Dexter Group Research

Dexter Group Research

Extreme variability of accreting supermassive black holes

• Dexter & Begelman, 2019, MNRAS Letters

Rotation of high velocity gas around a supermassive black hole

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

Strong magnetic fields near the event horizon of M87

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

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

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

Sgr A* flares from magnetic reconnection

• Dexter et al. 2020, MNRAS

Using polarization to extract the black hole photon ring

• Jiménez-Rosales, Dexter, et al. 2020, MNRAS