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WIYN Open Cluster Study LXXXV. Li in NGC 2243 -- Implications for Stellar and Galactic Evolution
B. J. Anthony-Twarog, C. P. Deliyannis, . B. A. Twarog
High-dispersion spectra in the Li 6708 Angstrom region have been obtained and analyzed in the old, metal-deficient cluster, NGC 2243. From Hydra spectra for 29 astrometric and radi…
IAU Commission 37 "Star Clusters and Associations" Legacy report
Giovanni Carraro, Richard de Grijs, Bruce Elmegreen +5
It is widely accepted that stars do not form in isolation but result from the fragmentation of molecular clouds, which in turn leads to star cluster formation. Over time, clusters…
Metallicity Distribution Functions of Four Local Group dwarf galaxies
Teresa L. Ross, Jon A. Holtzman, Abhijit Saha +1
We present stellar metallicities in Leo I, Leo II, IC 1613, and Phoenix dwarf galaxies derived from medium (F390M) and broad (F555W, F814W) band photometry using the Wide Field Cam…
Measuring Metallicities with HST/WFC3 photometry
Teresa L. Ross, Jon Holtzman, Barbara J. Anthony-Twarog +4
We quantified and calibrated the metallicity and temperature sensitivities of colors derived from nine Wide Field Camera 3 (WFC3) filters aboard the Hubble Space Telescope using Da…
WIYN Open Cluster Study. XXXIX. Abundances in NGC 6253 from HYDRA Spectroscopy of the Li 6708 A Region
B. J. Anthony-Twarog, C. P. Deliyannis, B. A. Twarog +2
High-dispersion spectra of 89 potential members of the old, super-metal-rich open cluster, NGC 6253, have been obtained with the HYDRA multi-object spectrograph. Based upon radial-…