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Dexter Group

Extreme variability of accreting supermassive black holes

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  • Dexter & Begelman, 2019, MNRAS Letters

Using polarization to extract the black hole photon ring

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  • JimĂ©nez-Rosales, Dexter, et al. 2020, MNRAS

Sgr A* flares from magnetic reconnection

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  • Dexter et al. 2020, MNRAS

Rotation of high velocity gas around a supermassive black hole

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  • GRAVITY Collaboration: Sturm, Dexter, Pfuhl, Stock, et al., 2018, Nature
  • Nature News & Views article
  • MPE press release

Orbiting gas near the event horizon of the Galactic center black hole

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  • GRAVITY Collaboration, 2018, A&A Letters
  • ESO press release
  • Scientific American article

Strong magnetic fields near the event horizon of M87

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  • EHT, 2021, ApJ Letters
  • ESO press release
  • CU Boulder Today article

About the Dexter Group

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About the Dexter Group

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About Our Sponsor: The National Science Foundation (NSF)

Physics Frontiers Centers (PFCs)

NSF logo.The Physics Frontiers Centers (PFC) program supports university-based centers and institutes where the collective efforts of a larger group of individuals can enable transformational advances in the most promising research areas. The program is designed to foster major breakthroughs at the intellectual frontiers of physics by providing needed resources such as combinations of talents, skills, disciplines, and/or specialized infrastructure, not usually available to individual investigators or small groups, in an environment in which the collective efforts of the larger group can be shown to be seminal to promoting significant progress in the science and the education of students. PFCs also include creative, substantive activities aimed at enhancing education, broadening participation of traditionally underrepresented groups, and outreach to the scientific community and general public. Read more about this program at the NSF website.

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