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Showing result 1 - 5 of 18 essays matching the above criteria.
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1. Planes of satellite galaxies
University essay from Lunds universitet/Astronomi - Genomgår omorganisationAbstract : The Planes of Satellites Problem is an open question within the field of galaxy formation. It is based on the observations that the Milky Way's satellites, as well as those around the Andromeda (M31) galaxy, align in planes. READ MORE
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2. Spectroscopic determination of stellar parameters to constrain atomic diffusion in the old open cluster M67
University essay from Uppsala universitet/Institutionen för fysik och astronomiAbstract : In an attempt to check published results on diffusion effects in M67 a non-LTE analysis is made on 28 high resolution FLAMES-UVES spectra of dwarfs and sub-giants around the turnoff point, where core hydrogen fusion halts. This analysis utilizes the software-suites LOTUS and iSpec to determine stellar parameters from equivalent-width measurements. READ MORE
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3. Development of a tool to analyze back-focus characteristics of fix-focal cameras
University essay from Lunds universitet/InnovationAbstract : Fix-focal cameras require careful alignment of the sensor relative to the lens during assembly in order to produce a sharp image. Axis developed wide- and fish-eye network cameras are, for a number of reasons, focused at infinity when aligned. READ MORE
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4. Spectroscopic model characterisation of hot exoplanet atmospheres
University essay from Lunds universitet/Astronomi - Genomgår omorganisation; Lunds universitet/Fysiska institutionenAbstract : Hot Jupiters are gas giants under intense stellar radiation with short orbital periods of only a few days. Due to their large radii, hot temperatures, and large scale heights, hot Jupiters can be observationally characterised in detail through spectroscopy over an entire orbital phase. READ MORE
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5. Investigation of variable Ap Stars in TESS continuous viewing zone
University essay from Uppsala universitet/Observationell astrofysikAbstract : .... READ MORE