobeyama Molecular Gas Observations of Distant Bright Galaxies

18 citations · 36 across the 19 of their papers we have counts for

collaborators

20 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

Rest-Frame UV and Optical Structural Evolution of Narrowband-Selected Lyman-alpha Emitters at z = 2-7 with JWST/NIRCam

Ronaldo Laishram, Haruka Kusakabe, Satoshi Kikuta +8

We present a systematic study of the rest-frame ultraviolet (UV) and optical morphologies of Ly emitters (LAEs) at - from the SILVERRUSH multi-narrowband catalog,…

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.HE2026

A Type Ia Supernova Candidate at : A Transient Interloper in the Search for Galaxies

Seiji Toshikage, Takahiro Morishita, Masaomi Tanaka +9

The James Webb Space Telescope (JWST) is opening a new window into the distant Universe by discovering galaxies and transients in the early Universe. We investigate a high-redshift…

astro-ph.GA2026

A Compact Proto-group at : A Massive Galaxy Caught in Formation

Ronaldo Laishram, Yusei Koyama, Fengwu Sun +11

We report the discovery of SCGG-z5, a compact galaxy proto-group at in the MACS0416 field, identified from the SAPPHIRES Early Data Release. Six members are spectroscopi…

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.GA2026★ 1 cited

NOEMA3D: Resolving radial gas flows in disk galaxies at z~1.1-1.6 with high-resolution CO observations

Jean-Baptiste Jolly, Linda J. Tacconi, Reinhard Genzel +34

We present NOEMA3D, a unique high-resolution study of purely molecular gas kinematics at to 1.6, providing a dedicated view of cold gas dynamics at the late stages of…

astro-ph.GA2026

NOEMA3D: Extended CO, [C I] and dust in massive star-forming main-sequence galaxies at cosmic noon

Jianhang Chen, Linda J. Tacconi, Reinhard Genzel +34

We present a spatially resolved study of cold molecular gas and dust in ten main-sequence galaxies at z=1.1-1.6, using observations of CO(4-3), CO(3-2), [CI](1-0), and dust continu…

astro-ph.GA2026

BEACON: JWST NIRCam Pure-parallel Imaging Survey. IV. A Systematic Search for Galaxy Overdensities and Evidence for Gas Accretion Mode Transition

Ryo Albert Sutanto, Takahiro Morishita, Tadayuki Kodama +20

We systematically search for galaxy overdensities using 20 independent fields with a minimum of six filters (F090W, F115W, F150W, F277W, F356W, and F444W) from BEACON, the JWST Cyc…

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

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.GA2025

Ram-pressure stripping caught in action in a young cluster at

Ke Xu, Tao Wang, Emanuele Daddi +16

Galaxy clusters in the local Universe are dominated by massive quiescent galaxies with old ages, formed at high redshifts. Whether their quenching is driven by internal processes o…

astro-ph.GA2024

BEACON: JWST NIRCam Pure-parallel Imaging Survey. I. Survey Design and Initial Results

Takahiro Morishita, Charlotte A. Mason, Kimi C. Kreilgaard +32

We introduce the Bias-free Extragalactic Analysis for Cosmic Origins with NIRCam (BEACON) survey, a JWST Cycle2 program allocated up to 600 pure-parallel hours of observations. BEA…

astro-ph.GA2024

The MAGPI Survey: Insights into the Lyman-alpha line widths and the size of ionized bubbles at the edge of cosmic reionization

T. Mukherjee, T. Zafar, T. Nanayakkara +18

We present spectroscopic properties of 22 Lyman-alpha emitters(LAEs) at z=5.5-6.6 with Lyman-alpha(Lya) luminosity log([])=42.4-43.5, obtained using VLT/MUSE as…

astro-ph.GA2024

Deciphering Gas Dynamics and Star Formation in a z=1.1 Main Sequence Spiral Galaxy with ALMA and JWST

Zhaoran Liu, Tadayuki Kodama, Takahiro Morishita +6

We present a joint analysis of high-resolution CO(2-1) and Paschen- emission lines to trace gas dynamics and spatially resolved star formation in ASPECS-LP.3mm.06, a mai…

astro-ph.GA2016★ 16 cited

SXDF-ALMA 2 Arcmin^2 Deep Survey: Resolving and Characterizing the Infrared Extragalactic Background Light Down to 0.5 mJy

Yuki Yamaguchi, Yoichi Tamura, Kotaro Kohno +22

We present a multi-wavelength analysis of five submillimeter sources (S_1.1mm = 0.54-2.02 mJy) that were detected during our 1.1-mm-deep continuum survey in the SXDF-UDS-CANDELS fi…

astro-ph.CO2012★ 18 cited

Initial Results from the Nobeyama Molecular Gas Observations of Distant Bright Galaxies

D. Iono, B. Hatsukade, K. Kohno +37

We present initial results from the CO survey toward high redshift galaxies using the Nobeyama 45m telescope. Using the new wide bandwidth spectrometer equipped with a two-beam SIS…