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Most Lensed Quasars at z > 6 are Missed by Current Surveys

  • Authors: Fabio Pacucci, and Abraham Loeb

2019 The Astrophysical Journal Letters 870 L12.

  • Provider: AAS Journals

Caption: Figure 2.

Distribution of image separations at z = 6.51, obtained assuming a Press–Schechter distribution of galaxies, following Barkana & Loeb (2000). The shaded area indicates the 1σ uncertainty due to the distribution of velocity dispersion in galaxies σv. The angular separation for J0439+1634 (∼0.″2), the HST angular resolution (∼0.″1), and the typical angular size of lens galaxies at z ∼ 1 (∼1″) are also shown for reference.

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