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89 papers
New insights into the role of AGNs in forming the cluster red sequence
Rhythm Shimakawa, José Manuel Pérez-Martínez, Yusei Koyama +7
As a considerable investment of time from various telescope facilities were dedicated toward studying the Spiderweb protocluster at , it so far remains one of the most exten…
VLT/SINFONI study of black hole growth in high redshift radio-loud quasars from the CARLA survey
M. Marinello, R. A. Overzier, H. J. A. Röttgering +11
We present VLT/SINFONI observations of 35 quasars at 2.1 < z < 3.2, the majority of which were selected from the Clusters Around Radio-Loud AGN (CARLA) survey. CARLA quasars have l…
A spectroscopic study of a rich cluster at z=1.52 with Subaru LBT: the environmental impacts on the mass-metallicity relation
Shigeru V. Namiki, Yusei Koyama, Masao Hayashi +9
We present the results of our near-infrared (NIR) spectroscopic observations of a rich cluster candidate around a radio galaxy at (4C65.22) with Subaru/MOIRCS and LBT/LUCI…
MAHALO Deep Cluster Survey II. Characterizing massive forming galaxies in the Spiderweb protocluster at z=2.2
Rhythm Shimakawa, Yusei Koyama, Huub J. A. Rottgering +10
This paper is the second in a series presenting the results of our deep H-line survey towards protoclusters at , based on narrow-band imaging with the Subaru Telescope. Thi…
The SINS/zC-SINF survey of z~2 galaxy kinematics: SINFONI adaptive optics-assisted data and kiloparsec-scale emission line properties
N. M. Förster Schreiber, A. Renzini, C. Mancini +29
We present the "SINS/zC-SINF AO survey" of 35 star-forming galaxies, the largest sample with deep adaptive optics-assisted (AO) near-infrared integral field spectroscopy at z~2. Th…
The implications of the surprising existence of a large, massive CO disk in a distant protocluster
H. Dannerbauer, M. D. Lehnert, B. H. C. Emonts +18
It is not yet known if the properties of molecular gas in distant protocluster galaxies are significantly affected by their environment as galaxies are in local clusters. Through a…