509 zoekresultaten voor “veel large telescope” in de Publieke website
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Protostellar jets and planet-forming disks: Witnessing the formation of Solar System analogues with interferometry
The focus of this thesis is how stars like our Sun and planets like Jupiter, Saturn, and Earth are formed.
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Lava worlds: characterising atmospheres of impossible nature
Over the last three decades, the discovery of exoplanets has revealed the boundless variety of worlds beyond our own Solar System. Majority of planetary systems contain short-period planets that are larger than Earth but smaller than Neptune.
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Untangling cosmic collisions: a study of particle acceleration and magnetic fields in merging galaxy clusters
On the largest scale, the Universe resembles a cosmic spiderweb. Most galaxies coexist in small groups within the threads of this web. At the nodes of the threads are enormous groups of galaxies forming the largest structures in the universe still held together by gravity: clusters of galaxies.
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Early Dutch Radio Astronomy (1940-1970)
Promotores: F.H. van Lunteren, F.P. Israel
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Mirmukhsin MakhmudovWiskunde en Natuurwetenschappen
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VLA-radiotelescoop onthult nieuwe details over ontstaan sterren en planeten
Sterrenkundigen onder leiding van John Tobin hebben dankzij nieuwe waarnemingen, verricht met de Amerikaanse Very Large Array-radiotelescoop (VLA), meer inzicht verkregen in het geboorteproces van meervoudige sterren.
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Spectroscopic characterization of exoplanets: From LOUPE to SINFONI
Over the past years it has been discovered that the population of extra-solar planets is large and diverse.
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Design and development of a comprehensive data management platform for cytomics: cytomicsDB
Promotor: Prof.dr. J.N. Kok
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Diversity and distribution of octocorals and scleractinians in the Persian Gulf region
Promotor: E. Gittenberger, Co-promotores: B.W. Hoeksema; L.P. van Ofwegen
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Macrophage activation and cholesterol in atherosclerosis development
Promotores:Th.J.C. van Berkel, M. van Eck
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Monitoring drought and salinity stress in agriculture by remote sensing for a sustainable future
Food security is challenged by a growing global population and by climate change. Drought and soil salinity are considered the most important ones that inhibit crop yield and distribution. Worryingly, climate change is predicted to increase not only their frequency and severity, but also their co-occurrence,…
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Advances in computational methods for Quantum Field Theory calculations
In this work we describe three methods to improve the performance of Quantum Field Theory calculations.
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The astrochemical factory: A solid base for interstellar reactions
In this thesis chemical and physical processes in the ice mantles on interstellar dust grains are studied.
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Gold nanorod photoluminescence: applications to imaging and temperature sensing
Promotor: M.A.G.J. Orrit
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LIACS Tech staff
Bij LIACS erkennen we de groeiende behoefte aan geavanceerde technische ondersteuning bij onderzoeksprojecten en labonderwijs. Toenemende studentenaantallen, steeds geavanceerdere hardware en infrastructuur, nieuwe eisen rondom dataveiligheid en -beheer, en de complexiteit van de kerncursussen informatica…
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Translational Symmetry Breaking in Holographic Strange Metals
In this thesis, we have used numerical approaches to study the effects of translational symmetry breaking on strange metallic systems as realised by the holographic duality.
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Functionalizing monolayer graphene as a proton-selective membrane for direct methanol fuel cells
This thesis focused on the exploration of monolayer graphene as a membrane in direct methanol fuel cell (DMFC) applications, with improvements achieved through plasma exposure or damage- free chemical functionalization.
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Data structures for quantum circuit verification and how to compare them
Quantum computers are a proposed fundamentally new type of computer. They aim to perform some computations much faster than previously possible by exploiting phenomena at the quantum scale, called superposition and entanglement.
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Unraveling the surface formation of regular and deuterated water in space: a combined laboratory and computational study
Promotor: Prof.dr. H.V.J. Linnartz
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Cyclophellitol and its derivatives: synthesis and application as beta-glycosidase inhibitors
Promotores: Prof.dr. H.S. Overkleeft, Prof.dr. G.A. van der Marel
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The Great Collapse
Promotor: Prof.dr. S.F. Portegies Zwart
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Metastability for low-temperature Kawasaki dynamics with two types of particles
Promotor: W.Th.F. den Hollander, Co-promotor: F.R. Nardi
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A fresh view on carbon radio recombination lines powered by LOFAR
The Low Frequency Array enables studies of low-frequency carbon radio recombination lines with unprecedented sensitivity, spectral and spatial resolution.
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Total Synthesis of Alginate and Zwitterionic Sp1 Oligosaccharides
The work in this thesis has been focused on two subjects. The first is the assembly of alginate oligosaccharides and the generation of building blocks for the enzymatic synthesis of alginate, and the second is the total synthesis of large fragments of the zwitterionic SP1 polysaccharide.
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Satellite remote sensing of plant functional diversity
Biodiversity enables ecosystems to thrive through the synergy of functional differences among organisms. While human well-being strongly depends on biodiversity-driven ecosystem services, human actions are also at the root of current unprecedented biodiversity declines.
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De geur van het universum
Voormalig promovendus Cameron Mackie krijgt niet één, maar twee proefschriftprijzen voor zijn proefschrift over het aromatische universum. Door zijn werk kunnen we binnenkort misschien een virtueel ‘snuifje’ van de ruimte nemen. ‘Deze moleculen in de ruimte ruiken waarschijnlijk als een grote houtsk…
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Sterrenkundigen zien wervelwind rondom mogelijke exoplaneet-in-wording
Een internationaal team van sterrenkundigen onder Leidse leiding heeft een wervelwind van stof en gruis ontdekt in een baan rond een jonge ster. In het gruis is zich mogelijk een planeet aan het vormen. Het team van wetenschappers deed de ontdekking in de tijd die bouwers en bedenkers van een astronomisch…
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First Light voor 3D-spectrograaf MUSE
De 3D-spectrograaf Multi Unit Spectroscopic Explorer (MUSE) is met succes geïnstalleerd en in gebruik genomen op de Very Large Telescope op Cerro Paranal, Chili. MUSE heeft tijdens zijn eerste waarnemingsperiode gekeken naar verre sterrenstelsels, heldere sterren en andere testobjecten. De Sterrewacht…
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Eerste meting aan isotopen in dampkring exoplaneet
Het is Nederlandse astronomen als eersten ter wereld gelukt om isotopen te ontwaren in de dampkring van een exoplaneet. Het gaat hierbij om verschillende vormen van koolstof in gasreusplaneet TYC 8998-760-1 b. Het onderzoek wordt donderdag gepubliceerd in het vakblad Nature.
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Leidse planetenexperts willen zeven ‘aardes’ verder onderzoeken
Astronomen hebben zeven aardachtige planeten ontdekt rondom een dwergster in onze Melkweg. Drie van deze planeten bevinden zich in de leefbare zone van deze ster en kunnen vloeibaar water bevatten. ‘De volgende stap is om de atmosferen te onderzoeken naar aanwijzingen voor leven. In Leiden zijn we expert…
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Enorm supercluster van sterrenstelsels ontdekt
Een internationaal team van astronomen, onder wie de Leidse sterrenkundige Maciej Bilicki, heeft een enorm supercluster van sterrenstelsels ontdekt. Het supercluster was tot nu toe over het hoofd gezien omdat onze eigen Melkweg in de weg zit. De onderzoekers publiceren hun bevindingen binnenkort in…
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It's just a phase: High-contrast imaging with patterned liquid-crystal phase plates to facilitate characterization of exoplanets
This thesis aims to demonstrate how the achromatic nature and design flexibility of liquid-crystal optics can be used to improve high-contrast imaging instruments to facilitate detailed exoplanet characterization.
- Oortlezing
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Exploring the magnetic, turbulent Milky Way through radio waves
Promotor: Prof.dr. H. J. A. Röttgering, Co-Promotor: M. Haverkorn
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Lions of West Africa : ecology of lion (Panthera leo Linnaeus 1975) populations and human-lion conflicts in Pendjari Biosphere Reserve, North
Promotores: G.R. de Snoo, B. Sinsin, Co-Promotor: H.H. de Iongh
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Systemen en beveiliging
Onderzoekers van LIACS werken aan het bedenken van de computers van morgen die de ruggengraat zullen vormen van de Cloud en Edge computing paradigma’s en ‘the Internet of Things’. In dit verband zijn we betrokken bij onderzoek en ontwikkeling van high performance computing systemen, embedded & real-time…
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Between Canon and Coincidence: using data-driven approaches to understand Art Worlds (BECACO)
Indigenous Latin American artifacts have attracted the interest of Europeans since the earliest moment of contact between Europeans and the Indigenous peoples of the Americas. The ERC-funded BECACO project uses an innovative multidisciplinary framework to investigate the provenance of ethnographic and…
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The mixed Ax-Lindemann theorem and its applications to the Zilber-Pink conjecture
Promotores: Prof.dr. S.J. Edixhoven, Prof.dr. E. Ullmo (University Paris-Sud)
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Enumeration and Simulation of Lattice Polymers as Models for Compact Biological Macromolecules
Promotores: H. Schiessel, G.T. Barkema
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Galaxy clusters in the decameter sky
Many galaxy clusters exhibit bright diffuse radio emission that traces the underlying structure of the intracluster medium (ICM).
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X-ray spectroscopy of interstellar dust: from the laboratory to the Galaxy
In this thesis, we present new laboratory data of interstellar dust analogues.
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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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Making the invisible visible: paramagnetic NMR and the transient protein complex
Promotor: Prof.dr. M. Ubbink
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Cosmic tomography with weak gravitational lensing
We explored the Universe using weak gravitational lensing, a phenomenon that occurs when light from distant galaxies is bent by the gravitational fields of closer cosmic objects, much like how a lens distorts light.
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Studies of dust and gas in the interstellar medium of the Milky Way
Promotor: Prof.dr. A.G.G.M. Tielens
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Not so smooth after all: resolving dust and gas structures in protoplanetary disks
A large diversity of exoplanetary systems has been found, but it is still unclear what drives this diversity.
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Weighing the Dark: Cosmological Applications of Gravitational Lensing
Promotor: K. Kuijken, Co-Promotor: H. Hoekstra
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Breeding birds on organic and conventional arable farms
Promotor: G.R. de Snoo
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The urge to collect
Where does the urge to collect come from? What are the explicit or underlying reasons for gathering large amount of objects?
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Inferno Worlds
A remarkable population of short period transiting rocky exoplanets with equilibrium temperatures on the order of 2,000 K has recently been discovered.