Publications (100)
The Subaru-XMM-Newton Deep Survey (SXDS) VIII.: Multi-wavelength Identification, Optical/NIR Spectroscopic Properties, and Photometric Redshifts of X-ray Sources
Masayuki Akiyama, Yoshihiro Ueda, Mike G. Watson +27
The Cosmic BPT Diagram: Confronting Theory with Observations
Lisa J. Kewley, Christian Maier, Kiyoto Yabe +4
The environments of Ly$α$ blobs I: Wide-field Ly$α$ imaging of TN J1338-1942, a powerful radio galaxy at $z\simeq 4.1$ associated with a giant Ly$α$ nebula
Tomoki Saito, Yuichi Matsuda, Cedric G. Lacey +10
The IRIS Far-Infrared Galaxy Survey : Expected Number Count, Redshift, and Perspective
Tsutomu T. Takeuchi, Hiroyuki Hirashita, Kouji Ohta +3
Probing Intergalactic Neutral Hydrogen by the Lyman Alpha Red Damping Wing of Gamma-Ray Burst 130606A Afterglow Spectrum at z = 5.913
Tomonori Totani, Kentaro Aoki, Takashi Hattori +7
The Subaru FMOS Galaxy Redshift Survey (FastSound). III. The mass-metallicity relation and the fundamental metallicity relation at $z\sim1.4$
Kiyoto Yabe, Kouji Ohta, Masayuki Akiyama +13
Stellar Populations of Lyman-alpha Emitters at z=4.86: A Comparison to $z\sim5$ LBGs
Suraphong Yuma, Kouji Ohta, Kiyoto Yabe +5
The Subaru FMOS Galaxy Redshift Survey (FastSound). I. Overview of the Survey Targeting on H$α$ Emitters at $z \sim 1.4$
Motonari Tonegawa, Tomonori Totani, Hiroyuki Okada +23
The Fibre Multi-Object Spectrograph (FMOS) for Subaru Telescope
Masahiko Kimura, Toshinori Maihara, Fumihide Iwamuro +39
J-GEM Follow-Up Observations of The Gravitational Wave Source GW151226
Michitoshi Yoshida, Yousuke Utsumi, Nozomu Tominaga +35
OISTER Optical and Near-Infrared Monitoring Observations of a Peculiar Radio-Loud Active Galactic Nucleus SDSS J110006.07+442144.3
Tomoki Morokuma, Masaomi Tanaka, Yasuyuki T. Tanaka +80
Intrinsic Shape of Star-Forming BzK Galaxies at z~2 in GOODS-N
Suraphong Yuma, Kouji Ohta, Kiyoto Yabe +2
Very compact millimeter sizes for composite star-forming/AGN submillimeter galaxies
Soh Ikarashi, Karina Caputi, Kouji Ohta +20
Implications for the Cosmic Reionization from the Optical Afterglow Spectrum of the Gamma-Ray Burst 050904 at z = 6.3
Tomonori Totani, Nobuyuki Kawai, George Kosugi +5
Gas-to-dust ratio in massive star-forming galaxies at z~1.4
Akifumi Seko, Kouji Ohta, Kiyoto Yabe +3
Optical Identification of the ASCA Medium Sensitivity Survey in the Northern Sky: Nature of Hard X-ray-selected Luminous Active Galactic Nuclei
Masayuki Akiyama, Yoshihiro Ueda, Kouji Ohta +2
Alma Twenty-six Arcmin^2 Survey Of Goods-s At One-millimeter (asagao): Source Catalog And Number Counts
Bunyo Hatsukade, Kotaro Kohno, Yuki Yamaguchi +29
Constraint on the Gas-to-Dust Ratio in Massive Star-Forming Galaxies at z~1.4
Akifumi Seko, Kouji Ohta, Bunyo Hatsukade +3
Chandra Observations and Optical Identification of Hard X-ray Sources Discovered with ASCA
Shin Watanabe, Masayuki Akiyama, Yoshihiro Ueda +4
Large velocity dispersion of molecular gas in bars of strongly barred galaxies, NGC 1300 and NGC 5383
Fumiya Maeda, Kouji Ohta, Yusuke Fujimoto +2
The Subaru FMOS Galaxy Redshift Survey (FastSound). II. The Emission Line Catalog and Properties of Emission Line Galaxies
Hiroyuki Okada, Tomonori Totani, Motonari Tonegawa +14
Expected Sub-mm Emission and Dust Properties of Lyman Break Galaxies at High Redshift
Masami Ouchi, Toru Yamada, Hideaki Kawai +1
CO Observations of a FeLoBAL Quasar with an H alpha Absorption Line at z=2.3
Kouji Ohta, Gaku Kiuchi, Kouichiro Nakanishi +5
No Evidence for Variability of Intervening Absorption Lines toward GRB 060206: Implications for the Mg II Incidence Problem
Kentaro Aoki, Tomonori Totani, Takashi Hattori +6
On the Nature of AX J2049.6+2939 and AX J2050.0+2914
Emi Miyata, Kouji Ohta, Kenichi Torii +4
The Largest Blueshifts of [O III] emission line in Two Narrow-Line Quasars
Kentaro Aoki, Toshihiro Kawaguchi, Kouji Ohta
ALMA Observation of 158 micron [CII] Line and Dust Continuum of a z=7 Normally Star-forming Galaxy in the Epoch of Reionization
Kazuaki Ota, Fabian Walter, Kouji Ohta +16
Physical properties of near-Earth asteroids with a low delta-${\it v}$: Survey of target candidates for the Hayabusa2 mission
Sunao Hasegawa, Daisuke Kuroda, Kohei Kitazato +40
SXDF-ALMA 2 Arcmin^2 Deep Survey: Resolving and Characterizing the Infrared Extragalactic Background Light Down to 0.5 mJy
Yuki Yamaguchi, Yoichi Tamura, Kotaro Kohno +22
The Redshift and Metallicity of the Host Galaxy of Dark GRB 080325 at z=1.78
Tetsuya Hashimoto, Daniel A. Perley, Kouji Ohta +5
Molecular Gas Properties in the Host Galaxy of GRB080207
Bunyo Hatsukade, Tetsuya Hashimoto, Kotaro Kohno +5
Evolution of Cosmic Molecular Gas Mass Density From z ~ 0 to z = 1 -1.5
Fumiya Maeda, Kouji Ohta, Akifumi Seko
Deficiency of large equivalent width Lyman-alpha emission in luminous Lyman break galaxies at z~5-6?
Masataka Ando, Kouji Ohta, Ikuru Iwata +3
Optical Identification of the ASCA Lynx Deep Survey: An Association of QSOs and a Supercluster at z=1.3?
Kouji Ohta, Masayuki Akiyama, Yoshihiro Ueda +6
Color Gradients in Early-Type Galaxies in Clusters at the Redshift from 0.37 to 0.56
Naoyuki Tamura, Kouji Ohta
Subaru Hyper Suprime-Cam Survey for An Optical Counterpart of GW170817
Nozomu Tominaga, Masaomi Tanaka, Tomoki Morokuma +31
An extended star cluster at the outer edge of the spiral galaxy M33
Rima Stonkute, Vladas Vansevicius, Nobuo Arimoto +6
The mass-metallicity relation at z~1.4 revealed with Subaru/FMOS
Kiyoto Yabe, Kouji Ohta, Fumihide Iwamuro +16
NIR Spectroscopy of Star-Forming Galaxies at z~1.4 with Subaru/FMOS: The Mass-Metallicity Relation
Kiyoto Yabe, Kouji Ohta, Fumihide Iwamuro +16
The Subaru FMOS galaxy redshift survey (FastSound). IV. New constraint on gravity theory from redshift space distortions at $z\sim 1.4$
Teppei Okumura, Chiaki Hikage, Tomonori Totani +22
Cosmological Evolution of the Hard X-ray AGN Luminosity Function and the Origin of the Hard X-ray Background
Yoshihiro Ueda, Masayuki Akiyama, Kouji Ohta +1
The Long Faint Tail of the High-Redshift Galaxy Population
Marcin Sawicki, Ikuru Iwata, Kouji Ohta +6
The gas inflow and outflow rate in star-forming galaxies at $z\sim1.4$
Kiyoto Yabe, Kouji Ohta, Masayuki Akiyama +5
Optical-to-Near-Infrared Simultaneous Observations for the Hot Uranus GJ3470b: A Hint for Cloud-free Atmosphere
Akihiko Fukui, Norio Narita, Kenji Kurosaki +15
A candidate of a type-2 QSO at z=0.9: Large X-ray absorption with a strong broad-H-alpha emission line
Masayuki Akiyama, Kouji Ohta, Yoshihiro Ueda
A comparative analysis of virial black-hole mass estimates of moderate-luminosity active galactic nuclei using Subaru/FMOS
Kenta Matsuoka, John D. Silverman, Malte Schramm +27
High-redshift Ly alpha emitters with a large equivalent width: Properties of i-dropout galaxies with an NB921-band depression in the Subaru Deep Field
Tohru Nagao, Takashi Murayama, Roberto Maiolino +11
Radial Variation of Optical and Near-Infrared Colours in Luminous Early-Type Galaxies in ABELL 2199
Naoyuki Tamura, Kouji Ohta
Differential Evolution of Lyman Break Galaxies from $z$=5 to 3
Ikuru Iwata, Kouji Ohta, Marcin Sawicki +3
SXDF-ALMA 2-arcmin^2 Deep Survey: Stacking of Rest-Frame Near-Infrared Selected Objects
Wei-Hao Wang, Kotaro Kohno, Bunyo Hatsukade +24
Why Are Some Gamma-Ray Bursts Hosted by Oxygen-rich Galaxies?
Tetsuya Hashimoto, Ravi Chaudhary, Kouji Ohta +5
Extremely Red Submillimeter Galaxies: New z>~4-6 Candidates Discovered using ALMA and Jansky VLA
Soh Ikarashi, R. J. Ivison, Karina I. Caputi +18
When did round disk galaxies form?
Tomoe M. Takeuchi, Kouji Ohta, Suraphong Yuma +1
Compact starbursts in z~3-6 submillimeter galaxies revealed by ALMA
Soh Ikarashi, R. J. Ivison, Karina I. Caputi +17
Dust from Comet 209P/LINEAR during its 2014 Return: Parent Body of a New Meteor Shower, the May Camelopardalids
Masateru Ishiguro, Daisuke Kuroda, Hidekazu Hanayama +29
Host Galaxies of Hard X-ray Selected Type-2 Active Galactic Nuclei at Intermediate Redshifts
Gaku Kiuchi, Kouji Ohta, Masayuki Akiyama +2
A Bar Fuels a Super-Massive Black Hole?: Host Galaxies of Narrow-Line Seyfert 1 Galaxies
Kouji Ohta, Kentaro Aoki, Toshihiro Kawaguchi +1
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
An Extremely Red Nucleus in an Absorbed QSO at z=0.65
Masayuki Akiyama, Kouji Ohta
Discovery of a Giant Lya Emitter Near the Reionization Epoch
Masami Ouchi, Yoshiaki Ono, Eiichi Egami +24
CO Observations of the Host Galaxy of GRB000418 at z = 1.1
Bunyo Hatsukade, Kotaro Kohno, A. Endo +2
Color Gradients in Early-Type Galaxies in ABELL 2199
Naoyuki Tamura, Kouji Ohta
A Subaru/Suprime-Cam wide-field survey of globular cluster populations around M87 - I: Observation, data analysis, and luminosity function
Naoyuki Tamura, Ray M. Sharples, Nobuo Arimoto +3
Lyman Break Galaxies at $z\sim5$: Rest-Frame UV Spectra
Masataka Ando, Kouji Ohta, Ikuru Iwata +4
Supermassive Black Hole Mass Functions at Intermediate Redshifts from Spheroid and AGN Luminosity Functions
Naoyuki Tamura, Kouji Ohta, Yoshihiro Ueda
Full-Fledged Dwarf Irregular Galaxy Leo A
Vladas Vansevicius, Nobuo Arimoto, Takashi Hasegawa +8
Origin of Color Gradients in Elliptical Galaxies
Naoyuki Tamura, Chiaki Kobayashi, Nobuo Arimoto +2
Constraints on Obscured Star Formation in Host Galaxies of Gamma-ray Bursts
Bunyo Hatsukade, Tetsuya Hashimoto, Kouji Ohta +3
A Search for CO(J=3-2) Emission from the Host Galaxy of GRB 980425 with the Atacama Submillimeter Telescope Experiment
Bunyo Hatsukade, Kotaro Kohno, Akira Endo +14
The Stellar Populations of Lyman Break Galaxies at $z\sim5$
Kiyoto Yabe, Kouji Ohta, Ikuru Iwata +4
Kilonova from post-merger ejecta as an optical and near-infrared counterpart of GW170817
Masaomi Tanaka, Yousuke Utsumi, Paolo A. Mazzali +42
Photometric Observations of 107P/Wilson-Harrington
Seitaro Urakawa, Shin-ichiro Okumura, Kota Nishiyama +14
MOIRCS Deep Survey. VI. Near-Infrared Spectroscopy of K-Selected Star-Forming Galaxies at z~2
Tomohiro Yoshikawa, Masayuki Akiyama, Masaru Kajisawa +13
Optical-Infrared Properties of Faint 1.3 mm Sources Detected with ALMA
Bunyo Hatsukade, Kouji Ohta, Kiyoto Yabe +3
A Challenge to Identify an Optical Counterpart of the Gravitational Wave Event GW151226 with Hyper Suprime-Cam
Yousuke Utsumi, Nozomu Tominaga, Masaomi Tanaka +15
2014-2015 Multiple Outbursts of 15P/Finlay
Masateru Ishiguro, Daisuke Kuroda, Hidekazu Hanayama +21
A Rich Cluster of Galaxies Near the Quasar B2 1335+28 at z=1.1: Color Distribution and Star-Formation Properties
Ichi Tanaka, Toru Yamada, Alfonso Aragón-Salamanca +4
SXDF-ALMA 2 arcmin$^2$ Deep Survey: 1.1-mm Number Counts
Bunyo Hatsukade, Kotaro Kohno, Hideki Umehata +18
A Search for Lyman alpha Emitters at Redshift 3.7
Shinobu S. Fujita, Masaru Ajiki, Yasuhiro Shioya +25
The hardest X-ray source in the ASCA Large Sky Survey: Discovery of a new type 2 Seyfert
Masaaki Sakano, Katsuji Koyama, Takeshi Tsuru +6
A Subaru/Suprime-Cam wide-field survey of globular cluster populations around M87 - II: Colour and spatial distribution
Naoyuki Tamura, Ray M. Sharples, Nobuo Arimoto +3
Near-Infrared Colors of Hard X-ray Selected Active Galactic Nuclei
Chisato Watanabe, Kouji Ohta, Masayuki Akiyama +1
J-GEM observations of an electromagnetic counterpart to the neutron star merger GW170817
Yousuke Utsumi, Masaomi Tanaka, Nozomu Tominaga +57
Large Area Survey for z=7 Galaxies in SDF and GOODS-N: Implications for Galaxy Formation and Cosmic Reionization
Masami Ouchi, Bahram Mobasher, Kazuhiro Shimasaku +10
The Stellar Populations of Lyman Break Galaxies at z~5
Kiyoto Yabe, Kouji Ohta, Ikuru Iwata +4
AGN Populations from Optical Identification of ASCA Surveys
Masayuki Akiyama, Yoshihiro Ueda, Kouji Ohta
Interpretation of (596) Scheila's Triple Dust Tails
Masateru Ishiguro, Hidekazu Hanayama, Sunao Hasegawa +16
Constraint on the inflow/outflow rates in star-forming galaxies at z~1.4 from molecular gas observations
Akifumi Seko, Kouji Ohta, Kiyoto Yabe +5
Outbursting Comet P/2010 V1 (Ikeya-Murakami): A Miniature Comet Holmes
Masateru Ishiguro, David Jewitt, Hidekazu Hanayama +10
Faint End of 1.3 mm Number Counts Revealed by ALMA
Bunyo Hatsukade, Kouji Ohta, Akifumi Seko +2
Multi-band, Multi-epoch Observations of the Transiting Warm Jupiter WASP-80b
Akihiko Fukui, Yui Kawashima, Masahiro Ikoma +22
Properties of the Interstellar Medium in Star-Forming Galaxies at z~1.4 revealed with ALMA
Akifumi Seko, Kouji Ohta, Kiyoto Yabe +5
FIELD: An automated emission-line detection software for Subaru/FMOS near-infrared spectroscopy
Motonari Tonegawa, Tomonori Totani, Fumihide Iwamuro +6
Lyman Break Galaxies at z~5: Rest-Frame UV Spectra. III
Hiroki Kajino, Kouji Ohta, Ikuru Iwata +6
J-GEM Follow-Up Observations to Search for an Optical Counterpart of The First Gravitational Wave Source GW150914
Tomoki Morokuma, Masaomi Tanaka, Yuichiro Asakura +22
Monitoring Observations of the Jupiter-Family Comet 17P/Holmes during 2014 Perihelion Passage
Yuna Grace Kwon, Masateru Ishiguro, Hidekazu Hanayama +15
Lyman Break Galaxies at z~5: Rest-frame UV Spectra II
Masataka Ando, Kouji Ohta, Ikuru Iwata +3
Submillimeter Observations of Low Metallicity Galaxy NGC 4214
Gaku Kiuchi, Kouji Ohta, Marcin Sawicki +1
A Revised Estimate of the CO (J=1-0) Emission from the Host Galaxy of GRB 030329 Using the Nobeyama Millimeter Array
Akira Endo, Kotaro Kohno, Bunyo Hatsukade +9
Discovery of H alpha absorption in the unusual broad absorption line quasar SDSS J083942.11+380526.3
Kentaro Aoki, Ikuru Iwata, Kouji Ohta +3