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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Reproduced with permission from Astronomy & Astrophysics, © ESO, 2016
(Master thesis / Masteroppgave, 2013)
Modified gravity theories are a popular research field in the hope that they could explain some of the unanswered questions in cosmology, for example how the universe starts, evolves and ends. One way to test proposed ...
(Master thesis / Masteroppgave, 2019)
I calculate Lyman-α luminosity and surface brightness; and find that the values are much higher than typical for this kind of galaxy. I find this is due to very high star formation rate; which makes the galaxy superluminous.
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The Fe i 6173 Å line is widely used in the measurements of vector magnetic fields by instruments including the Helioseismic and Magnetic Imager (HMI). We perform non-local thermodynamic equilibrium calculations of this ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
We developed a novel approach for fast and accurate ray-tracing of galaxies using procedural noise fields. Our method allows for efficient and realistic rendering of synthetic galaxy morphologies, where individual components ...
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
An interaction between dark matter and dark energy, proportional to the product of their energy densities, results in a scaling behavior of the ratio of these densities with respect to the scale factor of the Robertson-Walker ...
(Master thesis / Masteroppgave, 2014)
Solving the non-LTE radiative transfer problem in stellar atmospheres is computationally demanding. There is therefore an interest to investigate new methods to solve this problem effectively. A numerical method, multigrid, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Reproduced with permission from Astronomy & Astrophysics, © ESO, 2016
(Master thesis / Masteroppgave, 2016)
(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
We investigate the compatibility of the Symmetron with dark energy by introducing a non-minimal kinetic term associated with the Symmetron. In this new model, the effect of the friction term appearing in the equation of ...