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733 zoekresultaten voor “groot regio galaxies” in de Publieke website

• Shaping Massive Galaxies: the structural evolution of galaxies across Onderzoeksoutput

  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.

• The characteristics of galaxies with powerful radio jets Onderzoeksoutput

  Radio jets are important to the evoultion of galaxies. However, it is still not fully understood how a radio jet can be triggered.

• Radio galaxies near the epoch of reionisation Onderzoeksoutput

  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.

• Unveiling the nature of giant radio galaxies Onderzoeksoutput

  The thesis deals with the study of giant radio galaxies (GRGs), which are radio galaxies of megaparsec sizes.

• Cold gas in distant galaxies Onderzoeksoutput

  The formation and evolution of galaxies is fundamentally driven by the formation of new stars out of cold gas.

• The interplay between stars, gas and dust in faint star-forming galaxies Onderzoeksoutput

  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.

• Neutral outflows in high-redshift dusty galaxies Onderzoeksoutput

  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…

• Early death of massive galaxies in the distant universe Onderzoeksoutput

  Promotor: M. Franx, Co-Promotor: I.F. Labbé

• Resolving gas-phase metallicity in galaxies Onderzoeksoutput

  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.

• Reconstructing Magnetic Fields of Spiral Galaxies from Radiopolarimetric Observations Onderzoeksoutput

  Promotor: H.J.A. Röttgering, Co-promotor: M. Haverkorn

• The alignment of galaxies across all scales Onderzoeksoutput

  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 Hoogleraar Surface and interface science

  Wiskunde en Natuurwetenschappen

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  Rik Groot Online Marketeer

  Bestuursbureau

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  Carina Groot Bedrijfsarts

  Veiligheid, Gezondheid en Milieu

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  Hester Groot Promovendus

  Faculteit der Geesteswetenschappen

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  Lisa Groot Stagiair

  Faculteit Governance and Global Affairs

• Resolving the building blocks of galaxies in space and time Onderzoeksoutput

  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.

• Some Assembly Required: The Structural Evolution and Mass Assembly of Galaxies at z Onderzoeksoutput

  This thesis investigates the structural evolution and assembly of galaxies since the first few billions years after the big bang.

• A well-established harmony in chaos: from isolated galaxies to galaxy clusters Onderzoeksoutput

  The origin and evolution of galaxies are closely linked to many different physical phenomena.

• Radio galaxies at low frequencies: high spatial and spectral resolution studies with LOFAR Onderzoeksoutput

  Promotor: H.J.A. Röttgering, Co-promotor: G.K. Miley

• Studying dark matter using weak gravitational lensing : from galaxies to the cosmic web Onderzoeksoutput

  Of all the mass in our Universe, 80% is thought to consist of a hypothetical and invisible substance called dark matter (DM).

• Star formation and aging at cosmic noon: the spectral evolution of galaxies from z=2 Onderzoeksoutput

  Promotores: Prof.dr. M. Franx, Prof.dr. P.G. van Dokkum (Yale University)

• Star-Forming Galaxies at the Cosmic Dawn Onderzoeksoutput

  Promotor: Prof.dr. M. Franx, Co-Promotor: Rychard Bouwens

• Diagnostics for mechanical heating in star-forming galaxies Onderzoeksoutput

  Promotor: F.P. Israel, Co-Promoter: R. Meijerink

• Metals in the diffuse gas around high-redshift galaxies Onderzoeksoutput

  Promotores: Prof.dr. J. Schaye & Prof.dr. C. Steidel (California Institute of Technology)

• understand the excess baryonic mass in the centres of high-mass, early-type galaxies Onderzoeksoutput

  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 Docent

  Faculteit der Geesteswetenschappen

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  Anja Groten Universitair docent

  Faculteit der Geesteswetenschappen

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  Antonius de Groot

  Faculteit Geneeskunde

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  Angelique de Groot Student-assistent

  Faculteit der Sociale Wetenschappen

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  Berend de Groot Associate senior fellow

  Faculteit Governance and Global Affairs

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  Marco de Groot Teamleider Liquide Middelen en Balans & Consolidatie

  Administratief Shared Service Centre

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  Teun de Groot Student-assistent

  Faculteit der Sociale Wetenschappen

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  Tjeerd de Groot Senior Fellow

  Faculteit Governance and Global Affairs

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  Pam de Groot Office Manager

  Faculteit der Geesteswetenschappen

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  Alexa de Groot Assessor Honours Academy

  Honours Academy

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  Wim de Groot

  Universitair Facilitair Bedrijf

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  Mara de Groot Coördinator Centre for Global Heritage and Development

  Faculteit Archeologie

• Causing a stir: Radiative and mechanical feedback in starburst galaxies Onderzoeksoutput

  Promotores: Prof.dr. F.P. Israel, Prof.dr. P.P. van der Werf

• Galaxies and the structures in which they are embedded Onderzoeksproject

  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 Universitair hoofddocent

  Faculteit Rechtsgeleerdheid

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  Rineke Keijzer-Groot Gastonderzoeker

  ICLON

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  Brenda de Groot Gast

  Faculteit der Sociale Wetenschappen

• Dawn of the red and dead: stellar kinematics of massive quiescent galaxies out to z = 2 Onderzoeksoutput

  Promotores: Prof.dr. M. Franx, Prof.dr. M. Kriek (Univ. of California at Berkeley)

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  Huub de Groot Hoogleraar Biofysische organische chemie

  Wiskunde en Natuurwetenschappen

• Withstanding the cold: energy feedback in simulations of galaxies that include a cold interstellar medium Onderzoeksoutput

  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…

• From the First Galaxies to the Peak of the Star Formation History Onderzoeksproject

  Sobral

• matter using the stellar kinematics in the centres of ultra-faint dwarf galaxies Onderzoeksoutput

  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.

• Facets of radio-loud AGN evolution: a LOFAR surveys perspective Onderzoeksoutput

  Promotor: H.J.A. Rottgering, Co-Promotor: R.J. van Weeren

• Astrophysical plasma modeling of the hot Universe: Advances and challenges in high-resolution X-ray spectroscopy Onderzoeksoutput

  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.