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Tracing Interstellar Gas in Quiescent Galaxies Using Na I D and Ca II H&K Absorption
Arian Moghni, Timothy M. Heckman, Namrata Roy +3
For over two decades, Na I D ( Å) absorption has been the primary optical tracer of cool, neutral gas in galaxies. In contrast, Ca II H&K (3934.78, 39…
MSA-3D: A Diversity of Dust Attenuation Profiles Across the Epoch of Thin Disk Emergence
Ivana Barišić, Tucker Jones, Naveen Reddy +13
We present spatially resolved measurements of dust attenuation and star formation in 18 main-sequence star-forming galaxies at z1 from the MSA-3D survey, obtained by mapping…
New Measurements of Distances to Galaxies in the NGC 1052 Field with the Hubble and James Webb Space Telescopes: Testing the Bullet-Dwarf Origin of the Trail
Yimeng Tang, Gagandeep S. Anand, Aaron J. Romanowsky +2
NGC 1052-DF2 and DF4 are two ultra-diffuse galaxies deficient in dark matter (DM), and reported as part of a remarkable linear trail of dwarf galaxies in the NGC 1052 field. Recent…
Galactic Rain: Cool Gas Inflows in Red Geyser Galaxies and Their Connection to AGN Activity and Interactions
Arian Moghni, Namrata Roy, Timothy M. Heckman +3
Red geysers are a population of massive (log[M/M]~10.5), quiescent galaxies that exhibit large-scale but weak, bi-symmetric ionized gas outflows, interpreted as signatures…
MSA-3D: Connecting the Chemical and Kinematic Structures of Galaxies at
Mengting Ju, Xin Wang, Tucker Jones +12
We investigate the connection between ionized gas kinematics and gas-phase metallicity gradients in 21 star-forming galaxies at from the MSA-3D survey, using spatia…