HOLISMOKES -- I. Highly Optimised Lensing Investigations of Supernovae, Microlensing Objects, and Kinematics of Ellipticals and Spirals

11 Nov 2020 Suyu S. H. Huber S. Cañameras R. Kromer M. Schuldt S. Taubenberger S. Yıldırım A. Bonvin V. Chan J. H. H. Courbin F. Nöbauer U. Sim S. A. Sluse D.

We present the HOLISMOKES programme on strong gravitational lensing of supernovae as a probe of supernova (SN) physics and cosmology. We investigate the effects of microlensing on early-phase SN Ia spectra using four different SN explosion models, and find that within 10 rest-frame days after SN explosion, distortions of SN Ia spectra due to microlensing are typically negligible ($<$1% distortion within the 1$\sigma$ spread, and $\lesssim$10% distortion within the 2$\sigma$ spread)... (read more)

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  • COSMOLOGY AND NONGALACTIC ASTROPHYSICS
  • HIGH ENERGY ASTROPHYSICAL PHENOMENA