626 zoekresultaten voor “star formation” in de Publieke website
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Multiple star formation: chemistry, physics and coevality
Multiple stars, that is two or more stars composing a gravitationally bound system, are common in the universe.
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From Star-formation to Recombination: Expanding our View of the Radio-Recombination-Line Universe
The origin and evolution of galaxies are closely tied to the cyclic feedback processes between stars and the interstellar medium (ISM).
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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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Paving the path between low- and high-mass star formation: dynamics probed by Herschel far-infrared spectroscopy
Promotor: Prof.dr. E.F. van Dishoeck, Prof.dr. F.F.S. van der Tak (RUG)
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From the First Galaxies to the Peak of the Star Formation History
Sobral
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Unveiling protostellar disk formation around low-mass stars
Promotor: Prof.dr. E.F. van Dishoeck
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Chemistry in embedded disks: setting the stage for planet formation
To address the fundamental questions of how life on Earth emerged and how common life may be in the Universe, it is crucial to know the chemical composition of the planet-forming material.
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Identifying the origins of galaxy formation
This thesis investigates how galaxies form and what diversifies the evolutionary histories of galaxies.
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Galaxy formation traced by heavy element pollution
Galaxies form and evolve through close interaction with their surroundings. As a result, the heavy elements ('metals') that are synthesized in stars, are found both inside and outside galaxies.
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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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Non-equilibrium chemistry and cooling in simulations of galaxy formation
Promotor: J. Schaye
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Molecules during stellar formation and death
Promotor: Prof.dr. E. F. van Dishoeck
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Feedback from deeply embedded low- and high-mass protostars. Surveying hot molecular gas with Herschel
Promotor: Prof.dr. E.F. van Dishoeck, Co-Promotor: G.J. Herczeg
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Lijsbertus StarUniversitair Facilitair Bedrijf
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Willem Star
Wiskunde en Natuurwetenschappen
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Uncovering the ingredients for planet formation
This thesis discusses the physical and chemical processes than influence the composition of forming planets.
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The assembly history of the milky way nuclear star cluster
Promotor: P. T. de Zeeuw, Co-promotor: N. Neumayer; G. van de Ven
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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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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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Star-Forming Galaxies at the Cosmic Dawn
Promotor: Prof.dr. M. Franx, Co-Promotor: Rychard Bouwens
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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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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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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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Multiple Star Formation: Chemistry, physics and coevality
Promotie
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Ewine van DishoeckWiskunde en Natuurwetenschappen
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The puzzle of protoplanetary disk masses
My work focuses on a class of astronomical objects called protoplanetary disks.
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Dancing with the Stars
This thesis develops a method for direction dependent calibration of the ionosphere in radio interferometric data.
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Tales of Orion: the interplay of gas, dust, and stars in the interstellar medium
Promotores: Prof.dr. A.G.G.M. Tielens, Prof.dr. L. Kaper (UvA)
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Exploring and exploiting the mechanism of mycelial pellet formation by Streptomyces
Promotor: G.P. van Wezel
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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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A molecular journey : tales of sublimating ices from hot cores to comets
The thesis explores how interstellar chemistry evolves as a function of time and changing physical architectures during the formation of stars.
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Sizing up protoplanetary disks
This thesis focuses on protoplanetary disks: flattened structures of gas and dust around young stars in which planets are expected to form and grow.
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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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Orion's Dragon and Other Stories
Stellar feedback is a crucial ingredient in the evolution of galaxies.
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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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The Demographics of Protoplanetary Disks: from Lupus to Orion
The work presented in this thesis is based on ALMA surveys of protoplanetary disks in three star-forming regions: Lupus, OMC-2, and NGC 2024.
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When galaxy clusters collide: the impact of merger shocks on cluster gas and galaxy evolution
Promotor: Prof.dr. H.J.A. Rottgering
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From grains to planetesimals: the microphysics of dust coagulation
Promotor: Prof.dr. A.G.G.M. Tielens, Prof.dr. C. Dominik (UvA)
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From Star-formation to Recombination: Expanding our View of the Radio-Recombination-Line Universe
Promotie
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Modeling interstellar bubbles: near and far
Promotor: Prof. dr. A.G.G.M. Tielens
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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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Mind the gap: gas and dust in planet-forming disks
Promotores: Prof.dr. E.F. van Dishoeck, Prof.dr. C.P. Dullemond
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Tracing the evolution of protoplanetary disks
Promotores: Prof.dr. A.G.G.M. Tielens, Prof.dr. L.B.F.M. Waters (UvA), Prof.dr. C. Dominik (UvA)
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Protoplanetary disk anatomy: examining the structure and chemistry of planetary birthplaces with simple molecules
This thesis examines the link between simple molecules and the underlying structure and chemistry within protoplanetary disks - the birthplaces of planets.
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Dynamics and radiation from tidal disruption events
When a star gets too close to a supermassive black hole, it is torn apart by strong tidal forces in a tidal disruption event (TDE).
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Nakuru Lion Project officieel gestart
Op 8 augustus 2018 werd het Nakuru lion project officieel gestart met de symbolische overdracht door Prof Hans de Iongh van een leeuwen zenderhalsband (GPS-collar) aan de senior warden Katherine Dikson van het Lake Nakuru National Park. Dit project is een samenwerking tussen Kenya Wildlife Service (KWS),…
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Duurzame sloop oude laboratoria gestart
De Universiteit Leiden is begonnen met de duurzame sloop van het oude practicumgebouw LCP van de faculteit Wiskunde en Natuurwetenschappen.
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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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This Week’s Discoveries | 17 May 2016
Lezing
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Linking simple molecules to grain evolution across planet-forming disks
Planets are formed in disks of gas and dust around young stars.