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Monthly notices of the Royal Astronomical Society. Letters, ISSN 1745-3925, 2017, Volume 470, Issue 1, pp. L117 - L121
Understanding how quasars' (QSOs') ultraviolet (UV) radiation affects galaxy formation is vital to our understanding of the reionization era. Using a... 
Black hole physics | Galaxies: high-redshift | Physical Sciences | Astronomy & Astrophysics | Science & Technology
Journal Article
The Astrophysical journal. Supplement series, ISSN 1538-4365, 07/2018, Volume 237, Issue 1, p. 5
We report the discovery of 41 new high-z quasars and luminous galaxies that were spectroscopically identified at 5.7 <= z <= 6.9. This is the fourth in a... 
ages, reionization, first stars | intergalactic medium | quasars: general | quasars: supermassive black holes | galaxies: active | galaxies: high-redshift | Physical Sciences | Astronomy & Astrophysics | Science & Technology | Surveys | Quasars | Luminosity | Galaxies | Physics - Astrophysics of Galaxies
Journal Article
Monthly notices of the Royal Astronomical Society, ISSN 1365-2966, 09/2019, Volume 488, Issue 1, pp. 120 - 134
We first present new Subaru narrow-band observations of the Ly α halo around the quasi-stellar object (QSO) CFHQ J232908−030158 at z = 6.42, which appears the... 
Physical Sciences | Astronomy & Astrophysics | Science & Technology
Journal Article
The Astrophysical journal, ISSN 0004-637X, 10/2010, Volume 721, Issue 2, pp. 1680 - 1688
.... Printed in the U.S.A. A LARGE NUMBER OF z>6 GALAXIES AROUND A QSO A T z = 6.43: EVIDENCE FOR A PROTOCLUSTER? ∗ Yousuke Utsumi 1,2 , Tomotsugu Goto 3 , Nobunari... 
Galaxies: formation | Galaxies: high-redshift | Physical Sciences | Astronomy & Astrophysics | Science & Technology | TELESCOPES | RED SHIFT | GALAXY CLUSTERS | ULTRAVIOLET RADIATION | HYDRODYNAMICS | SIMULATION | PROBABILITY | FLUID MECHANICS | MECHANICS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | ELECTROMAGNETIC RADIATION | RADIATIONS | STARS | GALAXIES | UNIVERSE
Journal Article
The Astrophysical journal, ISSN 0004-637X, 09/2016, Volume 828, Issue 1, pp. 26 - 26
Journal Article
Publications of the Astronomical Society of Japan, ISSN 0004-6264, 01/2018, Volume 70, Issue SP1
Abstract We present wide-field (167 deg2) weak lensing mass maps from the Hyper Supreme-Cam Subaru Strategic Program (HSC-SSP). We compare these weak lensing... 
Dark matter-gravitational lensing | Weak-large-scale structure of universe | Physical Sciences | Astronomy & Astrophysics | Science & Technology | Physics - Cosmology and Nongalactic Astrophysics
Journal Article
Journal Article
Publications of the Astronomical Society of Japan, ISSN 0004-6264, 12/2019, Volume 71, Issue 6
This paper presents the second data release of the Hyper Suprime-Cam Subaru Strategic Program, a wide -field optical imaging survey using the 8.2 m Subaru... 
Physical Sciences | Astronomy & Astrophysics | Science & Technology | Surveys | ASTRONOMY AND ASTROPHYSICS | Astronomical databases | Cosmology: observations | Galaxies: general
Journal Article