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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 3.

Differences of DR19 ASPCAP spectroscopic Teff and IRFM temperatures as a function of ASPCAP Teff color coded by metallicity. The left panels show the giants, and the right panels show the dwarfs. Photometric J − Ks and V − Ks temperatures from J. I. González Hernández & P. Bonifacio (2009) can be seen in the top and middle panels, respectively. The bottom panel shows the differences compared to IRFM temperatures calculated from BP − RP colors (L. Casagrande et al. 2021). The solid black line shows the running median value.

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