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First Stars and Black Holes at Cosmic Dawn with Redshifted 21-cm Observations

Published onMay 31, 2019
First Stars and Black Holes at Cosmic Dawn with Redshifted 21-cm Observations
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Abstract

Though difficult to detect directly, the first stars and black holes forming during the "cosmic dawn" can be constrained indirectly through the 21-cm background, which traces the properties of intergalactic hydrogen gas. In this white paper, we focus on the science enabled by low-frequency radio observations of the 10 < z < 30 epoch.

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