CITA researchers Maya Fishbach, Amanda Farah and Aditya Vijaykumar are part of an international team that has uncovered evidence of a rare form of exploding star, shedding light on one of the most cataclysmic events in the Universe. Their study, published in Nature today, confirms that black holes with masses larger than 45 times the mass of the sun are the result of previous black hole mergers,…
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Astronomers pave the way in the search for supermassive black hole binaries in the hearts of galaxies
A team of astronomers including CITA postdoctoral fellow Aretaios Lalakos and CITA Professor Richard Bond, has bolstered the evidence for the existence of one of the most remarkable, yet elusive, phenomena in the universe: pairs of supermassive black holes (SMBH) in orbit around each other in the centres of galaxies.
Their research, recently published in the journal Astronomy &am…
CITA Postdoctoral Fellow James Beattie Wins Hubble Fellowship to Decipher the Origin of Magnetic Fields in the Early Universe
Dr. James Beattie, Postdoctoral Fellow at the Canadian Institute for Theoretical Astrophysics and Princeton University, was awarded a prestigious Hubble Fellowship, announced the Space Telescope Science Institute (STScI) on behalf of NASA today.
This fellowship will allow him to build the next generation of supercomputer models to probe how the early Universe may have become magnetized by…
CITA Researcher Helps Locate the “Missing Link” in Giant Black Hole’s Power Source
New data from the Event Horizon Telescope (EHT) has provided scientists with a first-of-its-kind look at the “exhaust pipe” of a supermassive black hole.
Sebastiano von Fellenberg, a postdoctoral researcher at the Canadian Institute for Theoretical Astrophysics (CITA), is part of an international team that has identified the likely starting point of a massive cosmic jet — a powerfu…
AAS Honours Professor Peter Martin for Lifetime Leadership in Astronomy
The American Astronomical Society (AAS) has announced Professor Peter Martin as the recipient of the 2026 George Van Biesbroeck Prize for his “long-term extraordinary or unselfish service to astronomy.” The AAS, a leading international body for astronomers since 1899, grants this award every two years to honour individuals whose lifelong commitment to scientific discovery and social good…
CITA Fellow James Beattie and Team Win Top Supercomputing Honour
A team led by CITA Fellow, Dr. James Beattie, received the HPCwire Editors’ Choice Award for “Top HPC-Enabled Scientific Achievement” for 2025. The researchers were recognized for creating the largest and highest-resolution simulation of astrophysical, magnetized turbulence performed to date. “Using HPC resources at the Leibniz Supercomputing Centre (LRZ), they were able to mod…
Renowned planetary scientist Sara Seager joins U of T and the Canadian Institute for Theoretical Astrophysics as North Star Distinguished Professor
by A&S News
A pioneer in the study of exoplanets and exoplanet atmospheres, Sara Seager is returning to her alma mater, the University of Toronto (U of T), to join the Canadian Institute for Theoretical Astrophysics (CITA) as North Star Distinguished Professor, starting September 1, 2026.
“I’m excited to return home as a faculty member, researcher and mentor at the institution…
CITA Quarterly: New CITAzens and Other Updates
July – August – September
In this newsletter you will find a summary of recent faculty and council appointments, notable community engagements, and an overview of some of the excellent research being conducted at CITA. Additionally, our community has recently convened to recognize accomplishments, support emerging scientists, and establish new international partnerships.
We are especially…
New events from LIGO’s 4th Observing Run Match Formation Channel Predicted by CITA Fellow Claire Shi Ye
In a new paper published Oct. 28 in The Astrophysical Journal Letters, the international LIGO-Virgo-KAGRA (LVK) Collaboration reports on the detection of two gravitational wave events in October and November of last year with highly suggestive black hole spins and mass ratios.
Gravitational waves are “ripples” in space-time that result from cataclysmic events in deep space, with t…
What do black hole collisions look like?
CITA researchers have the calculations and simulations to explain mysterious flashes from the galaxy OJ 287
Roughly twice every 12 years, from 3.5 billion light years away, the light equivalent of one trillion suns flashes in the night sky and then fades away over the next few months. It’s a phenomenon that astronomers have been documenting since the late 1880s, originating in a galaxy known…
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