167 search results for “supermassive black help” in the Staff website
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Supermassive Black Holes
Lecture, Studium Generale
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Caitlin Black
Science
c.e.black@cml.leidenuniv.nl | +31 71 527 2727
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Lindsay Black
Faculty of Humanities
l.black@hum.leidenuniv.nl | +31 71 527 2218
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Karwan Fatah-Black
Faculty of Humanities
k.j.fatah@hum.leidenuniv.nl | +31 71 527 2666
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Dutch researchers uncover hidden supermassive black hole
An international team of astronomers led by Violeta Gámez Rosas (Leiden University) has observed a supermassive black hole hidden in a ring of dust. This discovery fits the idea that the so-called active centers of galaxies are much more similar than observations show, because the viewing angle from…
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On a quest to discover where stellar-mass black holes merge
PhD defence
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Astronomers Discover Ancient Solitary Quasars with Mysterious Origins
An international team of astronomers, including Leiden PhD student Elia Pizzati, has observed several ancient quasars that, surprisingly, appear to be floating alone in the early universe (less than a billion years after the Big Bang). Until now, astronomers, based on models, assumed that quasars are…
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Greedy Supermassive Black Holes
Lecture, Oort lecture
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Algorithm Design for Mixed-Integer Black-Box Optimization Problems with Uncertainty
PhD defence
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Black hole one year later: proof of a persistent shadow
The brightness peak of the ring around M87's supermassive black hole has shifted 30 degrees counterclockwise in a year. This is shown by new images released by the Event Horizon Telescope consortium.
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Supermassive Black Holes and Where to Find Them
Lecture, Oort lecture
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First photo of black hole at the heart of our Galaxy
Finally we know for sure that there is a black hole at the centre of our own galaxy. Today, astronomers unveiled the first ever photo of Sagittarius A*, a super-massive object at the centre of the Milky Way. This picture could only be taken thanks to the cooperation of telescopes worldwide.
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Esther van Leeuwen
Faculteit der Sociale Wetenschappen
e.a.c.van.leeuwen@fsw.leidenuniv.nl | +31 71 527 1303
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Finding the origin of giant black holes
‘Space Antenna LISA will open an unprecedented window on the Universe,’ says astronomer Elena Maria Rossi. The mission will be the first one to detect Gravitational Waves from space. These can tell us more about the beginning of our Universe and the formation of black holes. With an NWO grant of twelve…
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Help desks
We want to make it easy for you to do your work at Leiden University. Find out how to submit queries, get help, log issues or request other services.
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Elena Maria Rossi continues her search for the origins of the largest black holes, but now as a professor
Elena Maria Rossi is fascinated by black holes. Her appointment as a professor was a long-held wish, partly because there are so few female professors in her field. ‘My appointment is also a milestone for the Leiden Observatory.’
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Help and support
Do you need help in preparing your lectures or courses? You can ask your questions to various organisations within the university.
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Help and support
Do you have a question about submitting an invoice? Or do you need help with procurement? Below you will find more information.
- Help and support
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Dutch astronomers observe giant jets emanating from black hole
An international team of astronomers led by Dutch scientist Martijn Oei has discovered the largest pair of jets from a black hole ever seen. The 'jumbojets' extend a combined length of 140 Milky Ways. The Leiden Observatory played a prominent role in this research. The publication will feature on the…
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Help, support and complaints
Do you need support in arranging HR matters? Do you want to submit a complaint? Here you will find more information and contact details.
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Help and support
Are you looking for a contact person, because you for instance have a question about privacy, or you need a ULCN guest or uSis account? Or do you need a manual or application form? Below you will find more information.
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Scientists discover the largest stellar black hole in the Milky Way
A European team of astronomers has discovered the largest stellar black hole in the Milky Way. It is more than thirty times as massive as our sun and is located in the constellation of Aquila, about two thousand light-years from Earth. The astronomers stumbled upon the black hole by chance while preparing…
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Online self-help for students
Leiden University offers students access to the platform MoodLift. The MoodLift programmes are an easy way for students to work on their mental health. There is also the platform Gezonde Boel which offers e-modules.
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Help for prospective Leiden academics
Are you looking for a grant to come to Leiden? Here you will find an overview funding opportunities available and steps to take.
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Black holes are sometimes gigantic volcanoes. Martijn Oei earned his PhD on the subject, with honours
Not everything that comes close to a black hole is swallowed by it. Black holes can also hurl material away, and that chance turns out to be considerably bigger than previously thought. Martijn Oei's accidental discovery and his subsequent research on it earned him a cum laude promotion on 12 Decemb…
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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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Motion of stars near Milky Way's central black hole is only predictable for few hundred years
The orbits of 27 stars orbiting closely around the black hole at the center of our Milky Way are very chaotic. As a result, researchers cannot predict with confidence where they will be in about 462 years. ‘That is astonishingly short,’ says astronomer Simon Portegies Zwart who collaborated on the r…
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Help for prospective Leiden academics
Are you looking for a grant to come to Leiden? Here you will find an overview funding opportunities available and steps to take.
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Outbreak of an infectious disease? Mathematics helps in making quick, informed decisions
A job thanks to COVID—something not many people can claim. But PhD candidate Vera Arntzen can. Over the past four years, she has mapped two crucial characteristics of SARS-CoV-2 infections. Thanks to her research, experts can now make well-informed decisions on matters like quarantine duration, which…
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Vivian Kraaij
Faculteit der Sociale Wetenschappen
kraaij@fsw.leidenuniv.nl | +31 71 527 3736
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Sjoert van Velzen receives Vidi grant to solve 'riddles from the universe'
Minuscule elementary particles from space colliding with Earth can give us an insight into the distant objects they come from. But first, you need to know how to catch them. With a Vidi grant from NWO, researcher Sjoert van Velzen will 'hunt' for neutrinos coming from exploding black holes.
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Help desks switch to inclusive salutation: ‘Times change, and we change with them’
Dear Sir or Madam? Many colleagues think that sounds out of date. That is why the hundreds of thousands of automated messages sent by university help desks every year will now include a gender-neutral salutation. This change is an extensive but important ICT job, says product owner Julian van der Kr…
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Emergent Space-Time, Black Holes and Quantum Information
PhD defence
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Surprising molecule helps detect protoplanets
A team of scientists, including Leiden Astronomer Alice Booth, has discovered silicon monosulfide molecules in the dust disk around a young star. Such molecules indicate planet formation. The team made the discovery using the ALMA telescopes. This method provides an alternative when direct observation…
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Vacancies: help produce central secondary education exams
Education
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Help answer public questions sent to Postbus71
Research
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Helping cancer patients with treatment choices
Researchers at the Leiden Institute of Advanced Computer Science (LIACS) are collaborating on the development of a conversation tool for patients with breast, prostate and skin cancer. The aim is to create a conversation tool that can support cancer patients in their care and help them make decisions.…
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Zooming in on Black Holes with a telescope the size of planet Earth
Lecture, Kaiser Spring Lecture
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Galaxies have bipolar gas outflows far into intergalactic space
For the first time, astronomers have observed in three dimensions that gas from spiral galaxies is blown upwards and downwards at high speed, far out of the galaxy. They thereby confirm the theory of galaxy evolution: that star-forming galaxies create intergalactic gas flows by discharging gas along…
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Design METIS instrument for the Extremely Large Telescope finalised
The design for the METIS instrument for the Extremely Large Telescope (ELT) is final. The European Southern Observatory (ESO) has given the green light for production of all parts of the instrument. It is the first ELT instrument, designed and to be built under Dutch leadership, to formally pass the…
- Help increase your faculty’s NSE response rate
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Help increase your faculty’s NSE response rate
Education
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Help increase your faculty’s NSE response rate
Education
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Call: help a student and become a host
Social
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Students help make Maldives more fertile
Its idyllic setting and white sandy beaches have made the Maldives a hotspot for tourists. This provides an income but is a problem for the fragile natural environment. Students from various universities worked with the local people to make the soil more fertile. How did they go about it?
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How fungi are helping us be more sustainable
Professor of Fungal Genetics and Biotechnology Arthur Ram explains how fungi can help us be more sustainable.
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Join Stoptober and get help with quitting smoking
Social
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Privacy: don’t wait too long to seek help
ICT
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Model-Assisted Robust Optimization for Continuous Black-Box Problems
PhD defence