'6 quasars' diaporamas de présentation

The Most Distant Quasars

The Most Distant Quasars. Xiaohui Fan University of Arizona June 7, 2010. Collaborators: Brandt, Carilli, de Rosa, Jiang , Kurk, Richards, Schneider, Shen, Strauss, Vestergaard, Walter, Wang. Background: 46,420 Quasars from the SDSS Data Release Three. Quasar of the day.

248 views • 24 slides

Probing Reionization with z>6 Quasars

287 views • 21 slides

NICMOS Spectra of z~6 Quasars I ESA Press Release HEIC0306

NICMOS Spectra of z~6 Quasars I ESA Press Release HEIC0306. Observations at z~6, the Fe II bands are shifted to ??1.5 to 1.9 ?m NICMOS has unique capability to observe spectra in this band QSOs at H~19 can easily reached with NICMOS grism G141

125 views • 2 slides