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Multi-Wavelength Studies of Spectacular Ram Pressure Stripping of a Galaxy. II. Star Formation in the Tail
Masafumi Yagi, Liyi Gu, Yutaka Fujita +5
With multiband photometric data in public archives, we detected four intracluster star-forming regions in the Virgo cluster. Two of them were at a projected distance of 35 kpc away…
Discovery of nine extended ionized gas clouds in a z=0.4 cluster
Masafumi Yagi, Liyi Gu, Yusei Koyama +4
From deep H-alpha imaging data of Suprime-Cam/Subaru, we discovered nine extended ionized gas clouds (EIG) around galaxies in Abell 851 cluster (A851) at z=0.4. We surveyed 30 x 25…
A Keck/LRIS Spatially-Resolved Spectroscopic Study of a LINER Galaxy SDSS J091628.05+420818.7
Hyun-Jin Bae, Jong-Hak Woo, Masafumi Yagi +2
Using spatially-resolved spectra obtained with the Low Resolution Imaging Spectrometer at the Keck I telescope, we investigate the nature of ionizing sources and kinematic properti…
Kinematics and excitation of the ram pressure stripped ionized gas filaments in the Coma cluster of galaxies
Michitoshi Yoshida, Masafumi Yagi, Yutaka Komiyama +4
We present the results of deep imaging and spectroscopic observations of very extended ionized gas (EIG) around four member galaxies of the Coma cluster of galaxies: RB199, IC4040,…
Spectropolarimetry of the superwind filaments of the starburst galaxy M82: kinematics of dust outflow
Michitoshi Yoshida, Koji S. Kawabata, Youichi Ohyama
Spectropolarimetry results for the starburst galaxy M82 are presented. The optical emission lines of the filaments in the energetic outflow ("superwind") from the nuclear starburst…
Statistics of 207 Lya Emitters at a Redshift Near 7: Constraints on Reionization and Galaxy Formation Models
Masami Ouchi, Kazuhiro Shimasaku, Hisanori Furusawa +12
We present Lya luminosity function (LF), clustering measurements, and Lya line profiles based on the largest sample, to date, of 207 Lya emitters (LAEs) at z=6.6 on the 1-deg^2 sky…