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CO(=1-0) mapping survey of 64 galaxies in the Fornax cluster with the ALMA Morita array
Kana Morokuma-Matsui, Kenji Bekki, Jing Wang +18
We conduct a CO(=1-0) (hereafter CO) mapping survey of 64 galaxies in the Fornax cluster using the ALMA Morita array in cycle 5. CO emission is detected from 23 ou…
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…
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…
EMPRESS. IX. Extremely Metal-Poor Galaxies are Very Gas-Rich Dispersion-Dominated Systems: Will JWST Witness Gaseous Turbulent High-z Primordial Galaxies?
Yuki Isobe, Masami Ouchi, Kimihiko Nakajima +49
We present kinematics of 6 local extremely metal-poor galaxies (EMPGs) with low metallicities () and low stellar masses (). Tak…
EMPRESS. VIII. A New Determination of Primordial He Abundance with Extremely Metal-Poor Galaxies: A Suggestion of the Lepton Asymmetry and Implications for the Hubble Tension
Akinori Matsumoto, Masami Ouchi, Kimihiko Nakajima +42
The primordial He abundance is a powerful probe of cosmology. Currently, is best determined by observations of metal-poor galaxies, while there are on…
Star Formation Properties of Sloan Digital Sky Survey BOSS Void Galaxies in the Hyper Suprime-Cam Survey
Hung-Yu Jian, Lihwai Lin, Bau-Ching Hsieh +13
We utilize the Hyper Suprime-Cam (HSC) Wide Survey to explore the properties of galaxies located in the voids identified from the Baryon Oscillation Spectroscopic Survey (BOSS) up…