Figure 3 from The Apache Point Observatory Galactic Evolution Experiment (APOGEE)

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The Apache Point Observatory Galactic Evolution Experiment (APOGEE)

Authors: Steven R. Majewski, Ricardo P. Schiavon, Peter M. Frinchaboy, Carlos Allende Prieto, Robert Barkhouser, Dmitry Bizyaev, Basil Blank, Sophia Brunner, Adam Burton, Ricardo Carrera, S. Drew Chojnowski, Kátia Cunha, Courtney Epstein, Greg Fitzgerald, Ana E. García Pérez, Fred R. Hearty, Chuck Henderson, Jon A. Holtzman, Jennifer A. Johnson, Charles R. Lam, James E. Lawler, Paul Maseman, Szabolcs Mészáros, Matthew Nelson, Duy Coung Nguyen, David L. Nidever, Marc Pinsonneault, Matthew Shetrone, Stephen Smee, Verne V. Smith, Todd Stolberg, Michael F. Skrutskie, Eric Walker, John C. Wilson, Gail Zasowski, Friedrich Anders, Sarbani Basu, Stephane Beland, Michael R. Blanton, Jo Bovy, Joel R. Brownstein, Joleen Carlberg, William Chaplin, Cristina Chiappini, Daniel J. Eisenstein, Yvonne Elsworth, Diane Feuillet, Scott W. Fleming, Jessica Galbraith-Frew, Rafael A. García, D. Aníbal García-Hernández, Bruce A. Gillespie, Léo Girardi, James E. Gunn, Sten Hasselquist, Michael R. Hayden, Saskia Hekker, Inese Ivans, Karen Kinemuchi, Mark Klaene, Suvrath Mahadevan, Savita Mathur, Benoît Mosser, Demitri Muna, Jeffrey A. Munn, Robert C. Nichol, Robert W. O'Connell, John K. Parejko, A. C. Robin, Helio Rocha-Pinto, Matthias Schultheis, Aldo M. Serenelli, Neville Shane, Victor Silva Aguirre, Jennifer S. Sobeck, Benjamin Thompson, Nicholas W. Troup, David H. Weinberg, and Olga Zamora

2017 The Astronomical Journal 154 94.

Provider: AAS Journals

Caption: Figure 3.

Summary of the S/N experiments described in Appendix B for each of the 15 chemical elements. For each, the minimum required S/N to measure 0.1 dex precision abundances is plotted for a variety of resolutions from R = 15,000 to 30,000, and for three metallicities, ﹩[\mathrm{Fe}/{\rm{H}}]=-2﹩, −1, and 0. For Al, Si, and Mg, the data points for all three modeled metallicities fall on top of one another.

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