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Minor Contribution of Quasars to Ionizing Photon Budget at z~6: Update on Quasar Luminosity Function at the Faint-end with Subaru/Suprime-Cam
Masafusa Onoue, Nobunari Kashikawa, Chris J. Willott +16
We constrain the quasar contribution to cosmic reionization based on our deep optical survey of z~6 quasars down to z_R=24.15 using Subaru/Suprime-Cam in three UKIDSS-DXS fields co…
GOLDRUSH. III. A Systematic Search of Protoclusters at Based on the Area
Jun Toshikawa, Hisakazu Uchiyama, Nobunari Kashikawa +15
We conduct a systematic search for galaxy protoclusters at based on the latest internal data release (S16A) of the Hyper SuprimeCam Subaru strategic program (HSC-SSP). I…
GOLDRUSH. II. Clustering of Galaxies at Revealed with the Half-Million Dropouts Over the 100 deg Area Corresponding to 1 Gpc
Yuichi Harikane, Masami Ouchi, Yoshiaki Ono +15
We present clustering properties from 579,492 Lyman break galaxies (LBGs) at z~4-6 over the 100 deg^2 sky (corresponding to a 1.4 Gpc^3 volume) identified in early data of the Hype…
Enhancement of Galaxy Overdensity around Quasar Pairs at z<3.6 based on the Hyper Suprime-Cam Subaru Strategic Program Survey
Masafusa Onoue, Nobunari Kashikawa, Hisakazu Uchiyama +12
We investigate the galaxy overdensity around proto-cluster scale quasar pairs at high (z>3) and low (z~1) redshift based on the unprecedentedly wide and deep optical survey of the…
Luminous Quasars Do Not Live in the Most Overdense Regions of Galaxies at z~4
Hisakazu Uchiyama, Jun Toshikawa, Nobunari Kashikawa +22
We present the cross-correlation between 151 luminous quasars () and 179 protocluster candidates at , extracted from the Wide imaging survey ($…
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…
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…
A New Constraint on Reionization from Evolution of the Ly Luminosity Function at Probed by a Deep Census of Ly Emitter Candidates to 0.3
Kazuaki Ota, Masanori Iye, Nobunari Kashikawa +10
We detect 20 Ly emitter (LAE) candidates to erg s or and in Mpc volume in the Subaru D…