A Broken Clock Is Right Twice a Day: [Ce/Mg] Is Not a Universal Chemical Clock
astro-ph.GA
Submitted: 2026-08-26
Updated: 2026-08-26
Code: https://github.com/sdss/sdss
Terminology
Sources
- Birth of the Galactic Disk Revealed by the H3 Survey
- TLUSTY and SYNSPEC Users's Guide IV: Upgraded Versions 208 and 54
- SDSS-V: Pioneering Panoptic Spectroscopy
- The non-LTE abundances of magnesium and yttrium and asteroseismic ages for the chemical clock calibration
- Calibration of the [C/N] and [Y/Mg] chemical clocks with asteroseismic ages from the TESS space mission
- Constraining r-process nucleosynthesis with multi-objective Galactic chemical evolution models
- The Nineteenth Data Release of the Sloan Digital Sky Survey
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