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SHARC-II 350 micron Observations of Thermal Emission from Warm Dust in z>=5 Quasars
Ran Wang, Jeff Wagg, Chris L. Carilli +10
We present observations of four z>= SDSS quasars at 350 micron with the SHARC-II bolometer camera on the Caltech Submillimeter Observatory. These are among the deepest observations…
Four Faint T Dwarfs from the UKIRT Infrared Deep Sky Survey (UKIDSS) Southern Stripe
Kuenley Chiu, Michael C. Liu, Linhua Jiang +6
We present the optical and near-infrared photometry and spectroscopy of four faint T dwarfs newly discovered from the UKIDSS first data release. The sample, drawn from an imaged ar…
A Survey of z~6 Quasars in the SDSS Deep Stripe: I. a Flux-Limited Sample at z_{AB}<21
Linhua Jiang, Xiaohui Fan, James Annis +9
We present the discovery of five quasars at z~6 selected from 260 deg^2 of the Sloan Digital Sky Survey (SDSS) southern survey, a deep imaging survey obtained by repeatedly scannin…
Gemini Near-infrared Spectroscopy of Luminous z~6 Quasars: Chemical Abundances, Black Hole Masses, and MgII Absorption
Linhua Jiang, Xiaohui Fan, Marianne Vestergaard +4
We present Gemini near-infrared spectroscopic observations of six luminous quasars at z=5.86.3. Five of them were observed using Gemini-South/GNIRS, which provides a simultan…
Black hole masses and enrichment of z ~ 6 SDSS quasars
Jaron D. Kurk, Fabian Walter, Xiaohui Fan +7
We present sensitive near-infrared spectroscopic observations for a sample of five z ~ 6 quasars. These are amongst the most distant, currently known quasars in the universe. The s…
Millimeter and Radio Observations of z~6 Quasars
Ran Wang, Chris Carilli, Alexandre Beelen +8
We present millimeter and radio observations of 13 SDSS quasars at reshifts z~6. We observed eleven of them with the Max-Planck Millimeter Bolometer Array (MAMBO-2) at the IRAM 30m…