The WISE-2MASS Survey: Red Quasars Into the Radio Quiet Regime

  title={The WISE-2MASS Survey: Red Quasars Into the Radio Quiet Regime},
  author={Eilat Glikman and Mark Lacy and Stephanie M. LaMassa and Charles K. Bradley and S. George Djorgovski and Tanya Urrutia and Elinor L. Gates and Matthew J. Graham and Megan C. Urry and I. Yoon},
  journal={The Astrophysical Journal},
We present a highly complete sample of broad-line (Type 1) QSOs out to z ∼ 3 selected by their mid-infrared colors, a method that is minimally affected by dust reddening. We remove host-galaxy emission from the spectra and fit for excess reddening in the residual QSOs, resulting in a Gaussian distribution of colors for unreddened (blue) QSOs, with a tail extending toward heavily reddened (red) QSOs, defined as having E(B − V) > 0.25. This radio-independent selection method enables us to compare… 

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