Image Details
Caption: Figure 1.
Position of stars that have parameters and abundances below 8000 K published by Milky Way Mapper in DR19 color coded by [M/H]. Only stars with signal-to-noise ratio (S/N) > 50 per pixel and no BAD flags that are farther than 1000 pc are shown here to reveal the metallicity gradient of our Galaxy.
© 2025. The Author(s). Published by the American Astronomical Society.