Thesis defense [before December 2013]

Licentiate thesis: Supernovae: cosmology, dark matter and classification

by Natallia V. Karpenka (Stockholm University, Department of Physics)

Europe/Stockholm
FB42, AlbaNova

FB42, AlbaNova

Description
The primary interest in supernovae (SNe) over the last decade has been focussed on Type-Ia (SNIa) for their use as `standardizable' candles in constraining cosmological models. Ongoing observations of large samples of SNIa are being used to improve the measurement of luminosity distance as a function of redshift, and thereby constrain cosmological parameters further. Moreover, the gravitational lensing of SNIa by foreground cosmic structure along their lines-of-sight has been used to constrain the properties of the lensing matter. There remain, however, substantial difficulties in connecting observations with theory in the analysis of SNe data. Moreover, in the forthcoming era of large SNe surveys, one will be faced with the new problem of having to perform automated photometric classification of SNe. My research in this thesis addresses these problems in the analysis of SNe observations.