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123 papers · 2 filters
First Co-spatial Comparison of Stellar, Neutral-, and Ionized-gas Metallicities in a metal-rich galaxy: M83
Svea Hernandez, Alessandra Aloisi, Bethan L. James +14
We carry out a comparative analysis of the metallicities from the stellar, neutral-gas, and ionized-gas components in the metal-rich spiral galaxy M83. We analyze spectroscopic obs…
Multiple populations in low mass globular clusters: Palomar 13
Baitian Tang, Yue Wang, Ruoyun Huang +7
Since the discovery of chemically peculiar stars in globular clusters in the last century, the study of multiple populations has become increasingly important, given that chemical…
A Comparison of Star-Forming Clumps and Tidal Tails in Local Mergers and High Redshift Galaxies
Debra Meloy Elmegreen, Bruce G. Elmegreen, Bradley C. Whitmore +8
The Clusters, Clumps, Dust, and Gas in Extreme Star-Forming Galaxies (CCDG) survey with the Hubble Space Telescope includes multi-wavelength imaging of 13 galaxies less than 100 Mp…
The role of faint population III supernovae in forming CEMP stars in ultra-faint dwarf galaxies
Myoungwon Jeon, Volker Bromm, Gurtina Besla +2
CEMP-no stars, a subset of carbon enhanced metal poor (CEMP) stars ( and ) have been discovered in ultra-faint dwarf (UFD) galaxies, with $…
Two Populations of Carbon-Enhanced Metal-Poor Stars in the Disk System of the Milky Way
Sarah E. Dietz, Jinmi Yoon, Timothy C. Beers +2
We present a chemo-dynamical analysis of low-resolution () spectroscopy of stars from the AAOmega Evolution of Galactic Structure (AEGIS) survey, focusing on two key p…
Difference in chemical composition between the bright and faint red clump stars in the Milky Way bulge
Dongwook Lim, Young-Wook Lee, Andreas Koch +7
The double red clump (RC) observed in color-magnitude diagrams of the Milky Way bulge is at the heart of the current debate on the structure and formation origin of the bulge. This…