About the Dexter Group

Resolving Black Holes

An astrophysics research group at CU Boulder, JILA, and MPE Garching studying the observational properties of gas falling onto black holes (accretion flows) and their use as probes of strong gravity.

Research Highlights

In the Spotlight

Tyler McMaken (left) and Lia Hankla (right) were awarded the 2022 Richard Thomas Nelson award
June 01, 2022: JILA Graduate Students Tyler McMaken and Lia Hankla Awarded the 2022 Richard Nelson Thomas Award

Two JILA graduate students were awarded this year's Richard Nelson Thomas Award for Graduate Students in Astrophyiscs. This award is given annually in honor of Dr. Richard Nelson Thomas, a founding member of JILA and an astrophysics researcher. Dr. Thomas was instrumental in establishing JILA's Visiting Fellows program, as well as growing the institution as a whole. Because of Dr. Thomas' legacy, his family and friends established an annual award given to an outstanding graduate student in astrophysics. 

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Image of the first black hole pictured
March 24, 2021: Jason Dexter Looks Deeper Into the First Image of a Black Hole

In a team of over 300 scientists, JILA Fellow and assistant professor in the Department of Astrophysical and Planetary Sciences, Jason Dexter digs further into the first picture ever taken of a black hole. His research has been recently published in a new paper for the Astrophysical Journal Letters. 

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Jason Dexter, JILA Fellow
February 12, 2020: JILA Fellow Jason Dexter Wins 2020 Sloan Fellowship

JILA Fellow Jason Dexter has been selected for a 2020 Sloan Fellowship. 

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The first image of a black hole from the Event Horizon Telescope
September 06, 2019: Jason Dexter, JILA’s newest fellow, wins Breakthrough Prize

Dexter is one of the 347 scientists who worked on the Event Horizon Telescope.

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JILA Address

We are located at JILA: A joint institute of NIST and the University of Colorado Boulder.

Map | JILA Phone: 303-492-7789 | Address: 440 UCB, Boulder, CO 80309