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Balmer Break Galaxy Candidates at : a Potential View on the Star-Formation Activity at
Ken Mawatari, Akio K. Inoue, Takuya Hashimoto +15
We search for galaxies with a strong Balmer break (Balmer Break Galaxies; BBGs) at over a 0.41 deg effective area in the COSMOS field. Based on rich imaging data, in…
The ALPINE-ALMA [CII] Survey: Multi-Wavelength Ancillary Data and Basic Physical Measurements
A. L. Faisst, D. Schaerer, B. C. Lemaux +37
We present the ancillary data and basic physical measurements for the galaxies in the ALMA Large Program to Investigate C+ at Early Times (ALPINE) survey - the first large multi-wa…
The ALPINE-ALMA [CII] survey: Star-formation-driven outflows and circumgalactic enrichment in the early Universe
M. Ginolfi, G. C. Jones, M. Bethermin +29
We study the efficiency of galactic feedback in the early Universe by stacking the [C II] 158 um emission in a large sample of normal star-forming galaxies at 4 < z < 6 from the AL…
Large Population of ALMA Galaxies at z>6 with Very High [OIII]88um to [CII]158um Flux Ratios: Evidence of Extremely High Ionization Parameter or PDR Deficit?
Yuichi Harikane, Masami Ouchi, Akio K. Inoue +20
We present our new ALMA observations targeting [OIII]88um, [CII]158um, [NII]122um, and dust continuum emission for three Lyman break galaxies at z=6.0293-6.2037 identified in the S…
Extremely Metal-Poor Representatives Explored by the Subaru Survey (EMPRESS). I. A Successful Machine Learning Selection of Metal-Poor Galaxies and the Discovery of a Galaxy with M*<10^6 M_sun and 0.016 Z_sun
Takashi Kojima, Masami Ouchi, Michael Rauch +18
We have initiated a new survey for local extremely metal-poor galaxies (EMPGs) with Subaru/Hyper Suprime-Cam (HSC) large-area (~500 deg^2) optical images reaching a 5 sigma limit o…
3D Distribution Map of HI Gas and Galaxies Around an Enormous Ly Nebula and Three QSOs at Revealed by the HI Tomographic Mapping Technique
Shiro Mukae, Masami Ouchi, Zheng Cai +21
We present an IGM HI tomography map in a survey volume of (cMpc) centered at MAMMOTH-1 nebula and three neighbouring…
Truth or delusion? A possible gravitational lensing interpretation of the ultra-luminous quasar SDSS J010013.02+280225.8 at
Seiji Fujimoto, Masamune Oguri, Tohru Nagao +2
Gravitational lensing sometimes dominates the observed properties of apparently very bright objects. We present morphological properties in the high-resolution (FWHM )…
ADF22: Blind detections of [CII] line emitters shown to be spurious
Natsuki H. Hayatsu, Rob J. Ivison, Paola Andreani +12
We report Atacama Large Millimetre/submillimeter Array (ALMA) Cycle-5 follow-up observations of two candidate [CII] emitters at z ~ 6 in the ALMA deep field in SSA22 (ADF22). The c…
A Giant Green Pea Identified in the Spectroscopy of Spatially Extended [OIII] Sources
Suraphong Yuma, Masami Ouchi, Seiji Fujimoto +2
We present the results of the deep Subaru/FOCAS and Keck/MOSFIRE spectroscopy for four spatially extended [O III]4959,5007 sources, dubbed [O III] blobs, at that ar…
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs) VIII. A less biased view of the early co-evolution of black holes and host galaxies
Takuma Izumi, Masafusa Onoue, Yoshiki Matsuoka +24
We present ALMA [CII] line and far-infrared (FIR) continuum observations of three low-luminosity quasars () discovered by our Subaru Hyper Suprime-Cam (…
ALMA twenty-six arcmin survey of GOODS-S at one-millimeter (ASAGAO): Near-infrared-dark faint ALMA sources
Yuki Yamaguchi, Kotaro Kohno, Bunyo Hatsukade +21
We report detections of two 1.2 mm continuum sources ( ~ 0.6 mJy) without any counterparts in the deep - and/or -band image (i.e., -band magnitude $\gtrs…
SILVERRUSH. VIII. Spectroscopic Identifications of Early Large Scale Structures with Protoclusters Over 200 Mpc at z~6-7: Strong Associations of Dusty Star-Forming Galaxies
Yuichi Harikane, Masami Ouchi, Yoshiaki Ono +32
We have obtained three-dimensional maps of the universe in comoving Mpc (cMpc) volumes each at and based on a spectroscopic sample…
First Identification of 10-kpc Scale [CII] 158um Halos around Star-Forming Galaxies at z=5-7
Seiji Fujimoto, Masami Ouchi, Andrea Ferrara +7
We report the discovery of 10-kpc scale [CII] 158um halos surrounding star-forming galaxies in the early Universe. We choose deep ALMA data of 18 galaxies each with a star-formatio…