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Measuring Dwarf Galaxy Intrinsic Abundance Scatter with Mid-resolution Spectroscopic Surveys: Calibrating APOGEE Abundance Errors

  • Authors: Jennifer Mead, Melissa Ness, Eric Andersson, Emily J. Griffith, Danny Horta

Jennifer Mead et al 2024 The Astrophysical Journal 974 .

  • Provider: AAS Journals

Caption: Figure 4.

Comparison of the average intrinsic scatters and 1σ dispersions of uncalibrated APOGEE dSphs (black) to the average intrinsic scatter of dSphs from E. N. Kirby et al. (2018, pink). Intrinsic scatter of individual dSphs in APOGEE are in purple. Average APOGEE intrinsic scatters are consistently higher than the K18 intrinsic scatters for elements reported in K18.

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