1,147 zoekresultaten voor “groot regio galaxies” in de Publieke website
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Shaping Massive Galaxies: the structural evolution of galaxies across
Galaxies in the local Universe fall into two main categories of spirals and ellipticals. In this Thesis, we explore the structural evolution of galaxies into this bimodal distribution.
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The characteristics of galaxies with powerful radio jets
Radio jets are important to the evoultion of galaxies. However, it is still not fully understood how a radio jet can be triggered.
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Radio galaxies near the epoch of reionisation
This thesis explores the theoretical and observational properties of distant massive galaxies that harbour active black holes in their centres and shine brightly at radio wavelengths.
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Unveiling the nature of giant radio galaxies
The thesis deals with the study of giant radio galaxies (GRGs), which are radio galaxies of megaparsec sizes.
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Cold gas in distant galaxies
The formation and evolution of galaxies is fundamentally driven by the formation of new stars out of cold gas.
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The interplay between stars, gas and dust in faint star-forming galaxies
When observing star-forming galaxies, we are not only seeing stellar light, but we also see how this interacts with galactic gas and dust. This thesis contains studies of the stellar, nebular and dust properties of low mass star-forming galaxies.
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Neutral outflows in high-redshift dusty galaxies
Outflows are crucially important for the gas budget and evolution of luminous star-forming galaxies and AGNs, with observed mass outflow rates of the same order as the star formation rate. Greater star formation and black hole growth lead to more intense feedback and outflows, resulting in self-regulated…
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Early death of massive galaxies in the distant universe
Promotor: M. Franx, Co-Promotor: I.F. Labbé
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Resolving gas-phase metallicity in galaxies
Galaxies are environments where gas coalesces, cools, and is converted into stars. However, it remains unclear the exact mechanisms through which galaxies acquire, redistribute and lose their gas.
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Reconstructing Magnetic Fields of Spiral Galaxies from Radiopolarimetric Observations
Promotor: H.J.A. Röttgering, Co-promotor: M. Haverkorn
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The alignment of galaxies across all scales
Galaxy intrinsic alignments induce a major astrophysical contamination to weak gravitational lensing measurements and need to be modelled and mitigated when extracting cosmological information from such measurements.
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Irene Groot
Wiskunde en Natuurwetenschappen
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Rik Groot
Bestuursbureau
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Carina Groot
Veiligheid, Gezondheid en Milieu
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Hester Groot
Faculteit der Geesteswetenschappen
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Lisa Groot
Faculteit Governance and Global Affairs
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Resolving the building blocks of galaxies in space and time
We investigate the buildup of galaxies from various vantage points. The first two chapters focus on the stellar content of galaxies, especially the distribution of stellar masses at birth and potential variations therein in various galactic environments.
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Some Assembly Required: The Structural Evolution and Mass Assembly of Galaxies at z
This thesis investigates the structural evolution and assembly of galaxies since the first few billions years after the big bang.
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A well-established harmony in chaos: from isolated galaxies to galaxy clusters
The origin and evolution of galaxies are closely linked to many different physical phenomena.
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Radio galaxies at low frequencies: high spatial and spectral resolution studies with LOFAR
Promotor: H.J.A. Röttgering, Co-promotor: G.K. Miley
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Studying dark matter using weak gravitational lensing : from galaxies to the cosmic web
Of all the mass in our Universe, 80% is thought to consist of a hypothetical and invisible substance called dark matter (DM).
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Star formation and aging at cosmic noon: the spectral evolution of galaxies from z=2
Promotores: Prof.dr. M. Franx, Prof.dr. P.G. van Dokkum (Yale University)
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Star-Forming Galaxies at the Cosmic Dawn
Promotor: Prof.dr. M. Franx, Co-Promotor: Rychard Bouwens
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Diagnostics for mechanical heating in star-forming galaxies
Promotor: F.P. Israel, Co-Promoter: R. Meijerink
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Metals in the diffuse gas around high-redshift galaxies
Promotores: Prof.dr. J. Schaye & Prof.dr. C. Steidel (California Institute of Technology)
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understand the excess baryonic mass in the centres of high-mass, early-type galaxies
This thesis aims to enhance our understanding of galaxies by testing theoretical models of galaxy formation against observations, particularly in the cases of extreme systems which have been found to have an excess of baryonic mass in their central regions, in the form of either supermassive black holes…
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Miel Groten
Faculteit der Geesteswetenschappen
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Anja Groten
Faculteit der Geesteswetenschappen
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Antonius de Groot
Faculteit Geneeskunde
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Angelique de Groot
Faculteit der Sociale Wetenschappen
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Berend de Groot
Faculteit Governance and Global Affairs
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Marco de Groot
Administratief Shared Service Centre
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Teun de Groot
Faculteit der Sociale Wetenschappen
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Tjeerd de Groot
Faculteit Governance and Global Affairs
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Pam de Groot
Faculteit der Geesteswetenschappen
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Alexa de Groot
Honours Academy
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Wim de Groot
Universitair Facilitair Bedrijf
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Mara de Groot
Faculteit Archeologie
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Causing a stir: Radiative and mechanical feedback in starburst galaxies
Promotores: Prof.dr. F.P. Israel, Prof.dr. P.P. van der Werf
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Galaxies and the structures in which they are embedded
Wetenschappers bij de Leidse Sterrewacht onderzoeken de fundamenteel natuurkundige verschijnselen die voor structuur in het heelal zorgen. Deze processen brengen materie bijeen tot sterrenstelsels en gas bijeen tot sterren. Met behulp van krachtige telescopen en geavanceerde berekeningen en computersimulaties…
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Cornelis de Groot
Faculteit Rechtsgeleerdheid
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Rineke Keijzer-Groot
ICLON
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Brenda de Groot
Faculteit der Sociale Wetenschappen
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Dawn of the red and dead: stellar kinematics of massive quiescent galaxies out to z = 2
Promotores: Prof.dr. M. Franx, Prof.dr. M. Kriek (Univ. of California at Berkeley)
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Huub de Groot
Wiskunde en Natuurwetenschappen
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Withstanding the cold: energy feedback in simulations of galaxies that include a cold interstellar medium
Understanding how galaxies form, interact, and evolve comes largely from comparing theory predictions with observational data. Numerical simulations of galaxies provide the most accurate approach to testing the theory, as they follow the non-linear evolution of gas and dark matter in great detail and…
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From the First Galaxies to the Peak of the Star Formation History
Sobral
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matter using the stellar kinematics in the centres of ultra-faint dwarf galaxies
Dark matter is one of the biggest mysteries of the Universe. Its properties cannot be explained with the known laws of physics and elementary particles.
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Facets of radio-loud AGN evolution: a LOFAR surveys perspective
Promotor: H.J.A. Rottgering, Co-Promotor: R.J. van Weeren
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Astrophysical plasma modeling of the hot Universe: Advances and challenges in high-resolution X-ray spectroscopy
Hot astrophysical plasma is ubiquitous in the Universe, from comets in our Solar system to the largest scale structures -- the cosmic web filaments. These hot plasmas, with the temperature of a few millions of degrees, are often observed in the X-ray wavelength range.