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Improved Standardization of Type II-P Supernovae: Application to an Expanded Sample
Dovi Poznanski, Nathaniel Butler, Alexei V. Filippenko +16
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…
Discovery of an Unusual Optical Transient with the Hubble Space Telescope
K. Barbary, K. S. Dawson, K. Tokita +27
We present observations of SCP 06F6, an unusual optical transient discovered during the Hubble Space Telescope Cluster Supernova Survey. The transient brightened over a period of ~…
Improved Cosmological Constraints from New, Old and Combined Supernova Datasets
M. Kowalski, D. Rubin, G. Aldering +67
We present a new compilation of Type Ia supernovae (SNe Ia), a new dataset of low-redshift nearby-Hubble-flow SNe and new analysis procedures to work with these heterogeneous compi…
Towards a Real-time Transient Classification Engine
J. S. Bloom, D. L. Starr, N. R. Butler +4
Temporal sampling does more than add another axis to the vector of observables. Instead, under the recognition that how objects change (and move) in time speaks directly to the phy…