NEW DETECTIONS OF ARSENIC, SELENIUM, AND OTHER HEAVY ELEMENTS IN TWO METAL-POOR STARS

NEW DETECTIONS OF ARSENIC, SELENIUM, AND OTHER HEAVY ELEMENTS IN TWO METAL-POOR STARS

We use the Space Telescope Imaging Spectrograph on board the Hubble Space Telescope to obtain new high-quality spectra covering the 1900 ≤λ ≤ 2360 Å wavelength range for two metal-poor stars, HD 108317 and HD 128279. We derive abundances of Cu II, Zn II, As I, Se I, Mo II, and Cd II, which have not...

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Main Authors: Roederer, Ian U. (Author), Schatz, Hendrik (Author), Lawler, James E. (Author), Beers, Timothy C. (Author), Cowan, John J. (Author), Frebel, Anna L. (Contributor), Ivans, Inese I. (Author), Sneden, Christopher (Author), Sobeck, Jennifer S. (Author)
Other Authors: Massachusetts Institute of Technology. Department of Physics (Contributor), MIT Kavli Institute for Astrophysics and Space Research (Contributor)
Format: Article
Language:English
Published: Institute of Physics/American Astronomical Society, 2015-01-16T15:47:00Z.
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