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View article: An Agnostic Approach to Building Empirical Type Ia Supernova Light Curves: Evidence for Intrinsic Chromatic Flux Variation Using Nearby Supernova Factory Data
An Agnostic Approach to Building Empirical Type Ia Supernova Light Curves: Evidence for Intrinsic Chromatic Flux Variation Using Nearby Supernova Factory Data Open
We present a new empirical Type Ia supernova (SN Ia) model with three chromatic flux variation templates: one phase dependent and two phase independent. No underlying dust extinction model or patterns of intrinsic variability are assumed. …
View article: The Dependence of the Type Ia Supernova Host Bias on Observation or Fitting Technique
The Dependence of the Type Ia Supernova Host Bias on Observation or Fitting Technique Open
More luminous Type Ia supernovae prefer less massive hosts and regions of higher star formation. This correlation is inverted during width–color–luminosity light-curve standardization resulting in step-like biases of distance measurements …
View article: Type Ia Host Bias is Robust Across Different Observation Methods and Fitting Techniques
Type Ia Host Bias is Robust Across Different Observation Methods and Fitting Techniques Open
Brighter Type Ia supernovae (SNe Ia) prefer less massive host galaxies and regions of higher star formation, but the dependence on host property measurement technique on this bias is not known. Using the PISCO IFS sample of SN host galaxie…
View article: The Dependence of the Type Ia Supernova Host Bias on Observation or Fitting Technique
The Dependence of the Type Ia Supernova Host Bias on Observation or Fitting Technique Open
More luminous Type Ia supernovae (SNe Ia) prefer less massive hosts and regions of higher star formation. This correlation is inverted during width-color-luminosity light curve standardization resulting in step-like biases of distance meas…
View article: The Complete Light-curve Sample of Spectroscopically Confirmed SNe Ia from Pan-STARRS1 and Cosmological Constraints from the Combined Pantheon Sample
The Complete Light-curve Sample of Spectroscopically Confirmed SNe Ia from Pan-STARRS1 and Cosmological Constraints from the Combined Pantheon Sample Open
We present optical light curves, redshifts, and classifications for spectroscopically confirmed Type Ia supernovae (SNe Ia) discovered by the Pan-STARRS1 (PS1) Medium Deep Survey. We detail improvements to the PS1 SN photometry, astrometry…