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A Substellar Companion to the Intermediate-Mass Giant 11 Com
Y. J. Liu, Bun'ei Sato, G. Zhao +16
We report the detection of a substellar companion orbiting the intermediate-mass giant star 11 Com (G8 III). Precise Doppler measurements of the star from Xinglong station and Okay…
The Subaru/XMM-Newton Deep Survey (SXDS). IV. Evolution of Lya Emitters from z=3.1 to 5.7 in the 1 deg^2 Field: Luminosity Functions and AGN
Masami Ouchi, Kazuhiro Shimasaku, Masayuki Akiyama +13
We present luminosity functions (LFs) and various properties of Lya emitters (LAEs) at z=3.1, 3.7, and 5.7, in a 1 deg^2 sky of the Subaru/XMM-Newton Deep Survey (SXDS) Field. We o…
Deep Spectroscopy of Systematically Surveyed Extended Lyman-alpha Sources at z~3-5
Tomoki Saito, Kazuhiro Shimasaku, Sadanori Okamura +4
Spatially extended Ly-alpha sources that are faint and/or compact in coninuum are candidates for extremely young (~< 10^7 yrs) galaxies at high redshifts. We present medium-resolut…
MITSuME--Multicolor Imaging Telescopes for Survey and Monstrous Explosions
T. Kotani, N. Kawai, K. Yanagisawa +25
Development of MITSuME is reported. Two 50-cm optical telescopes have been built at Akeno in Yamanashi prefecture and at Okayama Astrophysical Observatory (OAO) in Okayama prefectu…
The Remarkable 60 x 2 kpc Optical Filament Associated with a Poststarburst Galaxy in Coma Cluster
Masafumi Yagi, Yutaka Komiyama, Michitoshi Yoshida +4
In the deep narrow band image of the Coma Cluster taken with Suprime-Cam of the Subaru telescope, we found an extremely long and narrow (~ 60 kpc x 2 kpc) Halpha emitting region as…