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Probing the M-sigma Relation in the Non-Local Universe Using Red QSOs
Gabriela Canalizo, Margrethe Wold, Kyle D. Hiner +3
We describe a method to measure the M-sigma relation in the non-local universe using dust-obscured QSOs. We present results from a pilot sample of nine 2MASS red QSOs with redshift…
No Evidence for Lyman-alpha Emission in Spectroscopy of z > 7 Candidate Galaxies
Joseph Caruana, Andrew J. Bunker, Stephen M. Wilkins +5
We present Gemini/GNIRS spectroscopic observations of 4 z-band (z~7) dropout galaxies and VLT/XSHOOTER observations of one z-band dropout and 3 Y-band (z~8-9) dropout galaxies in t…
Evidence for Significant Growth in the Stellar Mass of Brightest Cluster Galaxies over the Past 10 Billion Years
C. Lidman, J. Suherli, A. Muzzin +17
Using new and published data, we construct a sample of 160 brightest cluster galaxies (BCGs) spanning the redshift interval 0.03 < z < 1.63. We use this sample, which covers 70% of…
Spitzer Observations of Young Red Quasars
Tanya Urrutia, Mark Lacy, Henrik Spoon +3
We present mid-infrared spectra and photometry of thirteen redshift 0.4<z<1 dust-reddened quasars obtained with Spitzer IRS and MIPS. We compare properties derived from their infra…
FIRST-2MASS Red Quasars: Transitional Objects Emerging from the Dust
Eilat Glikman, Tanya Urrutia, Mark Lacy +8
We present a sample of 120 dust-reddened quasars identified by matching radio sources detected at 1.4 GHz in the FIRST survey with the near-infrared 2MASS catalog and color-selecti…
The Nature of LoBAL QSOs: I. SEDs and mid-infrared spectral properties
Mariana S. Lazarova, Gabriela Canalizo, Mark Lacy +1
We have obtained Spitzer IRS spectra and MIPS 24, 70, and 160 micron photometry for a volume-limited sample of 22 SDSS-selected Low-ionization Broad Absorption Line QSOs (LoBALs) a…