Difference: ChemicalAbundancesInTheOpenClusterNGC6791FromAPOGEESpectra (1 vs. 2)

Revision 22014-11-28 - SusanaBascon

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META TOPICPARENT name="ProgramFinalconference"

Chemical Abundances in the Open Cluster NGC6791 from APOGEE spectra

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Katia Cunha , Verne Smith

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Katia Cunha , Verne Smith (ON-MCTI & Steward Observatory )

  The open cluster NGC 6791 is very old and also very metal rich. Due to its high metallicity [Fe/H]=+0.35), it is one of the calibration clusters for APOGEE. We will present chemical abundance results for 15 elements from a manual abundance analysis of the APOGEE spectra of a sample of red-giants and clump stars in NGC6791.Results will be compared with the ones obtained by the APOGEE automatic abundance pipeline. We find no evidence for two populations in this cluster, unlike previous reports in the literature.

Revision 12014-11-27 - SusanaBascon

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META TOPICPARENT name="ProgramFinalconference"

Chemical Abundances in the Open Cluster NGC6791 from APOGEE spectra

Katia Cunha , Verne Smith

The open cluster NGC 6791 is very old and also very metal rich. Due to its high metallicity [Fe/H]=+0.35), it is one of the calibration clusters for APOGEE. We will present chemical abundance results for 15 elements from a manual abundance analysis of the APOGEE spectra of a sample of red-giants and clump stars in NGC6791.Results will be compared with the ones obtained by the APOGEE automatic abundance pipeline. We find no evidence for two populations in this cluster, unlike previous reports in the literature.

 
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