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astro-ph.CO2009★ 20 cited
Subaru FOCAS Spectroscopic Observations of High-Redshift Supernovae
Tomoki Morokuma, Kouichi Tokita, Christopher Lidman +30
We present spectra of high-redshift supernovae (SNe) that were taken with the Subaru low resolution optical spectrograph, FOCAS. These SNe were found in SN surveys with Suprime-Cam…
astro-ph.CO2009★ 34 cited
A QSO host galaxy and its Lyalpha emission at z=6.43
Tomotsugu Goto, Yousuke Utsumi, Hisanori Furusawa +2
We report an optical detection of an extended structure around a QSO at z=6.43 (CFHQSJ2329-0301, the highest redshift QSO currently known) in deep z' and z_r-band images of the Sub…