130 citations · 1k across the 34 of their papers we have counts for
34 papers
Enhanced gas-phase metallicities and suppressed outflows for galaxies in a rich cluster core at cosmic noon
Kota Adachi, Tadayuki Kodama, Jose Manuel Pérez-Martínez +2
We present the result of near-infrared spectroscopy using Keck/MOSFIRE for 23 member galaxies in an X-ray cluster XCS2215 () to investigate the environmental dependence of…
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…
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…
JWST and ALMA discern the assembly of structural and obscured components in a high-redshift starburst galaxy
Zhaoxuan Liu, John D. Silverman, Emanuele Daddi +27
We present observations and analysis of the starburst, PACS-819, at z=1.45 ( M), using high-resolution (; 0.8 kpc) ALMA and multi-wav…
Spatial extent of molecular gas, dust, and stars in massive galaxies at z=2-2.5 determined with ALMA and JWST
Ken-ichi Tadaki, Tadayuki Kodama, Yusei Koyama +3
We present the results of 0.6"-resolution observations of CO J=3-2 line emission in 10 massive star-forming galaxies at z=2.2-2.5 with the Atacama Large Millimeter/submillimeter Ar…
A massive quiescent galaxy in a group environment at
Takumi Kakimoto, Masayuki Tanaka, Masato Onodera +10
We report on the spectroscopic confirmation of a massive quiescent galaxy at in the COSMOS field. The object was first identified as a galaxy with suppressed…
COSMOS-Web: An Overview of the JWST Cosmic Origins Survey
Caitlin M. Casey, Jeyhan S. Kartaltepe, Nicole E. Drakos +82
We present the survey design, implementation, and outlook for COSMOS-Web, a 255 hour treasury program conducted by the James Webb Space Telescope in its first cycle of observations…
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…
Revealing impacts of stellar mass and environment on galaxy quenching
Zhiying Mao, Tadayuki Kodama, Jose Manuel Pérez-Martínez +3
Galaxy quenching is a critical step in galaxy evolution. In this work, we present a statistical study of galaxy quenching in 17 cluster candidates at 0.5<z<1.0 in the COSMOS field.…
Low star-formation activity and low gas content of quiescent galaxies at 3.5-4.0 constrained with ALMA
Tomoko L. Suzuki, Karl Glazebrook, Corentin Schreiber +10
The discovery in deep near-infrared surveys of a population of massive quiescent galaxies at has given rise to the question of how they came to be quenched so early in the hi…
High-resolution ALMA study of CO (2-1) line and dust continuum emissions in cluster galaxies at z = 1.46
Ryota Ikeda, Ken-ichi Tadaki, Daisuke Iono +11
We present new Atacama Large Millimeter/submillimeter Array (ALMA) results obtained from spatially resolved CO =2-1 line ( resolution) and 870 m continuum ( res…
Environmental dependence of gas properties in a protocluster at z~2.5
Kohei Aoyama, Tadayuki Kodama, Tomoko L. Suzuki +5
In a protocluster USS1558-003 at z=2.53, galaxies in the dense cores show systematically elevated star-forming activities than those in less dense regions. To understand its origin…
Dust, gas, and metal content in star-forming galaxies at revealed with ALMA and Near-IR spectroscopy
Tomoko L. Suzuki, Masato Onodera, Tadayuki Kodama +8
We conducted sub-millimeter observations with the Atacama Large Millimeter/sub-millimeter Array (ALMA) of star-forming galaxies at , whose gas-phase metallicities have be…
Broad-band selection, spectroscopic identification, and physical properties of a population of extreme emission line galaxies at 3<z<3.7
Masato Onodera, Rhythm Shimakawa, Tomoko L. Suzuki +7
We present the selection, spectroscopic identification, and physical properties of extreme emission line galaxies (EELGs) at aiming at studying physical properties of an…
Structural evolution in massive galaxies at z~2
Ken-ichi Tadaki, Sirio Belli, Andreas Burkert +18
We present 0.2arcsec-resolution Atacama Large Millimeter/submillimeter Array observations at 870 m in a stellar mass-selected sample of 85 massive ($M_\mathrm{star}>10^{11}~M_\o…
Environmental impact on star-forming galaxies in a cluster during course of galaxy accretion
Tetsuro Asano, Tadayuki Kodama, Kentaro Motohara +18
Galaxies change their properties as they assemble into clusters. In order to understand the physics behind that, we need to go back in time and observe directly what is occurring i…
The whole picture of the large-scale structure of the CL1604 supercluster at z0.9
Masao Hayashi, Yusei Koyama, Tadayuki Kodama +8
We present the large-scale structure over more than 50 comoving Mpc scale at z 0.9 where the CL1604 supercluster, which is one of the largest structures ever known at high r…
Extended star-forming region within galaxies in a dense proto-cluster core at z=2.53
Tomoko L. Suzuki, Yosuke Minowa, Yusei Koyama +5
At , star-formation activity is thought to be high even in high-density environments such as galaxy clusters and proto-clusters. One of the critical but outstanding issues…
Do Galaxy Morphologies Really Affect the Efficiency of Star Formation during the Phase of Galaxy Transition?
Shuhei Koyama, Yusei Koyama, Takuji Yamashita +11
Recent simulations predict that the presence of stellar bulge suppress the efficiency of star formation in early-type galaxies, and this `morphological quenching' scenario is suppo…
Environmental impacts on molecular gas in protocluster galaxies at z~2
Ken-ichi Tadaki, Tadayuki Kodama, Masao Hayashi +12
We present the results from ALMA CO(3-2) observations of 66 Halpha-selected galaxies in three protoclusters around radio galaxies, PKS1138-262 (z=2.16) and USS1558-003 (z=2.53), an…
MAHALO Deep Cluster Survey II. Characterizing massive forming galaxies in the Spiderweb protocluster at z=2.2
Rhythm Shimakawa, Yusei Koyama, Huub J. A. Rottgering +10
This paper is the second in a series presenting the results of our deep H-line survey towards protoclusters at , based on narrow-band imaging with the Subaru Telescope. Thi…
Molecular gas reservoirs in cluster galaxies at z=1.46
Masao Hayashi, Ken-ichi Tadaki, Tadayuki Kodama +7
We present molecular gas reservoirs of eighteen galaxies associated with the XMMXCS J2215.9-1738 cluster at z=1.46. From Band 7 and Band 3 data of the Atacama Large Millimeter/subm…
MAHALO Deep Cluster Survey I. Accelerated and enhanced galaxy formation in the densest regions of a protocluster at z=2.5
Rhythm Shimakawa, Tadayuki Kodama, Masao Hayashi +6
We carried out deep H narrowband imaging with 10 hours net integrations towards the young protocluster, USS1558003 at with the Subaru Telescope. This system is compo…
The interstellar medium in [OIII]-selected star-forming galaxies at
Tomoko L. Suzuki, Tadayuki Kodama, Masato Onodera +11
We present new results from near-infrared spectroscopy with Keck/MOSFIRE of [OIII]-selected galaxies at . With our and -band spectra, we investigate the interstell…