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Massive starburst galaxies in a z=2.16 proto-cluster unveiled by panoramic H-alpha mapping
Yusei Koyama, Tadayuki Kodama, Ken-ichi Tadaki +5
We present a panoramic narrow-band study of H-alpha emitters in the field of the z=2.16 proto-cluster around PKS1138-262 using MOIRCS on the Subaru Telescope. We find 83 H-alpha em…
A star-bursting proto-cluster in making associated to a radio galaxy at z=2.53 discovered by H_alpha imaging
Masao Hayashi, Tadayuki Kodama, Ken-ichi Tadaki +2
We report a discovery of a proto-cluster in vigorous assembly and hosting strong star forming activities, associated to a radio galaxy USS 1558-003 at z=2.53, as traced by a wide-f…
Early-type galaxies at z = 1.3. I. The Lynx supercluster: cluster and groups at z=1.3. Morphology and color-magnitude relation
Simona Mei, S. Adam Stanford, Brad P. Holden +18
We confirm the detection of 3 groups in the Lynx supercluster, at z~1.3, and give their redshifts and masses. We study the properties of the group galaxies as compared to the centr…
A large scale structure traced by [OII] emitters hosting a distant cluster at z=1.62
Ken-ichi Tadaki, Tadayuki Kodama, Kazuaki Ota +6
We present a panoramic narrow-band imaging survey of [OII] emitters in and around the ClG J0218.3-0510 cluster at z=1.62 with Suprime-Cam on Subaru telescope. 352 [OII] emitters we…