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The Host Galaxies of Swift Dark Gamma-ray Bursts: Observational Constraints on Highly Obscured and Very High Redshift GRBs

In this work, we present the first results of our imaging campaign at Keck Observatory to identify the host galaxies of ``dark'' gamma-ray bursts (GRBs), events with no detected optical afterglow or with detected optical flux significantly fainter …

Improved Standardization of Type II-P Supernovae: Application to an Expanded Sample

In the epoch of precise and accurate cosmology, cross-confirmation using a variety of cosmographic methods is paramount to circumvent systematic uncertainties. Owing to progenitor histories and explosion physics differing from those of Type Ia …