Raffaella Margutti

Raffaella Margutti

Title
Associate Professor
Department
Dept of Astronomy
Research Expertise and Interest
astrophysics, compact object mergers, core-collapse supernovae, gamma-ray bursts, Neutron Stars, radio astronomy, space astrophysics, stellar evolution, supernova shockwaves, supernovae, tidal disruption events
Research Description

Raffaella Margutti’s research is positioned in the new field of Multi-Messenger Astrophysics with Gravitational Waves. Margutti and her research team utilize observations of the most violent Transient Astrophysical Phenomena in the Universe, including stellar eruptions, stellar explosions,  mergers of neutron stars and black holes, as well as stellar tidal disruptions by supermassive black holes.  Margutti investigates the physics of these events by combining panchromatic observations across the entire electromagnetic spectrum (i.e. gamma-rays, X-ray, UV, optical, IR, and radio) with information extracted from other messengers, like gravitational waves. The primary goal of her research is to understand the nature of the physical processes that regulate such dramatic displays.

Raffaella Margutti received her undergraduate degree in Astrophysics in 2006 (magna cum laude), and her PhD in Physics and Astronomy from the University of Milano Bicocca in 2010. Margutti is a Sloan Fellow in Physics (2019), a CIFAR global scholar in Gravity and the Extreme Universe (2019), and received the 2022 New Horizons in Physics Prize for leadership in laying foundations for electromagnetic observations of sources of gravitational waves, and leadership in extracting rich information from the first observed collision of two neutron stars.

In the News

March 1, 2022

Did rapid spin delay 2017 collapse of neutron stars into black hole?

When two neutron stars spiral into one another and merge to form a black hole — an event recorded in 2017 by gravitational wave detectors and telescopes worldwide — does it immediately become a black hole? Or does it take a while to spin down before gravitationally collapsing past the event horizon into a black hole? Ongoing observations of that 2017 merger by the Chandra X-ray Observatory, an orbiting telescope, suggests the latter: that the merged object stuck around, likely for a mere second, before undergoing ultimate collapse.
January 6, 2022

Astronomers see death throes of giant star before violent explosion

Astronomers have long suspected that massive stars become red supergiants at the end of their lives, hiccup a few times and then explode in a classic supernova visible across the universe. But no one had ever seen this scenario play out in a single star -- until now.

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In the News

March 1, 2022

Did rapid spin delay 2017 collapse of neutron stars into black hole?

When two neutron stars spiral into one another and merge to form a black hole — an event recorded in 2017 by gravitational wave detectors and telescopes worldwide — does it immediately become a black hole? Or does it take a while to spin down before gravitationally collapsing past the event horizon into a black hole? Ongoing observations of that 2017 merger by the Chandra X-ray Observatory, an orbiting telescope, suggests the latter: that the merged object stuck around, likely for a mere second, before undergoing ultimate collapse.
January 6, 2022

Astronomers see death throes of giant star before violent explosion

Astronomers have long suspected that massive stars become red supergiants at the end of their lives, hiccup a few times and then explode in a classic supernova visible across the universe. But no one had ever seen this scenario play out in a single star -- until now.
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