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Clustering of infrared-bright dust-obscured galaxies revealed by the Hyper Suprime-Cam and WISE
Yoshiki Toba, Tohru Nagao, Masaru Kajisawa +20
We present measurements of the clustering properties of a sample of infrared (IR) bright dust-obscured galaxies (DOGs). Combining 125 deg of wide and deep optical images obtain…
The Complete Infrared View of Active Galactic Nuclei from the 70-month Swift/BAT Catalog
Kohei Ichikawa, Claudio Ricci, Yoshihiro Ueda +5
We systematically investigate the near- (NIR) to far-infrared (FIR) photometric properties of a nearly complete sample of local active galactic nuclei (AGN) detected in the Swift/B…
Near-infrared spectroscopy of nearby Seyfert galaxies: Is there evidence for the shock excitation in narrow-line regions?
Koki Terao, Tohru Nagao, Tetsuya Hashimoto +5
One of the unsettled, important problems in active galactic nuclei (AGNs) is the major ionization mechanism of gas clouds in their narrow-line regions (NLRs). In order to investiga…
Revisiting the Completeness and the Luminosity Function in High-Redshift Low-Luminosity Quasar Surveys
Mana Niida, Tohru Nagao, Hiroyuki Ikeda +4
Recent studies have derived quasar luminosity functions (QLFs) at various redshifts. However, the faint side of the QLF at high redshifts is still too uncertain. An accurate estima…
X-ray and infrared diagnostics of nearby active galactic nuclei with MAXI and AKARI
Naoki Isobe, Taiki Kawamuro, Shinki Oyabu +5
Nearby active galactic nuclei were diagnosed in the X-ray and mid-to-far infrared wavelengths, with Monitor of All-sky X-ray Image (MAXI) and the Japanese infrared observatory AKAR…
Subaru high-z exploration of low-luminosity quasars (SHELLQs). I. Discovery of 15 quasars and bright galaxies at 5.7 < z < 6.9
Yoshiki Matsuoka, Masafusa Onoue, Nobunari Kashikawa +36
We report the discovery of 15 quasars and bright galaxies at 5.7 < z < 6.9. This is the initial result from the Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs) projec…