Chemical Abundance Comparisons Between ASPCAP and Manual Analyses in Open Cluster Red Giants

Bibcode
2015AAS...22530206S
Smith, V. V.; Cunha, Katia M. L.; Souto, Diogo; Shetrone, Matthew D.; Meszaros, Szabolcs; Allende-Prieto, C.; Bizyaev, Dmitry; Carlberg, Joleen K.; García Pérez, A. E.; Hasselquist, Sten; Holtzman, Jon A.; Johnson, Jennifer; Majewski, Steven R.; Schiavon, Ricardo P.; Sobeck, Jennifer; Troup, Nicholas William
Bibliographical reference

American Astronomical Society, AAS Meeting #225, #302.06

Advertised on:
1
2015
Number of authors
16
IAC number of authors
2
Citations
0
Refereed citations
0
Description
The APOGEE Stellar Parameter and Chemical Abundance Pipeline (ASPCAP) has now produced individual chemical abundances for 15 different elements: C, N, O, Na, Mg, Al, Si, S, K, Ca, Ti, V, Mn, Fe, and Ni. We will present comparisons of the ASPCAP abundances for stars in clusters with those derived from manual stellar parameter and abundance analyses of the same stars using the APOGEE spectra. These comparisons can be used to assess whether any of the elemental results from the automated pipeline contain larger than expected scatter, systematic offsets, or trends with stellar parameters, such as effective temperature, surface gravity, or metallicity. Using the subset of trustworthy abundances, we present early results of peculiar chemical substructures found in the APOGEE dataset.
Type
Non-refereed

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