Browsing by Author "Oyabu, S."

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    • Ultraviolet Fe II emission in z ∼ 2 quasars 
      Sameshima, H.; Maza Sancho, José; Matsuoka, Y.; Oyabu, S.; Kawara, K.; Yoshii, Y.; Asami, N.; Ienaka, N.; Tsuzuki, Y. (WILEY-BLACKWELL PUBLISHING, 2009)
      We present spectra of six luminous quasars at z ∼ 2, covering rest wavelengths 1600−3200 Å. The fluxes of the UV Fe II emission lines and MgII λ2798 doublet, the line widths of Mg II and the 3000 Å luminosity were obtained ...