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Browsing by Author "Mihos, J. Christopher"
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BST1047+1156: A (Failing) Ultradiffuse Tidal Dwarf in the Leo I Group
Mihos, J. Christopher; Durrell, Patrick R.; Watkins, Aaron E.; McGaugh, Stacy S.; Feldmeier, John (2024-03-15)We use deep Hubble Space Telescope imaging to study the resolved stellar populations in BST1047+1156, a gas-rich, ultradiffuse dwarf galaxy found in the intragroup environment of the Leo I galaxy group. While our imaging ... -
Deep Narrowband Photometry of the M101 Group: Strong-line Abundances of 720 H ii Regions
Garner, Ray; Mihos, J. Christopher; Harding, Paul; Watkins, Aaron E.; McGaugh, Stacy S. (2022-12-22)We present deep, narrowband imaging of the nearby spiral galaxy M101 and its satellites to analyze the oxygen abundances of their H ii regions. Using Case Western Reserve University’s Burrell Schmidt telescope, we add to ... -
Implications on star formation rate indicators from H II regions and diffuse ionized gas in the M101 Group
Watkins, A. E.; Mihos, J. Christopher; Harding, Paul; Ray, Garner III (2024-06-01)We examine the connection between diffuse ionized gas (DIG), H II regions, and field O and B stars in the nearby spiral M101 and its dwarf companion NGC 5474 using ultra-deep H α narrow-band imaging and archival GALEX UV ...