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Quasar Luminosity Function at z = 7
Yoshiki Matsuoka, Masafusa Onoue, Kazushi Iwasawa +41
We present the quasar luminosity function (LF) at , measured with 35 spectroscopically confirmed quasars at . The sample of 22 quasars from the Subaru High-…
Star Formation Properties of Sloan Digital Sky Survey BOSS Void Galaxies in the Hyper Suprime-Cam Survey
Hung-Yu Jian, Lihwai Lin, Bau-Ching Hsieh +13
We utilize the Hyper Suprime-Cam (HSC) Wide Survey to explore the properties of galaxies located in the voids identified from the Baryon Oscillation Spectroscopic Survey (BOSS) up…
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). XVI. 69 New Quasars at 5.8 < z < 7.0
Yoshiki Matsuoka, Kazushi Iwasawa, Masafusa Onoue +41
We present the spectroscopic discovery of 69 quasars at 5.8 < z < 7.0, drawn from the Hyper Suprime-Cam (HSC) Subaru Strategic Program (SSP) imaging survey data. This is the 16th p…
Ionizing radiation from AGNs at z>3.3 with the Subaru Hyper Suprime-Cam Survey and the CFHT Large Area U-band Deep Survey (CLAUDS)
Ikuru Iwata, Marcin Sawicki, Akio K. Inoue +8
We use deep and wide imaging data from the CFHT Large Area U-band Deep Survey (CLAUDS) and the Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP) to constrain the ionizing radiat…
The eROSITA Final Equatorial-Depth Survey (eFEDS): A multiwavelength view of WISE mid-infrared galaxies/active galactic nuclei
Yoshiki Toba, Teng Liu, Tanya Urrutia +21
We investigate the physical properties--such as the stellar mass, SFR, IR luminosity, X-ray luminosity, and hydrogen column density--of MIR galaxies and AGN at in the 140 d…
The stellar mass in and around isolated central galaxies: connections to the total mass distribution through galaxy-galaxy lensing in the Hyper Suprime-Cam survey
Wenting Wang, Xiangchong Li, Jingjing Shi +7
Using photometric galaxies from the HSC survey, we measure the stellar mass density profiles for satellite galaxies as a function of the projected distance, , to isolated cent…
Signatures of large-scale cold fronts in the optically-selected merging cluster HSC J085024+001536
Keigo Tanaka, Ryuichi Fujimoto, Nobuhiro Okabe +5
We represent a joint X-ray, weak-lensing, and optical analysis of the optically-selected merging cluster, HSC J085024+001536, from the Subaru HSC-SSP survey. Both the member galaxy…
Redshift Evolution of Green Valley Galaxies in Different Environments from the Hyper Suprime-Cam Survey
Hung-Yu Jian, Lihwai Lin, Yusei Koyama +10
Green valley galaxies represent the population that is likely to transition from the star-forming to the quiescent phases. To investigate the role of the environment in quenching s…
Photometric Redshifts for the Hyper Suprime-Cam Subaru Strategic Program Data Release 2
Atsushi J. Nishizawa, Bau-Ching Hsieh, Masayuki Tanaka +1
We present a description of the second data release for the photometric redshift (photo-) of the Subaru Strategic Program for the Hyper-Suprime Cam survey. Our photo- product…
The Subaru HSC Galaxy Clustering with Photometric Redshift I: Dark Halo Masses Versus Baryonic Properties of Galaxies at 0.3<z<1.4
Shogo Ishikawa, Nobunari Kashikawa, Masayuki Tanaka +8
We present the clustering properties of low- galaxies selected by the Hyper Suprime-Cam Subaru Strategic Program Wide layer over deg. The wide-field and…
The CFHT Large Area U-band Deep Survey (CLAUDS)
Marcin Sawicki, Stephane Arnouts, Jiasheng Huang +37
The CFHT Large Area U-band Deep Survey (CLAUDS) uses data taken with the MegaCam mosaic imager on CFHT to produce images of 18.60 deg2 with median seeing of FWHM=0.92 arcsec and to…
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). X. Discovery of 35 Quasars and Luminous Galaxies at 5.7 z 7.0
Yoshiki Matsuoka, Kazushi Iwasawa, Masafusa Onoue +44
We report the discovery of 28 quasars and 7 luminous galaxies at 5.7 z 7.0. This is the tenth in a series of papers from the Subaru High-z Exploration of Low-Luminosity…
Discovery of the First Low-Luminosity Quasar at z > 7
Yoshiki Matsuoka, Masafusa Onoue, Nobunari Kashikawa +45
We report the discovery of a quasar at z = 7.07, which was selected from the deep multi-band imaging data collected by the Hyper Suprime-Cam (HSC) Subaru Strategic Program survey.…
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 …
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…
First results on the cluster galaxy population from the Subaru Hyper Suprime-Cam survey. III. Brightest cluster galaxies, stellar mass distribution, and active galaxies
Yen-Ting Lin, Bau-Ching Hsieh, Sheng-Chieh Lin +12
The unprecedented depth and area surveyed by the Subaru Strategic Program with the Hyper Suprime-Cam (HSC-SSP) have enabled us to construct and publish the largest distant cluster…
Deep Optical Imaging of the COSMOS Field with Hyper Suprime-Cam Using Data from the Subaru Strategic Program and the University of Hawaii
Masayuki Tanaka, Guenther Hasinger, John D. Silverman +18
We present the deepest optical images of the COSMOS field based on a joint dataset taken with Hyper Suprime-Cam (HSC) by the HSC Subaru Strategic Program (SSP) team and the Univers…
Clustering of quasars in a wide luminosity range at redshift 4 with Subaru Hyper Suprime-Cam wide field imaging
Wanqiu He, Masayuki Akiyama, James Bosch +25
We examine the clustering of quasars over a wide luminosity range, by utilizing 901 quasars at with photometrically se…
First results on the cluster galaxy population from the Subaru Hyper Suprime-Cam survey. I. The role of group or cluster environment in star formation quenching from z = 0.2 to 1.1
Hung-Yu Jian, Lihwai Lin, Masamune Oguri +6
We utilize the HSC CAMIRA cluster catalog and the photo- galaxy catalog constructed in the HSC wide field (S16A), covering 174 deg, to study the star formation acti…
The Quasar Luminosity Function at Redshift 4 with Hyper Suprime-Cam Wide Survey
Masayuki Akiyama, Wanqiu He, Hiroyuki Ikeda +24
We present the luminosity function of z=4 quasars based on the Hyper Suprime-Cam Subaru Strategic Program Wide layer imaging data in the g, r, i, z, and y bands covering 339.8 deg^…
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…
Photometric Redshifts for Hyper Suprime-Cam Subaru Strategic Program Data Release 1
Masayuki Tanaka, Jean Coupon, Bau-Ching Hsieh +6
Photometric redshifts are a key component of many science objectives in the Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP). In this paper, we describe and compare the codes u…
The nature of H-selected galaxies along the large-scale structure at z=0.4 revealed by Subaru Hyper Suprime-Cam survey
Yusei Koyama, Masao Hayashi, Masayuki Tanaka +13
We present the environmental dependence of colour, stellar mass, and star formation (SF) activity in H-alpha-selected galaxies along the large-scale structure at z=0.4 hosting twin…