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astro-ph.SR2022★ 24 cited
The Ionizing Spectra of Extremely Metal-Poor O Stars: Constraints from the Only HII Region in Leo P
O. Grace Telford, Kristen B. W. McQuinn, John Chisholm +1
Metal-poor, star-forming dwarf galaxies produce extreme nebular emission and likely played a major role in cosmic reionization. Yet, determining their contribution to the high-reds…
astro-ph.GA2022
The Panchromatic Hubble Andromeda Treasury: Triangulum Extended Region (PHATTER) II. The Spatially Resolved Recent Star Formation History of M33
Margaret Lazzarini, Benjamin F. Williams, Meredith J. Durbin +11
We measure the spatially resolved recent star formation history (SFH) of M33 using optical images taken with the Hubble Space Telescope as part of the Panchromatic Hubble Andromeda…