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Large Scale Environment of a Luminous Quasar Probed by Ly Emitters and Lyman Break Galaxies
Kazuaki Ota, Bram P. Venemans, Yoshiaki Taniguchi +10
Quasars (QSOs) hosting supermassive black holes are believed to reside in massive halos harboring galaxy overdensities. However, many observations revealed average or low galaxy de…
Active Galactic Nucleus Environments and Feedback to Neighboring Galaxies at Probed by Lyman-Alpha Emitters
Satoshi Kikuta, Masatoshi Imanishi, Yoshiki Matsuoka +3
Active galactic nuclei (AGNs) in the high-redshift Universe are thought to reside in overdense environments. However, recent works provide controversial results partly due to the u…
The nature of H-selected galaxies along the large-scale structure at z=0.4 revealed by Subaru Hyper Suprime-Cam survey
Yusei Koyama, Masao Hayashi, Masayuki Tanaka +13
We present the environmental dependence of colour, stellar mass, and star formation (SF) activity in H-alpha-selected galaxies along the large-scale structure at z=0.4 hosting twin…
The halo of M49 and its environment as traced by planetary nebulae
J. Hartke, M. Arnaboldi, A. Longobardi +4
The galaxy M49 (NGC 4472) is the brightest early-type galaxy in the Virgo Cluster. It is located in Subcluster B and has an unusually blue, metal-poor outer halo. Planetary nebulae…
A New Constraint on Reionization from Evolution of the Ly Luminosity Function at Probed by a Deep Census of Ly Emitter Candidates to 0.3
Kazuaki Ota, Masanori Iye, Nobunari Kashikawa +10
We detect 20 Ly emitter (LAE) candidates to erg s or and in Mpc volume in the Subaru D…
A New Constraint on the Ly Fraction of UV Very Bright Galaxies at Redshift 7
Hisanori Furusawa, Nobunari Kashikawa, Masakazu A. R. Kobayashi +15
We study the extent to which very bright (-23.0 < MUV < -21.75) Lyman-break selected galaxies at redshifts z~7 display detectable Lya emission. To explore this issue, we have obtai…