All papers · ⁸⁸Sr⁺ optical clock with 7.9×10⁻¹⁹ systematic uncertainty and measurement of its absolute frequency with 9.8×10⁻¹⁷ uncertainty
Hydrogen-maser fractional frequency $y_{\mathrm{HM}}$/$10^{-12}$ against MJD $-$ 60459, as measured against Sr$^+$ in 3600 s bins (dots) and against TAI as monthly values (circles).
This panel was recovered from the published vector figure. The plot shown here is re-rendered for interactive viewing and analysis. See the paper for the original figure and full scientific context.
License: CC BY 4.0.
Phys. Rev. Appl. 24, 044082 (2025) · DOI: 10.1103/czlf-bfvp · arXiv: 2509.05964