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- W3105285626 endingPage "49" @default.
- W3105285626 startingPage "49" @default.
- W3105285626 abstract "Quasar proximity zones at correspond to overdense and overionized environments. Galaxies found inside proximity zones can therefore display features that would otherwise be masked by absorption in the intergalactic medium. We demonstrate the utility of this quasar-galaxy synergy by reporting the discovery of the first three proximate Lyα emitters (LAEs) within the proximity zone of quasar J0836+0054 at z = 5.795 (Aerith A, B, and C). Aerith A, located behind the quasar with an impact parameter pkpc, provides the first detection of an Lyα transverse proximity effect. We model the transmission and show that it constrains the onset of J0836's quasar phase to in the past. The second object, Aerith B at a distance pkpc from the quasar, displays a bright and broad double-peaked Lyα emission line. The peak separation implies a low ionizing . We fit the Lyα line with an outflowing shell model, finding a typical central density , outflow velocity km s−1, and gas temperature compared to analog LAEs. We detect object Aerith C via an Lyα emission line at z = 5.726. This corresponds with the edge of the quasar's proximity zone (), suggesting that the proximity zone is truncated by a density fluctuation. Via the analyses conducted here, we illustrate how proximate LAEs offer unique insight into the ionizing properties of both quasars and galaxies during hydrogen reionization." @default.
- W3105285626 created "2020-11-23" @default.
- W3105285626 creator A5022301124 @default.
- W3105285626 creator A5034980066 @default.
- W3105285626 creator A5061259940 @default.
- W3105285626 creator A5061319423 @default.
- W3105285626 creator A5066984582 @default.
- W3105285626 creator A5079173006 @default.
- W3105285626 date "2020-06-11" @default.
- W3105285626 modified "2023-10-15" @default.
- W3105285626 title "Three Ly<i>α</i> Emitting Galaxies within a Quasar Proximity Zone at <i>z</i> ∼ 5.8" @default.
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