2,109 search results for “radio lines” in the Public website
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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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Unveiling the nature of giant radio galaxies
The thesis deals with the study of giant radio galaxies (GRGs), which are radio galaxies of megaparsec sizes.
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Early Dutch Radio Astronomy (1940-1970)
Promotores: F.H. van Lunteren, F.P. Israel
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Radio galaxies near the epoch of reionisation
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.
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Time Domain Imaging of Transient and Variable Radio Sources
This thesis focuses on the study of transient and variable radio sources in the universe.
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Radio galaxies at low frequencies: high spatial and spectral resolution studies with LOFAR
Promotor: H.J.A. Röttgering, Co-promotor: G.K. Miley
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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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Distant star formation in the faint radio sky
One of the key quests in astronomy is to study the growth and evolution of galaxies across cosmic time. Radio observations provide a powerful means of studying the formation of stars and subsequent buildup of distant galaxies, in a way that is unbiased by the presence of dust.
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Stellar radio beacons for Galactic astrometry
A century ago, it was unclear whether the stars in the sky were clustered in groups, or widely spread in the universe.
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Kimberly Emig
Science
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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, Co-Promotor: J.B.R. Oonk
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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.
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The spin evolution of accreting and radio pulsars in binary systems
Pulsars were first discovered in 1967 and since then the population has grown and expanded over several wavelengths.
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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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Line van Wersch
Faculteit Archeologie
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Research lines
Physics and Engineering Approaches to Biomedicine and Pharmacology
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Research lines
Current research at the Skin Barrier and Vaccination group.
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Facets of radio-loud AGN evolution: a LOFAR surveys perspective
Promotor: H.J.A. Rottgering, Co-Promotor: R.J. van Weeren
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Abstract delta modeling: software product lines and beyond
Promotor: Prof.dr. F.S. de Boer, Co-promotor: D. Clarke
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Astronomers discover furthest radio galaxy ever
After almost twenty years the record for the most distant radio galaxy has been broken. A team of astronomers led by Leiden PhD candidate Aayush Saxena has discovered a radio galaxy from the time when the universe was just one billion years old. The galaxy is at a distance of 12 billion light years…
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Jan Hendrik Oort: star of Dutch radio astronomy
The success of Dutch radio astronomy in the last century was largely due to Leiden astronomer Jan Hendrik Oort. He made astute use of circumstances in the post-war period. Historian Astrid Elbers' research focuses on this golden period.
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Radio 1
Ineke van der Ham gives a radio interview at Radio 1.
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Winds in the AGN environment: new perspectives from high-resolution X-ray spectroscopy
Promotor: J.S. Kaastra Co-promotor: E. Constantini
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Radio New Babylon
Radio New Babylon, to be heard around Anna van Beurenplein, Den Haag, from 1-10-2021 onwards, is a collection of sound works by local and international artists inspired by the work of Constant Nieuwenhuys, and developed in the context of the Interdisciplinary Research Group (ACPA, KC, KABK).
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No exams or lectures, but building a radio telescope with empty paint cans
No more lectures and exams for the Radio Astronomy course taught by Michiel Brentjens. The corona crisis is a moment of reflection that has changed his whole way of teaching. Instead of being in front of the class, he lets his students build a radio telescope with paint cans.
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label-free detection of GPCR-mediated drug responses in personal cell lines
Source: Biosens Bioelectron, Volume 74, pp. 233-42 (2015)
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Triple bottom line approach for risk-benefit analysis of genetically modified crops
Description of Triple bottom line approach for risk-benefit analysis of genetically modified crops.
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Inaugural lecture: X-ray diagnostics in space: Lines in the universe
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Pesticides Atlas overhauled in line with European Framework Directive on Water
The Dutch atlas with pesticides concentrations in surface waters have been overhauled. This new, free accessible, website is in line with the European Framework Directive on Water (In Dutch: KRW).
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Orchestration of Distributed LOFAR Workflows
The LOFAR radio telescope produces petabytes of data every year. Radio Astronomers use complex multi-step pipelines to process this data and produce scientific images.
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A fresh view on carbon radio recombination lines powered by LOFAR
PhD Defence
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Reijer Passchier on radio about Big Tech
Last Saturday, Reijer Passchier was a guest on one of his favourite radio programmes: Dr. Kelder en Co.
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Astronomers find largest radio galaxy ever
By a stroke of luck, a team led by Dutch PhD student Martijn Oei has discovered a radio galaxy of at least 16 million lightyears long. The pair of plasma plumes is the largest structure made by a galaxy known thus far. The finding disproves some long-kept hypotheses about the growth of radio galaxie…
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Lines in the sand: behaviour of self-organised vegetation patterns in dryland ecosystems
Vast, often populated, areas in dryland ecosystems face the dangers of desertification.
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active cyber defense and (international) cyber security—pushing the line?
This article on private active cyber defense by Dennis Broeders is part of a special issue of the Journal of Cybersecurity, based on a selection of contributions taken from the 2019 Conference on Cyber Norms organized by The Hague Program for Cyber Norms.
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elections: A fragmented picture as Rutte and Wilders draw their battle lines’
The parliamentary elections in the Netherlands, scheduled for March 2017, are likely to result in a fragmented parliament and a complicated coalition formation process, according to Dutch political scientist Hans Vollaard (Leiden University).
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Siberian 'unicorn' takes centre stage in radio interview
The publication in Nature Ecology & Evolution about the so-called Siberian unicorns took centre stage in a Dutch radio interview.
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Suliman Ibrahim was interviewed in the radio program ‘Huna Libya’
On 25 April 2016, Suliman Ibrahim, Senior Researcher at the VVI, was a guest expert on the weekly radio program: 'Huna Libya', a joint initiative by the Libyan al-Wasat Radio and Radio Netherlands Worldwide (RNW).
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Radio broadcast on Leiden wall formulas on BNR
BNR Radio has broadcast an item on the physics formulas that are painted on walls across the Leiden historic city center. The wall formulas are initiated by Sense Jan van der Molen and Ivo van Vulpen.
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Joost Frenken on Radio 1 Langs de Lijn en Omstreken
Physicist Joost Frenken was interviewed on the radio show 'Langs de Lijn en Omstreken' (Radio 1) about the recent discovery of superconductive graphene. The one-atom-thick material was already known for its strength, flexibility, lightweight and good conductivity.
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Faint Quasars at Very Low Frequencies
In this thesis, we use low-frequency and high-frequency radio observations to address the following questions regarding quasars: is the radio loud/quiet quasar dichotomy real?
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Armin Cuyvers discusses Brexit on Business News Radio (BNR)
On Tuesday June 14th, Dr. Armin Cuyvers of Leiden Law School discussed the legal consequences of a possible Brexit in the radio program Juridische Zaken (Legal Matters) of Business News Radio (BNR).
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Radio interview with Bart Barendregt on the Indonesian digitising society
Anthropologist Bart Barendregt is participating in a new Indonesian study program that focuses entirely on the Indonesian digital society. The Radio 1 NPO program Focus interviewed Barendregt 'live' from Java about his research on social media, Islam and boy bands.
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Joris Larik on BBC World Service Radio about Brexit
Joris Larik was interviewed by BBC World Service radio on the state of Brexit negotiations, the Irish border issue and ongoing Dutch preparation.
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Archaeologist Sada Mire hosts radio and TV programmes
Somali archaeology in Somaliland takes centre stage in a BBC World Service radio programme and a China Global Television Networks (CGTN) programme, both presented by archaeologist Sada Mire.
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Adriaan Bedner op NPO Radio 1 over omstreden wetten Indonesië
In Indonesië zijn studenten massaal in opstand gekomen tegen de regering, die vlak voordat er straks een nieuw parlement aantreedt, nog snel een aantal nieuwe wetten wil doorvoeren.
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Rene Kleijn on BNR radio about critical materials
The recent trade dispute between the U.S. and China has renewed the attention for the dependency of the U.S. and many other developed countries on the imports of critical materials. Recently this has led to an initiative by the U.S. government to team up with resource rich countries like Australia and…
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Tanja Masson-Zwaan discusses Space Mining on BBC Radio
Tanja Masson-Zwaan, an assistant professor at the Institute of Air and Space Law, spoke on Friday 14 April about space mining on BBC Radio.
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Thijs Bosker on NPO Radio 1: Plastic pollution in Antarctica
On Friday morning, 8 June, Thijs Bosker, Associate Professor at Leiden University College, was interviewed by NPO Radio 1 on plastic pollution in Antartctica: ''Anually, an additional 4 - 12 billion kilos of plastic ends up in our ocean''.
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Geert de Snoo on lion conversation on radio Science071
Together with colleagues and students, Professor of conservation biology Geert de Snoo studies the decline of the lion population in a national park close to Kenia's capital city, Nairobi. He discusses how they try to protect the lions on radio Sleutelstad FM.