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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 10.

The difference between MWM [M/H] and literature [Fe/H] as a function of ASPCAP raw Teff and log g from APOGEE DR17 (top panels), GALAH DR4 (second row from the top), Gaia-ESO DR5 (second row from the bottom) for stars with S/N > 50 from both surveys, and no BAD flags from MWM. The bottom panels show the comparison with the GBS sample. The solid black line shows the running median value.

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