Essays about: "Julia Ahlvind"
Found 3 essays containing the words Julia Ahlvind.
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1. Magnificent beasts of the Milky Way: Hunting down stars with unusual infrared properties using supervised machine learning
University essay from Uppsala universitet/Observationell astrofysikAbstract : The significant increase of astronomical data necessitates new strategies and developments to analyse a large amount of information, which no longer is efficient if done by hand. Supervised machine learning is an example of one such modern strategy. READ MORE
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2. Isochrone and chemical ages of stars in the old open cluster M67
University essay from Uppsala universitet/Observationell astrofysikAbstract : The open cluster Messier 67 is known to have chemical composition, metallicity and age (~ 4 Gyr) close to the Sun. Therefore, it is advantageous for stellar physical studies and of stellar evolution, in particular for solar like stars within the cluster. READ MORE
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3. The Almighty Quasar — Destroyer of Worlds
University essay from Uppsala universitet/Observationell astrofysikAbstract : In the study of habitability of terrestrial exoplanets, both life-supporting conditions and the prevalence of transient life-threatening events need to be considered. One type of hazardous effect that has so far not received much attention is the thermal effect of a nearby active galactic nucleus (AGN), or in this particular case, the class of the AGN known as a quasar. READ MORE