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SCUBA-2 Ultra Deep Imaging Eao Survey (Studies) III: Multi-wavelength properties, luminosity functions and preliminary source catalog of 450-m-selected galaxies
Chen-Fatt Lim, Wei-Hao Wang, Ian Smail +35
We construct a SCUBA-2 450-m map in the COSMOS field that covers an area of 300 arcmin and reaches a 1 noise level of 0.65 mJy in the deepest region. We extract 256 sou…
Planck far-infrared detection of Hyper Suprime-Cam protoclusters at : hidden AGN and star formation activity
Mariko Kubo, Jun Toshikawa, Nobunari Kashikawa +11
We perform a stacking analysis of {\it Planck}, {\it AKARI}, Infrared Astronomical Satellite (), Wide-field Infrared Survey Eplorer (), and {\it Herschel} images of the…
Torus Constraints in ANEPD-CXO245: A Compton-thick AGN with Double-Peaked Narrow Lines
Takamitsu Miyaji, Martín Herrera-Endoqui, Mirko Krumpe +18
We report on the torus constraints of the Compton-thick AGN with double-peaked optical narrow line region (NLR) emission lines, ANEPD-CXO245, at z=0.449 in the AKARI NEP Deep Field…
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…
A young galaxy cluster in the old Universe
Tetsuya Hashimoto, Tomotsugu Goto, Rieko Momose +4
Galaxies evolve from a blue star-forming phase into a red quiescent one by quenching their star formation activity. In high density environments, this galaxy evolution proceeds ear…
Star-formation rates of two GRB host galaxies at z~2 and a [CII] deficit observed with ALMA
Tetsuya Hashimoto, Bunyo Hatsukade, Tomotsugu Goto +6
Event rate of long Gamma-Ray Bursts (GRBs) is expected to be an useful tracer of the cosmic star-formation history. For this purpose, it is necessary to understand what kind of sta…
Luminosity-duration relation of fast radio bursts
Tetsuya Hashimoto, Tomotsugu Goto, Ting-Wen Wang +3
Nature of dark energy remains unknown. Especially, to constrain the time variability of the dark-energy, a new, standardisable candle that can reach more distant Universe has been…
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs) VIII. A less biased view of the early co-evolution of black holes and host galaxies
Takuma Izumi, Masafusa Onoue, Yoshiki Matsuoka +24
We present ALMA [CII] line and far-infrared (FIR) continuum observations of three low-luminosity quasars () discovered by our Subaru Hyper Suprime-Cam (…
AGN selection in the AKARI NEP deep field with the fuzzy SVM algorithm
Artem Poliszczuk, Aleksandra Solarz, Agnieszka Pollo +14
The aim of this work is to create a new catalog of reliable AGN candidates selected from the AKARI NEP-Deep field. Selection of the AGN candidates was done by applying a fuzzy SVM…
CO luminosity-Linewidth correlation of low and high redshift galaxies and its possible cosmological utilization
Yi-han Wu, Tomotsugu Goto, Ece Kilerci Eser +4
A linear correlation has been proposed between the CO luminosity () and full-width at half maximum (FWHM) for high-redshift (z > 1) submillimeter galaxie…
Characteristics of mid-infrared PAH emission from star-forming galaxies selected at 250 μm in the North Ecliptic Pole (NEP) field
Seong Jin Kim, Woong-Seob Jeong, Tomotsugu Goto +11
Evolutionary properties of infrared (IR) luminous galaxies are important keys to understand dust-obscured star formation history and galaxy evolution. Based on the near- to mid-IR…
Infrared luminosity functions based on 18 mid-infrared bands: revealing cosmic star formation history with AKARI and Hyper Suprime-Cam
Tomotsugu Goto, Nagisa Oi, Yousuke Utsumi +21
Much of the star formation is obscured by dust. For the complete understanding of the cosmic star formation history (CSFH), infrared (IR) census is indispensable. AKARI carried out…
Does AGN Fraction Depend on Redshift or Luminosity? An Extinction-Free Test by 18-band Mid-infrared SED Fitting in the AKARI NEP Wide Field
Chia-Ying Chiang, Tomotsugu Goto, Tetsuya Hashimoto +3
Revealing what fraction of galaxies harbor AGN is central in understanding black hole accretion history of the Universe. However, optical and soft X-ray surveys miss the most highl…
SILVERRUSH. VIII. Spectroscopic Identifications of Early Large Scale Structures with Protoclusters Over 200 Mpc at z~6-7: Strong Associations of Dusty Star-Forming Galaxies
Yuichi Harikane, Masami Ouchi, Yoshiaki Ono +32
We have obtained three-dimensional maps of the universe in comoving Mpc (cMpc) volumes each at and based on a spectroscopic sample…
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.…
Rapid Black Hole Growth at the Dawn of the Universe: A Super-Eddington Quasar at z=6.6
Ji-Jia Tang, Tomotsugu Goto, Youichi Ohyama +7
We present the analysis of a new near-infrared (NIR) spectrum of a recently discovered quasar PSO J006+39 in an attempt to explore the early growth of supermassive black…