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JWST and ALMA Multiple-Line Study in and around a Galaxy at : Optical to FIR Line Ratios and the Onset of an Outflow Promoting Ionizing Photon Escape
Seiji Fujimoto, Masami Ouchi, Kimihiko Nakajima +33
We present ALMA deep spectroscopy for a lensed galaxy at with whose optical nebular lines and stellar continuum are detec…
ALMA FIR View of Ultra High-redshift Galaxy Candidates at 11-17: Blue Monsters or Low- Red Interlopers?
Seiji Fujimoto, Steven L. Finkelstein, Denis Burgarella +50
We present ALMA Band~7 observations of a remarkably bright galaxy candidate at = (=), S5-z17-1, identified in JWST Early Releas…
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…