3 papers
astro-ph.HE2025
An Agnostic Approach to Building Empirical Type Ia Supernova Light Curves: Evidence for Intrinsic Chromatic Flux Variation Using Nearby Supernova Factory Data
Jared Hand, A. G. Kim, G. Aldering +35
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 extincti…
astro-ph.IM2024
Picture Perfect: Photometric Transient Classification Using the ParSNIP Model with Roman Hourglass Simulations
Belal Abdelhadi, David Rubin
The Roman Space Telescope, equipped with a 2.4 meter primary mirror and optical--NIR wide-field camera, promises to revolutionize our understanding of dark energy, exoplanets, and…
astro-ph.CO2024
DESI Constraints on Exponential Quintessence
Omar F. Ramadan, Jeremy Sakstein, David Rubin
The DESI collaboration have recently analyzed their first year of data, finding a preference for thawing dark energy scenarios when using parameterized equations of state for dark…