Strong Gravitational Lensing and Microlensing of Supernovae

Strong gravitational lensing and microlensing of supernovae are emerging research tools that can constrain cosmological parameters like the Hubble constant by measuring time delays between multiple supernova images, as well as probe astrophysical properties such as supernova progenitors, sizes, and galactic dust. The upcoming Rubin Observatory Legacy Survey of Space and Time (LSST) is expected to dramatically increase discoveries of these rare lensed supernovae, providing competitive cosmological constraints and enabling multiple scientific studies.