Extremely metal-poor stars from the SDSS

Details Extremely metal-poor stars from the SDSS Extremely metal-poor stars from the SDSS

2008-09-17

arxiv.org/abs/0809.2948v1

Astronomy and Astrophysics

Astrophysics

6 pages, 6 figures, Proceedings paper of the conference "A stellar journey: A symposium in celebration of Bengt Gustafsson's 6

Scientific paper

10.1088/0031-8949/2008/T133/0140

We give a progress report about the activities within the CIFIST Team related to the search for extremely metal-poor stars in the Sloan Digital Sky Survey's spectroscopic catalog. So far the search has provided 25 candidates with metallicities around or smaller -3. For 15 candidates high resolution spectroscopy with UVES at the VLT has confirmed their extremely metal-poor status. Work is under way to extend the search to the SDSS's photometric catalog by augmenting the SDSS photometry, and by gauging the capabilities of X-shooter when going to significantly fainter targets.

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