The Faculty of Mathematics and Natural Sciences: Search
Now showing items 71-80 of 111
Dust and gas in the MilkyWay: a full-sky view on the multiphase interstellar medium
(2016-11-04)
The Milky Way (MW) Galaxy is a unique laboratory to study the evolution of spiral galaxies, offering great sensitivities and angular resolutions with respect to observations of other galaxies. There, the large distance and ...
Investigating Anisotropies in the Local Universe with Type Ia Supernovae from the Nearby Supernova Factory
(2015-12-10)
The dipole anisotropy of the cosmic microwave background temperature is two orders of magnitude larger than its other multipole components, which is attributed to the Doppler shift due to the motion of our Local Group of ...
Automated Source Extraction for the Next Generation of Neutral Hydrogen Surveys
(2015-12-23)
This thesis is a first step to develop the necessary tools to automatically extract and parameterize sources from future HI surveys with ASKAP, WSRT/Apertif, and SKA.
The current approach to large-scale HI surveys, ...
The current approach to large-scale HI surveys, ...
Detailed X-ray properties of galaxy groups and fossil groups
(2015-09-16)
Most galaxies in the Universe are aggregated into groups of galaxies, agglomerations of a few 10s of galaxies at most. For long they have been considered to be very similar to clusters, which contain a few 100s of galaxies. ...
Forecasts for Galaxy Cluster Observations and Cosmological Implications from the eROSITA All-Sky Survey
(2016-04-19)
One of the most commonly asked questions in astrophysics today refers to the nature of dark energy. The characteristics of this parameter are imprinted in the large-scale structure of matter and accordingly also in the ......
On Problems Related To Galaxy Formation
(2016-05-17)
The main idea of the underlying PhD study is to trace the history of the assembly of galaxies and of their subsequent evolution. We approach this issue in two ways: 1) by studying galaxy spin and 2) by studying the oldest ...
X-ray analysis of a complete sample of galaxy clusters
(2016-03-30)
Modern cosmology tries to trace the history and predict the future of our Universe. Great achievements have been made by the discovery of the accelerated expansion, the claim for Dark Matter and Dark Energy, the detection ...
Optical Data Analysis and its Application to Cosmology
(2016-03-30)
This work is concerned with different aspects of observational cosmology. It covers a broad range of problems that one needs to deal with in optical astronomy.
Three introduction chapters about cosmology, gravitational ...
Three introduction chapters about cosmology, gravitational ...
Searches for Neutrinos from Supernovae Using Cherenkov In-Ice Detectors
(2017-05-15)
Supernovae mark the violent death of massive stars. They are among the most energetic processes known to exist in the Universe. Neutrinos play crucial roles in supernova processes. Besides the low-energy neutrinos emitted ...
Massive stars on the main sequence
(2017-03-10)
Massive stars have a strong influence on their environment by chemical enrichment of the surrounding interstellar medium due to strong stellar winds. The influence of mass loss and rotation on the main-sequence evolution ...