797 search results for “supermassive black home” in the Public website
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Caitlin Black
Science
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Lindsay Black
Faculty of Humanities
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Astronomers publish map showing 25,000 supermassive black holes
An international team of astronomers has published a map of the sky showing over 25,000 supermassive black holes. The map, to be published in the journal Astronomy & Astrophysics, is the most detailed celestial map in the field of so-called low radio frequencies. The astronomers, including Leiden astronomers,…
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Karwan Fatah-Black
Faculty of Humanities
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Supermassive black holes and powerful telescopes: new Professor Joe Hennawi
Meet the newest Full Professor at the Leiden Observatory: Joe Hennawi. All the way from Santa Barbara, California, Hennawi will strengthen the astronomy institute. In Leiden, he will use his recent ERC Advanced Grant to study how supermassive black holes come into existence.
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Far from home: the science exploitation of the fastest Milky Way stars
The Sun and all the stars in the night sky reside in the Milky Way galaxy. In the at-rest reference frame of the Galaxy, typical stars travel with velocities of about 100-200 kilometres per second.
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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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The mysteries of exoplanets and supermassive black holes: two Vici grants for Leiden Observatory
One unravels the origin of the largest black holes in the universe, the other investigates the influence of stellar wind on the atmosphere of exoplanets. Both Elena Maria Rossi and Aline Vidotto receive a Vici grant for their research into the mysteries of the universe. ‘I have no idea yet how we can…
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THE BLACK ARCTIC
Since the Middle Passage is in the North Atlantic, and the North Atlantic has a relationship with the arctic, what relationship does the Arctic have with the Middle Passage? How can this relationship be used to provide a space of healing by uncovering Afro/diasporic counter narratives?
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Clues from stellar catastrophes
Promotores: S.F. Portegies Zwart, E. M. Rossi
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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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Cosmologists propose new way to form primordial black holes
What is dark matter? How do supermassive black holes form? ‘Primordial’ black holes might hold the answer to these long-standing questions. Leiden and Chinese cosmologists have identified a new way in which these hypothetical objects could be produced just after the Big Bang. Publication in Physical…
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Hydrodynamics and the quantum butterfly effect in Black Holes and large N quantum field theories
Why do black holes emit thermal radiation? And how does a closed quantum system thermalize?
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Home Ecologics – Dutch multispecies homes
How do humans, non-humans and their interactions and relations shape the home as ecological and social space?
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Applied String Theory: Explaining Quantum Matter with Black Holes
Schalm
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HOME
HOME will search for a diversity of Palaeolithic shelters during the Late Pleistocene through informed systematic surveys and excavations of archaeological sites in East-Central Europe.
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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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Home sweet home
Investigating Neolithic houses in Britain through microwear and residue analysis of stone tools
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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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Stochastic and Deterministic Algorithms for Continuous Black-Box Optimization
Continuous optimization is never easy: the exact solution is always a luxury demand and the theory of it is not always analytical and elegant.
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A Class of Their Own - Black Teachers in the Segregated South
In this book Adam Fairclough chronicles the odyssey of black teachers in the South from emancipation in 1865 to integration one hundred years later.
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Moroccan Register of “Slaves” in the Early 18th Century: Enslavement, Blackness and Racial Binary
Lecture
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Monsters in the Deep: Using simulations to understand the excess baryonic mass in the centres of high-mass, early-type galaxies
This thesis aims to enhance our understanding of galaxies by testing theoretical models of galaxy formation against observations, particularly in the cases of extreme systems which have been found to have an excess of baryonic mass in their central regions, in the form of either supermassive black holes…
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Surrogate-Assisted Optimization Techniques for Expensive Constrained Black Box ProblemsBagheri, S.
Optimization tasks in practice have multifaceted challenges as they are often black box, subject to multiple equality and inequality constraints and expensive to evaluate.
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White Lies and Black Markets. Evading Metropolitan Authority in Colonial Suriname, 1650-1800
In White Lies and Black Markets, Fatah-Black offers a new account of the colonization of Suriname—one of the major European plantation colonies on the Guiana Coast—in the period between 1650-1800.
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Healthy University @Home
What can we do to ensure we study and work at home in a healthy and responsible way? Leiden Healthy University, part of the international healthy universities network, has put together some tips and tools to help you.
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Greedy Supermassive Black Holes
Lecture, Oort lecture
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Feel at Home Fair
If you've only just come to live in the Netherlands, life can at times be both exciting and difficult. To help you feel at home more quickly, a Feel at Home Fair is being organised in city hall, The Hague on 3 February. Leiden University will be present at the fair. It's a good opportunity to attend…
- Going back home
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Going home again
So your time at Leiden University is coming to an end. We hope you enjoyed it.
- Going back home
- Going back home
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Opening the Black Box: The Making of India’s Foreign Policy
How is Indian foreign policy made? This special issue of the journal India Review, edited by political scientists Nicolas Blarel (Leiden University) and Avinash Paliwal (SOAS University of London) features a number of interesting case studies that bridge the gap between Foreign Policy Analysis and India’s…
- Going back home
- Going back home
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Black hole fed by cold intergalactic deluge
An international team of astronomers has witnessed a cosmic weather event that has never been seen before.
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Increasing Biodiversity at Home
As we are working very hard to make our University more green, it is of upmost importance that you join us in our battle and start increasing the local biodiversity from your own house! Every bit will help, it is beneficial for you own mental health and most importantly it is fun! We have created this…
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Model-assisted robust optimization for continuous black-box problems
Uncertainty and noise are frequently-encountered obstacles in real-world applications of numerical optimization. The practice of optimization that deals with uncertainties and noise is commonly referred to as robust optimization.
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Things Change: Black Material Culture and the Development of a Consumer Society in South Africa, 1800-2020
This book is the first systematic analysis of the changes in the use of goods and services by households of Black South Africans since the early nineteenth century.
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At Home Otherwise: Rethinking Heritage through Diversity
This project investigates diversifying and democratizing heritage through practices of “home-making”. We propose to research ‘home-making’ as a non-binary practice of combining memories of roots and routes, dwelling in the present, and desires for the future.
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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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Discover More HyperVelocity Stars to shed light on the Galaxy
Rossi
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Here is how you can help astronomers to identify black holes
Scientists are asking your help to find the origin of hundreds of thousands of galaxies that have been discovered by the largest radio telescope ever built: LOFAR. Where do these mysterious objects, which extend for thousands of light-years, come from? A new citizen science project called LOFAR Radio…
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Dynamics and radiation from tidal disruption events
When a star gets too close to a supermassive black hole, it is torn apart by strong tidal forces in a tidal disruption event (TDE).
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EU Justice Home Affairs Agencies: Securing Good Governance
Dr Madalina Busuioc has completed a study for the European Parliament titled
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Photographic traditions in black popular modernities: towards a socio-historical analysis of the visual economy in and beyond South Africa
The aim of the project is to contribute to the process of archive formation ongoing in Post-Apartheid South Africa through the inclusion of photographs that have been either unacknowledged or excised from the national canon.
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Extremely loud & incredibly far: observing radio bright AGN into the cosmic dawn
In this thesis new methodologies are developed for the detection and systematic study of radio sources in the early universe. This allows us to gain a deeper understanding of the formation and evolution of galaxies, the activity of supermassive black holes, and the final phase transition of our universe:…
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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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Black Pete debate
On 3 December the Europa Institute organised a debate about the figure of Black Pete. The central theme of the debate was the role which the law can play in deciding the future of Black Pete.