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Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). V. Quasar Luminosity Function and Contribution to Cosmic Reionization at z = 6
Yoshiki Matsuoka, Michael A. Strauss, Nobunari Kashikawa +44
We present new measurements of the quasar luminosity function (LF) at , over an unprecedentedly wide range of the rest-frame ultraviolet luminosity from …
Morphologies of ~190,000 Galaxies at z=0-10 Revealed with HST Legacy Data. III. Continuum Profile and Size Evolution of Lya Emitters
Takatoshi Shibuya, Masami Ouchi, Yuichi Harikane +1
We present the redshift evolution of the radial surface brightness (SB) profile of the rest-frame UV and optical stellar continua for 9119 Lya emitters (LAEs) at z~0-8 and 0-2, res…
"Big Three Dragons": a z = 7.15 Lyman BreakGalaxy Detected in [OIII] 88 m, [CII] 158 m, and Dust Continuum with ALMA
Takuya Hashimoto, Akio K. Inoue, Ken Mawatari +18
We present new ALMA observations and physical properties of a Lyman Break Galaxy at z=7.15. Our target, B14-65666, has a bright ultra-violet (UV) absolute magnitude, $M_{\rm UV}\ap…
The onset of star formation 250 million years after the Big Bang
Takuya Hashimoto, Nicolas Laporte, Ken Mawatari +21
A fundamental quest of modern astronomy is to locate the earliest galaxies and study how they influenced the intergalactic medium a few hundred million years after the Big Bang. Th…
The distribution and physical properties of high-redshift [OIII] emitters in a cosmological hydrodynamics simulation
Kana Moriwaki, Naoki Yoshida, Ikkoh Shimizu +7
Recent observations with the Atacama Large Millimeter/submillimeter Array (ALMA) detected far-infrared emission lines such as the [OIII] 88 μm line from galaxies at .…
CHORUS II. Subaru/HSC Determination of the Ly Luminosity Function at : Constraints on Cosmic Reionization Model Parameter
Ryohei Itoh, Masami Ouchi, Haibin Zhang +16
We present the Ly luminosity function (LF) derived from 34 Ly emitters (LAEs) at on the sky of deg, the largest sample compared to those in the literature o…
Large Scale Environment of a Luminous Quasar Probed by Ly Emitters and Lyman Break Galaxies
Kazuaki Ota, Bram P. Venemans, Yoshiaki Taniguchi +10
Quasars (QSOs) hosting supermassive black holes are believed to reside in massive halos harboring galaxy overdensities. However, many observations revealed average or low galaxy de…
The dominant origin of diffuse Ly halos around LAEs explored by SED fitting and clustering analysis
Haruka Kusakabe, Kazuhiro Shimasaku, Rieko Momose +6
The physical origin of diffuse Ly halos (LAHs) around star-forming galaxies is still a matter of debate. We present the dependence of LAH luminosity () on the st…
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). IV. Discovery of 41 Quasars and Luminous Galaxies at 5.7 < z < 6.9
Y. Matsuoka, K. Iwasawa, M. Onoue +44
We report discovery of 41 new high-z quasars and luminous galaxies, which were spectroscopically identified at 5.7 < z < 6.9. This is the fourth in a series of papers from the Suba…
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs) III. Star formation properties of the host galaxies at studied with ALMA
Takuma Izumi, Masafusa Onoue, Hikari Shirakata +26
We present our ALMA Cycle 4 measurements of the [CII] emission line and the underlying far-infrared (FIR) continuum emission from four optically low-luminosity ($M_{\rm 1450} > -25…
SILVERRUSH. VII. Subaru/HSC Identifications of 42 Protocluster Candidates at z~6-7 with the Spectroscopic Redshifts up to z=6.574: Implications for Cosmic Reionization
Ryo Higuchi, Masami Ouchi, Yoshiaki Ono +17
We report fourteen and twenty-eight protocluster candidates at z=5.7 and 6.6 over 14 and 19 deg^2 areas, respectively, selected from 2,230 (259) Lya emitters (LAEs) photometrically…
SILVERRUSH. VI. A simulation of Ly emitters in the reionization epoch and a comparison with Subaru Hyper Suprime-Cam survey early data
Akio K. Inoue, Kenji Hasegawa, Tomoaki Ishiyama +12
The survey of Lyman emitters (LAEs) with Subaru Hyper Suprime-Cam, called SILVERRUSH (Ouchi et al.), is producing massive data of LAEs at . Here we present LAE simul…