Josephine F. W. Baggen

PhD Student in Astronomy at Yale University

Josephine F. W. Baggen

Hi! I am a PhD student in the Department of Astronomy at Yale University, working with Prof. Pieter van Dokkum. My research focuses on the formation of the first massive galaxies and black holes in the early Universe. In particular, I study the newly discovered population of compact red sources, known as Little Red Dots, identified by the James Webb Space Telescope (JWST).

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Little Red Dots imaged by JWST

Little Red Dots

Little Red Dots are a newly discovered population of compact red sources seen less than a billion years after the Big Bang identified by the James Webb Space Telescope, whose nature remains a mystery.

JWST images of Little Red Dots

Yale Club Tennis at USTA National Championship

Beyond Astronomy

Outside of research, I play tennis as part of the Yale Club Tennis team. We competed at the USTA Tennis on Campus National Championship.