Abundances red giants in Carina dSph (Lemasle+, 2012)

Details Abundances red giants in Carina dSph (Lemasle+, 2012) Abundances red giants in Carina dSph (Lemasle+, 2012)

Nov 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ycat..35389100l&link_type=abstract

VizieR On-line Data Catalog: J/A+A/538/A100. Originally published in: 2012A&A...538A.100L

Physics

Galaxies: Nearby, Stars: Giant, Abundances, Radial Velocities, Equivalent Widths, Photometry: Ubvri, Photometry: Infrared

Scientific paper

We use the VLT-FLAMES multi-fibre spectrograph in high-resolution mode (R~20000) to measure the abundances of several chemical elements, including Fe, Mg, Ca and Ba, in a sample of 35 individual Red Giant Branch stars in the Carina dwarf spheroidal galaxy. We also combine these abundances with photometry to derive age estimates for these stars. This allows us to determine which of two distinct star formation episodes the stars in our sample belong to, and thus to define the relationship between star formation and chemical enrichment during these two episodes.
(5 data files).

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