Abstract
We use a simple optical/infrared (IR) photometric selection of high-redshift QSOs that identifies a Lyman Break in the optical photometry and requires a red IR color to distinguish QSOs from common interlopers. The search yields 100 z~3 (U-dropout) QSO candidates with 19 <22 over 11.7 deg^2 in the ELAIS-N1 (EN1) and ELAIS-N2 (EN2) fields of the Spitzer Wide-area Infrared Extragalactic (SWIRE) Legacy Survey. The z~3 selection is reliable, with spectroscopic follow-up of 10 candidates confirming they are all QSOs at 2.83
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CITATION STYLE
Siana, B., del Carmen Polletta, M., Smith, H. E., Lonsdale, C. J., Gonzalez‐Solares, E., Farrah, D., … Oliver, S. (2008). High‐Redshift QSOs in the SWIRE Survey and the z ∼3 QSO Luminosity Function. The Astrophysical Journal, 675(1), 49–70. https://doi.org/10.1086/527025
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