# E1-redshift

Rows: 4. Files: E1-redshift.csv, E1-redshift.json (same rows).
Unit: 1 (alpha).

Columns:
- value: measured value
- sigma: 1-sigma uncertainty, same unit
- source: publication (authors, journal, volume, page)
- year: year of publication
- provenance: where the lab first read the number (internal notes name the lab record; the primary source is the source column)
- pooled: yes: used in the combined value; no: shown as a cross-check only

Notes from the record:
- E1 gravitational rate shift of clocks. Quantity: alpha, defined by Delta f/f = (1 + alpha) Delta Phi / c^2 (Delva 2018 and Herrmann 2018 convention).
- same satellites, independent team, not pooled (shares the clocks of the line above); shown as a cross-check only

Source of the data: the publications in the source column.

Licence: Values are numerical results quoted from the cited publications; the publications themselves remain under their publishers' copyright and licences, and the numbers are reproduced here for scholarly citation, each with its source. This compilation (the selection, the columns and the notes): licence to be set by the author; CC BY 4.0 proposed.

sha256 of E1-redshift.csv: fd8499286f07bfa1ad8be1cc753d22471784862a9e8f91ae7d041a73199c54f3
Record file last written: 2026-11-07 19:17:45 IST.