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254 search results for “protoplanetary dirk” in the Public website

• Sizing up protoplanetary disks Research output

  This thesis focuses on protoplanetary disks: flattened structures of gas and dust around young stars in which planets are expected to form and grow.

• Tracing the evolution of protoplanetary disks Research output

  Promotores: Prof.dr. A.G.G.M. Tielens, Prof.dr. L.B.F.M. Waters (UvA), Prof.dr. C. Dominik (UvA)

• The puzzle of protoplanetary disk masses Research output

  My work focuses on a class of astronomical objects called protoplanetary disks.

• The Demographics of Protoplanetary Disks: from Lupus to Orion Research output

  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.

• High-Contrast Imaging of Protoplanetary Disks Research output

  To study how planetary systems come into existence we study much younger systems still in formation.

• Breaking the ice: constraining the volatile distribution in protoplanetary disks Research output

  This research focuses on the distribution of chemical elements in protoplanetary disks, the birthplaces of planets. These disks form around young stars and contain gas and dust, from which planets grow. Ice plays a crucial role in planet formation, aiding the clumping of dust particles and influencing…

• inner regions: a multi-wavelength view of accretion and outflow in protoplanetary disks Research output

  The zoo of detected exoplanets reveals both the uniqueness of our own Solar System and the complexity of planetary system formation, sparking fundamental questions about how planetary systems form and evolve.

• Protoplanetary disk anatomy: examining the structure and chemistry of planetary birthplaces with simple molecules Research output

  This thesis examines the link between simple molecules and the underlying structure and chemistry within protoplanetary disks - the birthplaces of planets.

• 
  Dirk Visser PhD candidate

• Not so smooth after all: resolving dust and gas structures in protoplanetary disks Research output

  A large diversity of exoplanetary systems has been found, but it is still unclear what drives this diversity.

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  Dirk Lesman Instrument Engineer (guest)

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  Dirk Franken Hortus Grand Café Employee

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  Dirk Barens SAP Consultant

  ASSC

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  Dirk Winnemuller Guest lecturer

  Faculteit der Rechtsgeleerdheid

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  Dirk Engberts Professor emeritus

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  Dirk Kolff Professor emeritus

  Faculty of Humanities

• Imaging polarimetry for the characterisation of exoplanets and protoplanetary discs. Scientific and technical challenges Research output

  Promotor: C.U. Keller, Co-Promotor: F. Snik

• 
  Dirk Wevers PhD candidate

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  Dirk Broekhuijsen Associate professor

  Faculteit der Rechtsgeleerdheid

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  Dirk Alkemade Training Secretary

  Faculty of Humanities

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  Dirk de Mol Senior Project Manager

  ISSC

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  Dirk Bouwmeester Professor

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  Roeland Dirks

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  Dirk Visser Professor of Intellectual Property Law

  Faculteit der Rechtsgeleerdheid

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  Dirk van Dam Guest PhD candidate

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  Dirk van Eck-Starrenburg BI & Data Engineer

  ASSC

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  Dirk van Delft Professor Emeritus

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  Dirk van Duyn
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  Dirk van der Hoeven Assistant professor

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  Dirk-Jan Nijessen Market Research & CRM Specialist

  Administration and Central Services

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  Dirk Jan Moes Researcher

• Dirk Bouwmeester Lab - Quantum Optics and Quantum Information

  The research program of the QO group has three leading themes: Optical Physics, Quantum Optics, and Photon-Matter Interactions. We work mostly at the boundaries between these themes with entanglement as a bridging and binding agent.

• 
  Jan Dirk Blom Professor by Special Appointment

  Faculty of Social and Behavioural Sciences

• Unveiling the third dimension: vertical structure as a probe of planet formation conditions Research output

  Protoplanetary disks are the gas and dust environments where planetary systems form around young stars. Using observations from the Atacama Large Millimeter/submillimeter Array (ALMA) this thesis analyses the gaseous molecular reservoir, using multiple tracers to resolve the 3D structure of protoplanetary…

• 
  Dirk-Jan van den Berg Education and research staff member

• Linking simple molecules to grain evolution across planet-forming disks Research output

  Planets are formed in disks of gas and dust around young stars.

• Inextricable ties between chemical complexity and dynamics of embedded protostellar regions Research output

  Promotor: E. F. van Dishoeck, Co-promotor: C. Walsh

• Searching explanations for mysterious structures in protoplanetary disks News - 12 December 2019

  In the discs of dust and gasses around young stars, mysterious structures occur. Together with professor Ewine van Dishoeck, PhD student Paolo Cazzoletti investigate how we can explain these forms, such as rings, spirals and holes. On 12 December, he will defend his thesis.

• Mining the kinematics of discs to hunt for planets in formation Research output

  Detecting planets during their formation stages is crucial for understanding the history and diversity of fully developed planetary systems like our own. However, observing young planets directly is challenging because they are often deeply embedded within their host protoplanetary discs, rich in gas…

• 
  Lukasz Tychoniec Postdoc

• Chemistry in embedded disks: setting the stage for planet formation Research output

  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.

• Imaging the water snow line within a protoplanetary disc News - 13 July 2016

  Research using the ALMA telescope by scientists including Leiden's John Tobin and Steven Bos has produced the first images of the water snow line within a protoplanetary disc. Publication in Nature on 14 July.

• Mind the gap: gas and dust in planet-forming disks Research output

  Promotores: Prof.dr. E.F. van Dishoeck, Prof.dr. C.P. Dullemond

• Willem de Rooij - Dirk Valkenburg: A Critical Analysis of Visual Culture in the Early Modern Netherlands Research output

  Amsterdam painter Dirk Valkenburg (1675–1721) produced some of the earliest depictions of Indigenous and enslaved people on Surinamese sugar plantations – idealized images that conceal the violence of colonialism.

• In memoriam – Dirk Huyge (1957 – 2018) News - 25 September 2018

  NVIC suffered a great loss by the passing of Dirk Huyge, curator of Prehistoric and Early Dynastic Egypt at the Art & History Museum, Brussels. Dirk Huyge will always be remembered for his role in establishing a systematic approach for rock art research in Egypt. May all the beautiful memories be…

• Uncovering the ingredients for planet formation Research output

  This thesis discusses the physical and chemical processes than influence the composition of forming planets.

• Turtles all the way down: multiscale simulations connecting star and planet formation Research output

  The formation of stars and planets happens over multiple scales, which can interact. In particular, planet formation happens in the dense, complex environment of star forming regions.

• A Herbig disk view of planet formation Research output

  In the past decade many population studies have been performed with the Atacama Large Millimeter/submillimeter Array (ALMA) to understand the bulk properties of protoplanetary disks around young stars. These population studies mostly consisted of low mass stars, with relatively few of the disks around…

• Dusty perspectives on the cradles of planets Research output

  Astronomy began by studying the light from the stars. These stars are born in vast clouds of gas and dust.

• Olympic gold for Industrial Ecology student Dirk Uittenbogaard News - 28 July 2021

  Dirk Uittenbogaard, a student on the Delft-Leiden Master’s in Industrial Ecology, has won a gold medal for rowing at the Olympic Games in Tokyo. Uittenbogaard took gold in the men’s quadruple sculls, together with Abe Wiersma, Tone Wieten and Koen Metsemakers.