796 search results for “jaap where since telescope” in the Public website
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Exploring the interactions of M dwarf winds and cosmic rays
This thesis focus on the interaction between M dwarf stellar winds and Galactic cosmic rays and the possible effects on the habitability of exoplanets.
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LWSK
The Leidse Weer en Sterrenkunde Kring (LWSK) is a society of amateurs interested in astronomy, space travel and meteorology. The association organises a monthly lecture on a fascinating subject, given by an expert in the field.
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Suppressing a Sea of Starlight: Enabling technology for the direct imaging of exoplanets
Promotor: Christoph U. Keller, Co-promotores: Matthew A. Kenworthy, Frans Snik
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Project TARGET: Fatal firearm violence down by 50% since the ‘90s of the previous century
Project TARGET is a research project aimed at the relation between the illegal arms trade and firearm violence. In a study conducted in seven countries, the researchers took a look at the differences and similarities. Katharina Krüsselmann and Marieke Liem took a closer look at the situation in the…
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Massive Stars Are Factories for Ingredients to Life
NASA’s telescope SOFIA has provided a new glimpse of the chemistry in the inner region surrounding massive young stars where future planets could begin to form. Leiden PhD candidate Andrew Barr writes about it in the Astrophysical Journal. The scientists found massive quantities of water and organic…
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Sharp rise in purchasing power since 1977, inequality stable in recent years
In the period 1977–2020, the purchasing power of the Dutch population increased by 58 percent. The sharpest rise occurred from 1999–2009 (22 percent). This is the outcome of research conducted by Leiden University and Statistics Netherlands (CBS).
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The Legitimacy and Effectiveness of Law & Governance in a World of Multilevel Jurisdictions
Is the legitimacy of law and governance of multilevel jurisdictions diminishing? What is the significance of (diminishing) legitimacy for the effectiveness of law? These kinds of questions about the legitimacy of the supranational formation of law, its application, and the policy and governance based…
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receive seed grant for their project 'Transnational Gay/Lesbian Activism since the 1960s'
Andrew DJ Shield (History) and Ann Marie Wilson (Leiden University College) have been awarded a seed grant for their project, “Transnational Gay/Lesbian Activism since the 1960s.” Granted: €3000.
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Where does the quantum world end?
With his ice-cold nano force sensor, Tjerk Oosterkamp searches for the boundary between the quantum world and the everyday world. The Leiden physicist has received an NWO subsidy of 600,000 euros.
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Reach & Teach: Where refugees are guest students
Seven International Studies students are at the helm of Reach & Teach, a student platform that uses language lessons and social activities to promote the integration of holders of residence permits and asylum seekers in The Hague. Elsa Varela Put chairs the project and explains how it came into bein…
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How the speed demons of the universe tell us something about the Milky Way
They hurtle along at over a thousand kilometres per second: the fastest stars in the Milky Way. PhD candidate Fraser Evans conducted research into these elusive hypervelocity stars and discovered that they have a lot to teach us, about black holes and supernovae, for example.
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ERC Consolidator Grants for six Leiden researchers
From the effects of hormone fluctuations in women via the interior structure of giant planets to the prehistory of the languages: six Leiden researchers have been awarded a Consolidator Grant by the European Research Council.
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Exploring future multi-messenger Galactic astronomy
For centuries astronomers studied the Universe by collecting light. Nowadays, we are living in times of great technological advancements, which allow us to explore our Universe in a new way - though gravitational wave radiation.
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Archive: Tatiana Afanassjewa public lectures
The Tatiana Afanassjewa-lecture series was a series of public talks in Dutch that was started during the Covid-19 lockdown. The talks were given by Leiden physicists on wednesday evenings, intended for everyone with an interest in physics.
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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.
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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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Revealing the nature of new low-frequency radio source populations
It has now been well established that shocks and turbulent motions in the intra-cluster medium (ICM) generated through cluster mergers can produce large-scale synchrotron emission.
- Leiden Observatory
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Ice and Gas in Protostellar Clouds and Planet-forming Disks
This thesis takes steps toward understanding the interaction between gas-phase and solid-state molecules in star- and planet-forming regions.
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Focal-plane wavefront sensors for direct exoplanet imaging: Theory, simulations and on-sky demonstrations
One of the key limitations of the direct imaging of exoplanets at small angular separations are quasi-static speckles that originate from evolving non-common path aberrations (NCPA) to which the primary adaptive optics system is inherently blind. The main focus of this thesis is the development and…
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Exploring the magnetic, turbulent Milky Way through radio waves
Promotor: Prof.dr. H. J. A. Röttgering, Co-Promotor: Dr. M. Haverkorn
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Astronomy (BSc)
During the bachelor’s programme Astronomy you will immerse yourself in questions about our universe. Questions such as: ‘what happens in a black hole?’ and ‘what is dark matter?’ In doing so you will learn to apply mathematics and physics to astronomical problems and you will work with computer simulations…
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Astronomy and Instrumentation (MSc)
The master's specialisation Astronomy and Instrumentation at Leiden University focuses on fully understanding the physical principles and performance of astronomical instruments and to contribute to the development of new instrumentation technologies.
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About the programme
The Astronomy and Instrumentation specialisation consists of 120 European Credit Transfer System (EC) points and includes highly specialized instrumentation courses, a selection of advanced electives and two research projects.
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Research
Research at Leiden Observatory spans the full width of modern astrophysical enquiry. It is based on observation, theory, simulation, and experiment. Two broad clusters characterize the ongoing research. Within each theme, researchers carry out their personal and specialized research programme. The two…
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Astronomers map the cosmic spider web
An international team of astronomers from Leiden Observatory and others, has for the first time mapped a piece of the dark, cosmic web. The research strengthens the hypothesis that the young universe consisted of huge numbers of small groups of newly formed stars. The astronomers publish their findings…
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Johan van Meurs Een studie over een pionierend orgeladviseur
In specialist organ literature a negative verdict is given on organs and organ specialists from the 1930’s. Did the same verdict apply to Johan van Meurs’ (1903-1986) work? Which role does Van Meurs’ collection of organ specifications play in the historical research on the organ?
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Book presentations
Now and then we organise book launches to present the latest publications, both academic and popular, in our broad field.
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International Students
By choosing Leiden University, you’ll be choosing to broaden your personal and academic horizons. You’ll be in excellent company too because you’ll be part of an inspiring community of students, lecturers and professors from all over the world. Founded in 1575, ours is the oldest university in the N…
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Open Space project: where dance meets cosmology
Until 15 May, Open Space will give room for artistic creation and experimentation in a partnership between artists and astronomers. The project is a collaboration among Nederlands Dans Theater (NDT), Korzo and the Leiden Observatory. Starting on 3 May, young dancers of NDT 2, three choreographers, three…
- 50 years since the first moon landing
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New KiDS result: Universe 10 per cent more homogeneous than assumed
New results from the Kilo-Degree Survey (KiDS) show that the Universe is almost 10 percent more homogeneous than previously thought. The new KiDS map was created using the partly Dutch OmegaCAM on ESO's VLT Survey Telescope on Cerro Paranal in Northern Chile. An international team of astronomers from,…
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What was there first? Water or planets?
Could water be present in planet-forming disks before the formation of rocky planets? The James Webb Space Telescope may have found evidence for that. Webb has for the first time observed water in the inner disc around young star where at greater distance, giant planets have already formed. The research…
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Tracing space ice and the building blocks of life
An unprecedented space telescope, an astrolab that makes space ice and molecules that may lead to the origin of life… The Ice Age project has all the prerequisites to become a very fascinating research project – if it is not one already. Leiden astronomers Melissa McClure, Harold Linnartz and Will Rocha…
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‘I now know where the locals eat in The Hague’
During the HOP week, new students in The Hague get to know the city, their study programme and - most important of all - one another. In 2018, The HOP week looked like this!
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A Universe aglow
Deep observations made with the MUSE spectrograph on ESO’s Very Large Telescope have uncovered vast cosmic reservoirs of atomic hydrogen surrounding distant galaxies. The exquisite sensitivity of MUSE allowed for direct observations of dim clouds of hydrogen glowing with Lyman-alpha emission in the…
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Using computer simulations to discover where Neanderthals lived
Archaeologist Fulco Scherjon has used computer simulations to identify where and how Neanderthals lived in West Europe. What stood out was that they probably had lots of children and lived in smaller groups than was previously thought. PhD defence on 28 May.
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Call for Papers: Where are the Women after Resolution 1325?
Since the United Nations passed Resolution 1325 on women, peace and security in 2000, it has gradually been acknowledged that women should have a powerful and decisive role in conflict prevention and conflict resolution.
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Peter Burger: 'I investigate where a strange story comes from.'
Peter Burger is a university lecturer at the master in Journalism and New Media and co-founder of Nieuwscheckers. He now teaches the course Factchecken at Leiden University. He also supervises theses and internships and conducts research into the trustworthiness of news and messages on social media.
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Quanta Magazine: where does Ewine van Dishoeck get her ideas?
In what settings do great ideas turn op? Quanta Magazine follows top scientists to their favorite places to think, tinker and create. Leiden astronomer Ewine van Dischoeck showed the magazine the Noordwijk beach. 'Somebody from the Netherlands is unavoidably linked with water.'
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NIAS grant for Robert Stein: Where do receipts come from?
Nowadays they can cause the fall of ministers, but once upon a time receipts were a new phenomenon. Associate Professor Robert Stein is to receive a grant from NIAS to map their origins.
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Student cleans up archival data and uncovers two stellar cocoons
While investigating 16 years of images of young stars from a retired astronomical camera, Leiden master's student Sam de Regt discovered that two of those stars were still enveloped in birth clouds. Never before has anyone captured these two stars in so much detail. He publishes his data-cleaning method…
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Exo-planets, star and planet formation
At Leiden Observatory, researchers investigate the origin of stars and their planetary systems. They detect and characterize planets around other stars, which are called exo-planets. They study how stars and planets form. And they follow molecules from interstellar clouds to nascent planet systems.…
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Reactivity on interstellar ice analogues
The
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Tatiana Afanassjewa public lectures about physics
The Tatiana Afanassjewa-lecture series is a series of public talks in Dutch by Leiden physicists on wednesday evenings, intended for everyone with an interest in physics.
- Practical Information
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Research in Physics, Cosmology (MSc)
The master’s specialisation Cosmology at Leiden University is positioned at the interface between Theoretical Physics and Observational Astronomy. The main elements are theory, data analysis and numerical simulations, with research on the origin of dark matter as one of the highlights.
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About the programme
Within the two-year Astronomy master’s programme, you can choose from seven specialisations, ranging from fundamental or applied astronomy research in cosmology, instrumentation or data science, to combinations of astronomy research with education, management or science communication.
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Wijnhaven: where you can get to know the world
On 10 February Leiden University celebrated the official opening of Wijnhaven, the University's newest premises in The Hague. Everyone present emphasised the added value of a modern location in the heart of the city.
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Where does the hegemony lie in the 21st century?
The book: Hegemony and World Order: Reimagining Power in Global Politics will be published this week. Jan Aart Scholte: 'We hope that students, lecturers and policy makers will start to think differently because of this book'