activity
20072025
most citedThe Hyper Suprime-Cam SSP Survey: Overview and Survey Design

1.1k citations · 2.4k across the 24 of their papers we have counts for

collaborators

24 papers

astro-ph.GA2025

The outflow impacts on the size of the narrow-line region among type-2 AGNs

Kantapon Jensangjun, Suraphong Yuma

We present the study of the gas kinematics in narrow-line regions (NLRs) of 2,009 type-2 AGNs at . We construct the [O III]5007 emission-line images using publicly avail…

astro-ph.GA2024★ 3 cited

Morphological evolution of disk galaxies and their concentration, asymmetry and clumpiness (CAS) properties in simulations across Toomre's parameter

Teeraparb Chantavat, Suraphong Yuma, Punnapha Malelohit +1

We investigate the morphological and structural evolutions of disk galaxies in simulations for a wide range of Toomre's parameter. In addition to the inspection of conventional…

astro-ph.GA2019★ 7 cited

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…

astro-ph.EP2018★ 13 cited

A Large Ground-Based Observing Campaign of the Disintegrating Planet K2-22b

Knicole D. Colón, George Zhou, Avi Shporer +27

We present 45 ground-based photometric observations of the K2-22 system collected between December 2016 and May 2017, which we use to investigate the evolution of the transit of th…

astro-ph.GA2017★ 137 cited

SILVERRUSH. III. Deep Optical and Near-Infrared Spectroscopy for Lya and UV-Nebular Lines of Bright Lya Emitters at z=6-7

Takatoshi Shibuya, Masami Ouchi, Yuichi Harikane +23

We present Lya and UV-nebular emission line properties of bright Lya emitters (LAEs) at z=6-7 with a luminosity of log L_Lya/[erg s-1] = 43-44 identified in the 21-deg2 area of the…

astro-ph.GA2017★ 51 cited

SILVERRUSH. II. First Catalogs and Properties of ~2,000 Lya Emitters and Blobs at z~6-7 Identified over the 14-21 deg2 Sky

Takatoshi Shibuya, Masami Ouchi, Akira Konno +19

We present an unprecedentedly large catalog consisting of 2,230 > L* Lya emitters (LAEs) at z=5.7 and 6.6 on the 13.8 and 21.2 deg2 sky, respectively, that are identified by the SI…

astro-ph.GA2017★ 211 cited

Great Optically Luminous Dropout Research Using Subaru HSC (GOLDRUSH). I. UV Luminosity Functions at Derived with the Half-Million Dropouts on the 100 deg Sky

Yoshiaki Ono, Masami Ouchi, Yuichi Harikane +23

We study the UV luminosity functions (LFs) at , , and based on the deep large-area optical images taken by the Hyper Suprime-Cam (HSC) Subaru strategic program…

astro-ph.IM2017★ 1.1k cited

The Hyper Suprime-Cam SSP Survey: Overview and Survey Design

H. Aihara, N. Arimoto, R. Armstrong +139

Hyper Suprime-Cam (HSC) is a wide-field imaging camera on the prime focus of the 8.2m Subaru telescope on the summit of Maunakea in Hawaii. A team of scientists from Japan, Taiwan…

astro-ph.GA2017★ 18 cited

Systematic Survey for [OII], [OIII], and H Blobs at : The Implication for Evolution of Galactic-Scale Outflow

Suraphong Yuma, Masami Ouchi, Alyssa B. Drake +3

We conduct a systematic search for galaxies at with [OII], [OIII], or H emission lines extended over at least 30 kpc by using de…

astro-ph.GA2015★ 82 cited

Statistical Properties of Diffuse Lyman-alpha Halos around Star-forming Galaxies at z~2

Rieko Momose, Masami Ouchi, Kimihiko Nakajima +6

We present statistical properties of diffuse Lyman-alpha halos (LAHs) around high- star-forming galaxies with large Subaru samples of Lyman-alpha emitters (LAEs) at . We…

astro-ph.GA2015★ 9 cited

Evolution of Star Formation in the UKIDSS Ultra Deep Survey Field - II. Star Formation as a Function of Stellar Mass Between z=1.46 and z=0.63

Alyssa B. Drake, Chris Simpson, Ivan K. Baldry +6

We present new results on the evolution of the cosmic star formation rate as a function of stellar mass in the SXDS-UDS field. We make use of narrow-band selected emission line gal…

astro-ph.GA2014★ 18 cited

The gas inflow and outflow rate in star-forming galaxies at

Kiyoto Yabe, Kouji Ohta, Masayuki Akiyama +5

We try to constrain the gas inflow and outflow rate of star-forming galaxies at by employing a simple analytic model for the chemical evolution of galaxies. The sample i…

astro-ph.GA2014★ 11 cited

MOSFIRE and LDSS3 Spectroscopy for an [OII] Blob at z=1.18: Gas Outflow and Energy Source

Yuichi Harikane, Masami Ouchi, Suraphong Yuma +3

We report our Keck/MOSFIRE and Magellan/LDSS3 spectroscopy for an [OII] Blob, OIIB10, that is a high- galaxy with spatially extended [OII] emission over 30 kp…

astro-ph.CO2014★ 161 cited

Diffuse Lyman-alpha Halos around Galaxies at z=2.2-6.6: Implications for Galaxy Formation and Cosmic Reionization

Rieko Momose, Masami Ouchi, Kimihiko Nakajima +6

We present diffuse Lyman-alpha halos (LAHs) identified in the composite Subaru narrowband images of 100-3600 Lyman-alpha emitters (LAEs) at z=2.2, 3.1, 3.7, 5.7, and 6.6. First, we…

astro-ph.CO2014★ 171 cited

Accelerated Evolution of Ly Luminosity Function at Revealed by the Subaru Ultra-Deep Survey for Ly Emitters at

Akira Konno, Masami Ouchi, Yoshiaki Ono +8

We present the ultra-deep Subaru narrowband imaging survey for Lya emitters (LAEs) at in SXDS and COSMOS fields with a total integration time of 106 hours. Exploiting our n…

astro-ph.CO2014★ 57 cited

What is the Physical Origin of Strong Lya Emission? I. Demographics of Lya Emitter Structures

Takatoshi Shibuya, Masami Ouchi, Kimihiko Nakajima +5

We present the results of structure analyses for a large sample of 426 Lya emitters (LAEs) at z~2.2 that are observed with HST/ACS and WFC3-IR by deep extra-galactic legacy surveys…

astro-ph.CO2013★ 84 cited

The mass-metallicity relation at z~1.4 revealed with Subaru/FMOS

Kiyoto Yabe, Kouji Ohta, Fumihide Iwamuro +16

We present a stellar mass-metallicity relation at z~1.4 with an unprecedentedly large sample of ~340 star-forming galaxies obtained with FMOS on the Subaru Telescope. We observed K…

astro-ph.CO2013★ 21 cited

First Systematic Search for Oxygen-Line Blobs at High Redshift: Uncovering AGN Feedback and Star-Formation Quenching

Suraphong Yuma, Masami Ouchi, Alyssa B. Drake +8

We present the first systematic search for extended metal-line [OII]λλ3726,3729 nebulae, or [OII] blobs (OIIBs), at z=1.2 using deep narrowband imaging with a survey volume of 1.9x…

astro-ph.CO2012★ 25 cited

Intrinsic Shape of Star-Forming BzK Galaxies II: Rest-Frame UV and Optical Structures in GOODS-South and SXDS

Suraphong Yuma, Kouji Ohta, Kiyoto Yabe

(Abridge) We study statistical intrinsic shape of star-forming BzK galaxies (sBzK galaxies) at z~2 in both rest-frame UV and rest-frame optical wavelengths. The sBzK galaxies are s…

astro-ph.CO2011★ 109 cited

NIR Spectroscopy of Star-Forming Galaxies at z~1.4 with Subaru/FMOS: The Mass-Metallicity Relation

Kiyoto Yabe, Kouji Ohta, Fumihide Iwamuro +16

We present near-infrared spectroscopic observations of star-forming galaxies at z~1.4 with FMOS on the Subaru Telescope. We observed K-band selected galaxies in the SXDS/UDS fields…

astro-ph.CO2011★ 22 cited

Intrinsic Shape of Star-Forming BzK Galaxies at z~2 in GOODS-N

Suraphong Yuma, Kouji Ohta, Kiyoto Yabe +2

We study structure of star-forming galaxies at z~2 in GOODS-N field selected as sBzK galaxies down to K_{AB} <24.0 mag. Among 1029 sBzK galaxies, 551 galaxies (54%) show a single c…

astro-ph.CO2010★ 31 cited

Stellar Populations of Lyman-alpha Emitters at z=4.86: A Comparison to LBGs

Suraphong Yuma, Kouji Ohta, Kiyoto Yabe +5

(abridged) We present a study of stellar population of LAEs at z=4.86 in GOODS-N and its flanking field. With the publicly available IRAC data in GOODS-N and further IRAC observati…

astro-ph.CO2009★ 5 cited

Lyman Break Galaxies at z~5: Rest-Frame UV Spectra. III

Hiroki Kajino, Kouji Ohta, Ikuru Iwata +6

We present results of optical spectroscopic observations of candidates of Lyman Break Galaxies (LBGs) at in the region including the GOODS-N and the J0053+1234 region by…

astro-ph2007★ 37 cited

Lyman Break Galaxies at z~5: Rest-frame UV Spectra II

Masataka Ando, Kouji Ohta, Ikuru Iwata +3

We present the results of spectroscopy of Lyman Break Galaxies (LBGs) at z~5 in the J0053+1234 field with the Faint Object Camera and Spectrograph on the Subaru telescope. Among 5…