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Spectroscopic Distance, Mass, and Age Estimations for APOGEE DR17

  • Authors: Alexander Stone-Martinez, Jon A. Holtzman, Julie Imig, Christian Nitschelm, Keivan G. Stassun, Joel R. Brownstein

Alexander Stone-Martinez et al 2024 The Astronomical Journal 167 .

  • Provider: AAS Journals

Caption: Figure 4.

Blue line in all plots shows the MAD of test stars vs. surface gravity for our model. Red shows the Gaia parallax uncertainty. Figure (a) shows just our model compared to the Gaia error, with the dashed lines showing the quartile of the absolute deviation. Figure (b) shows AstroNN’s (Leung & Bovy 2019) MAD and quartile ranges in green compared to Gaia and our model. Figure (c) shows the Bayesian NMSU distance MAD in black. The deviations reported here are the listed stellar distance from each method compared against the Gaia distances.

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