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SN 2019ehk

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SN 2019ehk

Artist’s interpretation of the calcium-rich supernova 2019ehk. Shown in orange is the calcium-rich material created in the explosion. Purple coloring represents gas shedded by the star right before the explosion, which then produced bright X-ray emission when the material collided with the supernova shockwave. Learn more: Calcium-rich supernova examined with X-rays for first time

Aaron M. Geller, Northwestern University

GRB181123B

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GRB181123B

The afterglow of GRB181123B, captured by the Gemini North telescope. Learn more: Short gamma ray burst leaves most-distant optical afterglow ever detected

International Gemini Observatory/NOIRLab/NSF/AURA/K. Paterson & W. Fong (Northwestern University).

SN2019yvq in the Host Galaxy NGC 4441

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SN2019yvq in the Host Galaxy NGC 4441

Zwicky Transient Facility composite image of SN2019yvq (blue dot in the center of the image) in the host galaxy NGC 4441 (large yellow galaxy in the center of the image), which is nearly 140 million light-years away from Earth. SN 2019yvq exhibited a rarely observed ultraviolet flash in the days after the star exploded. Learn

ZTF/A. A. Miller (Northwestern University) and D. Goldstein (Caltech)

SN2016aps

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SN2016aps

A supernova at least twice as bright and energetic, and likely much more massive than any yet recorded has been identified by an international team of astronomers. Continue to the full article at University of Birmingham News. View the Nature Astronomy article, “An extremely energetic supernova from a very massive star in a dense medium”

Aaron M. Geller – Northwestern IT

CSS161010’s Host Galaxy

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CSS161010’s Host Galaxy

A direct image of CSS161010’s host galaxy taken with W. M. Keck Observatory’s DEIMOS instrument, shown in the bottom square and magnified in the larger top square. Observations show it is a dwarf galaxy located 500,000,000 light years away in the direction of the constellation Eridanus. Learn more: Astrophysicists Capture New Class of Transient Objects

Giacomo Terreran, CIERA/Northwestern University

Black Hole Accretion Disc

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Black Hole Accretion Disc

A detailed simulation of a black hole’s accretion disc created by a global team of computational astrophysicists – including CIERA’s Prof. Sasha Tchekhovskoy – solved a decades-old mystery. The accretion disc is matter that orbits and then falls into a black hole. Researchers discovered how the disc aligns with the hole’s equator, details vital to

LIGO and Beyond

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LIGO and Beyond

Episode 8 of the documentary series “LIGO: The Discovery that Shook the World” features CIERA Director Vicky Kalogera discussing the science of future LIGO instruments (the detectors that observe gravitational waves). All 8 episodes can be found on YouTube.  

The Advanced LIGO Documentary Project was a collaboration among Caltech, MIT, the LIGO Laboratory and director Les Guthman that made the feature documentary, “LIGO,” and the eight-part video series, THE DISCOVERY THAT SHOOK THE WORLD, about LIGO’s major gravitational wave discoveries 2015-2017 and the birth of the new era of gravitational wave astronomy.

  • Education

CIERA’s 11th Annual Public Lecture, “Cartography of the Cosmos: Mapping the Unseen”

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CIERA’s 11th Annual Public Lecture, “Cartography of the Cosmos: Mapping the Unseen”

This lecture was presented by award-winning author and Yale professor Dr. Priyamvada Natarajan at Cahn Auditorium on October 24, 2019. Natarajan discussed how mapping over time encodes radical new scientific ideas. She walked through the history of the acceptance of new astronomical ideas, and talked about the status of several current transformative (and deeply contested)

  • Event,
  • Interdisciplinary

Image Gets “Starlinked”

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Image Gets “Starlinked”

Cliff Johnson (Northwestern University) and colleagues took this image using the Dark Energy Camera on the 4-meter Blanco Telescope at the Cerro Tololo Inter-American Observatory. Nineteen Starlink satellite trails crossed the image during the six-minute exposure. The image was taken as part of the DELVE survey, which is mapping the outskirts of the Magellanic Clouds,

DELVE Survey / CTIO / AURA / NSF