877 search results for “radio astronomy” in the Public website
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Astronomy at Dutch universities is worldleading
Astronomy departments at Dutch universities is among the top of the world rankings for astronomical institutions. This is the conclusion drawn from a recent evaluation of the Netherlands Research School for Astronomy (NOVA) and the astronomy institutions of the University of Amsterdam, the University…
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Radio 1
Ineke van der Ham gives a radio interview at Radio 1.
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Beijing Normal University visits Leiden for Astronomy Summer School
The Leiden Observatory was very pleased to welcome eight bachelor’s students from Beijing Normal University at 8 July for the BNU Astronomy Summer School. In two weeks’ time, the Summer School students followed an interactive programme in computational astrophysics. ‘It’s surprising how much you can…
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Ronald Stark and Amina Helmi join the management of NOVA
The directorate of the Netherlands Research School for Astronomy (NOVA) has two new members. Ronald Stark (currently at NWO) will be the new Executive Director of NOVA from 1 September. Amina Helmi (Professor of Dynamics, structure and formation of the Milky Way at the University of Groningen) will…
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First direct detection of a brown dwarf with a radio telescope
Astronomers at ASTRON and Leiden University have used the LOFAR radio telescope to discover a 'brown dwarf' – a faint object more massive than Jupiter, but significantly less massive than the Sun. The discovery of the object dubbed Elegast, opens up a new path that uses radio telescopes to discover…
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Europe to foster the Social-Economical Impact of Astronomy
The European Regional Office of Astronomy for Development (E-ROAD) has held its first conference session at the 2020 virtual Annual Meeting of the European Astronomical Society (EAS), the largest astronomy conference in Europe. The E-ROAD is an initiative of the International Astronomical Union, the…
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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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George Miley
Science
miley@strw.leidenuniv.nl | +31 71 527 5849
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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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Leiden project wins international astronomy engagement award
The online summer programme Space in Your Living Room by Leiden Observatory has won the first prize ‘Most Innovative Event’ of the Astronomy@Home Awards from the International Astronomical Union. In July and August 2020, participants could for example talk to real astronauts and imagine life forms in…
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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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Multimessenger astronomy to study the structure of Milky Way
For centuries, astronomers have studied the universe by collecting light signals. Since 2015, the confirmation of an important prediction of Einstein allows us to explore the universe in a new way: through gravitational wave radiation. Astronomy PhD candidate Valeriya Korol proposes to use these gravitational…
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Prestigious Edinburgh Medal awarded for ‘Astronomy for Development’
The Edinburgh Medal 2016 had been awarded to both Kevin Govender of the Office of Astronomy for Development (OAD) and the International Astronomical Union (IAU). The award is a recognition for furthering education and technological capacity worldwide through the inspirational science of astronomy. The…
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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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Leiden astronomers in astronomy podcast
Five Leiden astronomers tell about science in the podcast Astronomy et al. This podcast was set up by Ricardo Garcia Soto in September 2016 and is focused on anyone who is interested in science.
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Clusters of galaxies better in view with radio X-ray combination
Through the clever use of two types of telescopes, a team of researchers has produced stunning images of clusters of galaxies. This not only produces beautiful images, but also provides more information about the enormous amounts of energy released around supermassive black holes in clusters. The astronomers,…
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Joshua Albert
Science
albert@strw.leidenuniv.nl | +31 71 527 2727
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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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About us
The International Institute of Air and Space Law, founded in 1985, collaborates with many world-class academic institutions.
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Knowledge for the public
Knowledge is everywhere at Leiden University. It is also accessible for those who do not study or work at the University.
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Research Projects, Categories and Supervisors
These are the proposed research projects for LEAPS 2019. Please note that not all projects will go ahead and some may still be added in the near future. Final funding decisions lie with the Faculty sponsors. And please make a note that if you are interested in an ESA project, to check if your state…
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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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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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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.
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The dust and molecular gas in the torus of NGC 1068
An Active Galactic Nucleus (AGN) is a highly luminous region at the center of a galaxy, powered by the accretion into a supermassive black hole and emitting energy from radio waves to gamma rays, often outshining the host galaxy.
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Bart Custers on CBC Radio on selling your own data
Companies like Facebook and Google make billions of dollars by selling or using our personal data. The data could be used by many different entities for many different reasons: from universities for research, to brands for creating targeted ads. But rather than just giving their data away to these companies…
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Colliding magnetic fields reveal unknown planets
Northern lights, stellar winds and exoplanets. This is what astronomer's PhD research revolved around. PhD candidate astronomer Rob Kavanagh developed mathematical models to better understand the interactions between exoplanets and stellar winds and to define features of exoplanets. He will receive…
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Career Information Meeting Astronomy & Physics (CIMAP)
Dear student, Join the Career Information Meeting Astronomy & Physics (CIMAP) and launch your career! The meeting is set up especially for Astronomy and Physics master’s and 3rd year bachelor’s students and takes place on Monday October 9th from 15:30 - 17:30 hrs in room HL414.
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Michiel Hogerheijde temporary programme director MSc Astronomy
Michiel Hogerheijde has been appointed temporary programme director of the Astronomy master's programme from 1 January to 1 September 2024. He takes over the duties of Harold Linnartz, who unexpectedly passed away at the end of December. Hogerheijde combines the position with his duties as programme…
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Two Leiden astronomers awarded with prestigious IAU PhD Prize
Two Leiden astronomers will receive the prestigious IAU PhD Prize. Both Jorryt Mathee and Niels Ligterink of the Leiden Observatory won a prize. Scientific director Huub Röttgering: We are proud that this year two of our PhD students receive an IAU prize for the best thesis in their field of researc…
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Ingrid Leijten on radio about freedom of expression
On 12 November Ingrid Leijten was a guest on Dutch NOS NPO Radio 1 programme Met het Oog op Morgen. She was asked to speak about the right to freedom of expression.
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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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Royal honour for astronomer Tim de Zeeuw
Leiden astronomer Tim de Zeeuw has been appointed Knight in the Order of the Dutch Lion. He received the distinction on 14 May to mark his departure as Director General of the ESO European Astronomy organisation. The celebration took place during the 2018 Dutch Astronomers Conference in Groningen.
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The Anharmonic Infrared Spectra of Polycyclic Aromatic Hydrocarbons
This thesis presents the anharmonic infrared spectra of a series of polycyclic aromatic hydrocarbons. Comparisons and characterizations are made based on high-resolution low-temperature gas-phase experimental spectra.
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Ana Cristina Arcos Marin
Science
a.c.arcos.marin@liacs.leidenuniv.nl | +31 71 527 2727
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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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Dancing with the Stars
This thesis develops a method for direction dependent calibration of the ionosphere in radio interferometric data.
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Rowie Stolk on NPO Radio 1 about passport alerts
In the Netherlands, anyone who loses their passport or ID card too often can be added to the Passport Alerts Register. As a result, a passport application may be denied or the passport must be surrendered. Rowie Stolk, PhD candidate at the Department of Constitutional and Administrative Law, spoke on…
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A much sharper picture of the universe with new algorithms and supercomputers
With new algorithms and supercomputers, an incredibly detailed radio map of the universe was created. Now astronomers can look at radio data of galaxies with much more precision. This was published in Nature Astronomy by Leiden PhD student Frits Sweijen and colleagues.
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Infrared spectroscopy of astrophysically relevant hydrocarbons
This thesis is about the study of hydrocarbons via infrared spectroscopy.
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Is there anybody out there? On the quest for extraterrestrial life.
Leiden Professor of Astronomy Mike Garrett is searching for signs of extraterrestrial intelligence. In his Kaiser lecture on 23 April he will discuss how far science has progressed in this quest.
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In Leiden, Indigenous artists share their view of the night sky
On Saturday October 16, the special exhibition ‘Shared Sky: Canvases of the Universe’ opens in the Old Observatory in Leiden. The exhibit takes a cultural look at the starry sky by Aboriginal Australian and South African artists, and features colorful artwork that explores how these Indigenous cultures…
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Ewine van Dishoeck interviews minister Dijkgraaf - Astronomy celebrates 60 years of ESO
With a special symposium at Museum Boerhaave, ESO celebrated its 60th anniversary on Monday, 26 September. More than 100 scientists, politicians and people from industry were present to look back on collaborations, milestones and discoveries. Leiden astrochemist Ewine van Dishoeck was one of the pre…
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Leiden has highest percentage female first year students Physics & Astronomy
The bachelor education programmes of Physics and Astronomy in Leiden combined have the highest percentage female first year students in The Netherlands, according to numbers published by the Dutch Journal of Physics.
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Michiel Hogerheijde, professor by special appointment of Instrumental Astronomy UVA
Dr M.R. Hogerheijde (1971) has been named professor by special appointment of Instrumental Astronomy at the University of Amsterdam (UvA)’s Faculty of Science. The chair was designated on behalf of the Society for the Promotion of Physics, Medicine and Surgery.
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Leiden astronomer Henk van de Hulst: humble man with great authority
World-famous among astronomers, humble, and averse to conventions. On 23 April, the Dutch biography about Henk van de Hulst was published. Biographer Dirk van Delft: ‘This remarkable man deserved a biography.’
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Bridging Sri Lanka and The Netherlands through astronomy
'Find your way from the stars’, an online workshop on Nautical Astronomy, was one of the winners of The Netherlands Online Cultural Challenge 2020. The workshop was conducted in collaboration with the IAU Office for Astronomy Outreach, Leiden University’s Astronomy & Society Group, and the Department…
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Female Researchers in the Spotlight for Physics & Astronomy Ladies' Day
On Thursday November 15th, Leiden University organizes its Physics & Astronomy Ladies' Day for female high school students. To mark this festive day, we put the spotlight on five female researchers, who talk about their experiences working in science.
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Vijver en Barmentlo in radio show Vroege Vogels about Living Lab results
Water fleas and damselflies are much more sensitive to crop protection products in nature than in the lab. These test results from the Living Lab were presented by Henrik Barmentlo and Martina Vijver in Dutch radio show Vroege Vogels.