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SDSS-V Milky Way Mapper (MWM): ASPCAP Stellar Parameters and Abundances in SDSS-V Data Release 19

  • Authors: Szabolcs Mészáros, Paula Jofré, Jennifer A. Johnson, Jonathan C. Bird, Jo Bovy, Andrew R. Casey, Julio Chanamé, Katia Cunha, Nathan De Lee, Peter Frinchaboy, Guillaume Guiglion, Viola Hegedűs, Alex P. Ji, Juna A. Kollmeier, Melissa K. Ness, Jonah Otto, Marc H. Pinsonneault, Alexandre Roman-Lopes, Andrew Saydjari, Amaya Sinha, Ying-Yi Song, Guy S. Stringfellow, Keivan G. Stassun, Jamie Tayar, Andrew Tkachenko, Marica Valentini, Zachary Way, Jörg Weingrill

Szabolcs Mészáros et al 2025 The Astronomical Journal 170 .

  • Provider: AAS Journals

Caption: Figure 9.

Top panel: the 2D histogram of the difference between [M/H] and [Fe/H] as a function of raw Teff. Bottom panel: the difference between [M/H] and [Fe/H] as a function of raw log g color coded by [M/H]. Only stars with S/N > 50 and no bad flags are shown.

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