Search Results - "Matsuhara, Hideo"
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How Does the Polar Dust Affect the Correlation between Dust Covering Factor and Eddington Ratio in Type 1 Quasars Selected from the Sloan Digital Sky Survey Data Release 16?
Published in The Astrophysical journal (01-05-2021)“…Abstract We revisit the dependence of the covering factor (CF) of dust torus on physical properties of active galactic nuclei (AGNs) by taking into account an…”
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Extreme Nature of Four Blue-excess Dust-obscured Galaxies Revealed by Optical Spectroscopy
Published in The Astrophysical journal (01-12-2022)“…Abstract We report optical spectroscopic observations of four blue-excess dust-obscured galaxies (BluDOGs) identified by the Subaru Hyper Suprime-Cam. BluDOGs…”
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Subaru/HSC deep optical imaging of infrared sources in the AKARI North Ecliptic Pole-Wide field
Published in Monthly notices of the Royal Astronomical Society (01-02-2021)“…ABSTRACT We present a five-broad-band (grizy) photometric catalogue of Subaru/Hyper Suprime-Cam (HSC) optical imaging observations at around the North Ecliptic…”
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4
The Calibration of Polycyclic Aromatic Hydrocarbon Dust Emission as a Star Formation Rate Indicator in the AKARI NEP Survey
Published in The Astrophysical journal (01-10-2024)“…Abstract Polycyclic aromatic hydrocarbon (PAH) dust emission has been proposed as an effective extinction-independent star formation rate (SFR) indicator in…”
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An extinction-free AGN selection by 18-band SED fitting in mid-infrared in the AKARI NEP deep field
Published in Monthly notices of the Royal Astronomical Society (11-11-2017)“…Abstract We have developed an efficient active galactic nucleus (AGN) selection method using 18-band spectral energy distribution (SED) fitting in mid-infrared…”
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Search for Optically Dark Infrared Galaxies without Counterparts of Subaru Hyper Suprime-Cam in the AKARI North Ecliptic Pole Wide Survey Field
Published in The Astrophysical journal (01-08-2020)“…We present the physical properties of AKARI sources without optical counterparts in optical images from the Hyper Suprime-Cam (HSC) on the Subaru telescope…”
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The mass–metallicity relation of AKARI-FMOS infrared galaxies at z ∼ 0.88 in the AKARI North Ecliptic Pole Deep Survey Field
Published in Publications of the Astronomical Society of Japan (01-08-2017)“…Abstract The mass, metallicity, and star formation rate (SFR) of a galaxy are crucial parameters in understanding galaxy formation and evolution. However, the…”
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Cold Molecular Gas Along the Merger Sequence in Local Luminous Infrared Galaxies
Published in The Astrophysical journal (01-08-2017)“…We present an initial result from the 12CO (J = 1-0) survey of 79 galaxies in 62 local luminous and ultraluminous infrared galaxy (LIRG and ULIRG) systems…”
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Extinction-free Census of AGNs in the AKARI/IRC North Ecliptic Pole Field from 23-band infrared photometry from Space Telescopes
Published in Monthly notices of the Royal Astronomical Society (01-12-2020)“…ABSTRACT In order to understand the interaction between the central black hole and the whole galaxy or their co-evolution history along with cosmic time, a…”
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A Universal Correlation between Star Formation Activity and Molecular Gas Properties Across Environments
Published in The Astrophysical journal (01-10-2017)“…We present the molecular gas mass fraction ( ) and star formation efficiency (SFE) of local galaxies on the basis of our new CO( ) observations with the…”
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An active galactic nucleus recognition model based on deep neural network
Published in Monthly notices of the Royal Astronomical Society (14-01-2021)“…ABSTRACT To understand the cosmic accretion history of supermassive black holes, separating the radiation from active galactic nuclei (AGNs) and star-forming…”
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Do Galaxy Morphologies Really Affect the Efficiency of Star Formation During the Phase of Galaxy Transition?
Published in The Astrophysical journal (01-04-2019)“…Recent simulations predict that the presence of the stellar bulge suppress the efficiency of star formation (SF) in early-type galaxies, and this…”
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The evolution of merger fraction of galaxies at z < 0.6 depending on the star formation mode in the AKARI NEP-Wide Field
Published in Monthly notices of the Royal Astronomical Society (01-11-2021)“…ABSTRACT We study the galaxy merger fraction and its dependence on star formation mode in the 5.4 deg2 of the North Ecliptic Pole-Wide Field. We select 6352…”
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CLUSTERING OF INFRARED-BRIGHT DUST-OBSCURED GALAXIES REVEALED BY THE HYPER SUPRIME-CAM AND WISE
Published in The Astrophysical journal (20-01-2017)“…ABSTRACT We present measurements of the clustering properties of a sample of infrared (IR) bright dust-obscured galaxies (DOGs). Combining 125 deg2 of wide and…”
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Optically detected galaxy cluster candidates in the AKARI North Ecliptic Pole field based on photometric redshift from the Subaru Hyper Suprime-Cam
Published in Monthly notices of the Royal Astronomical Society (01-10-2021)“…ABSTRACT Galaxy clusters provide an excellent probe in various research fields in astrophysics and cosmology. However, the number of galaxy clusters detected…”
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Mid-infrared Excess from the West Hot Spot of the Radio Galaxy Pictor A Unveiled by WISE
Published in The Astrophysical journal (01-12-2017)“…Mid-infrared properties are reported of the west hot spot of the radio galaxy Pictor A with the Wide-field Infrared Survey Explorer (WISE). The mid-infrared…”
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17
Does AGN fraction depend on redshift or luminosity? An extinction-free test by 18-band near- to mid-infrared SED fitting in the AKARI NEP wide field
Published in Publications of the Astronomical Society of Japan (01-04-2019)“…Abstract Revealing what fraction of galaxies harbor active galactic nuclei (AGNs) is central to understanding the black hole accretion history of the universe…”
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Hyper-luminous dust-obscured galaxies discovered by the Hyper Suprime-Cam on Subaru and WISE
Published in Publications of the Astronomical Society of Japan (05-10-2015)“…We present the photometric properties of a sample of infrared (IR) bright dust-obscured galaxies (DOGs). Combining wide and deep optical images obtained with…”
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The Herschel-PACS North Ecliptic Pole Survey
Published in Publications of the Astronomical Society of Japan (01-01-2019)“…Abstract A detailed analysis of Herschel/Photoconductor Array Camera and Spectrometer (PACS) observations at the North Ecliptic Pole is presented. High-quality…”
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The Infrared Camera (IRC) for AKARI–Design and Imaging Performance
Published in Publications of the Astronomical Society of Japan (10-10-2007)“…The Infrared Camera (IRC) is one of two focal-plane instruments on the AKARI satellite. It is designed for wide-field deep imaging and low-resolution…”
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