EVN Proposal Author Distributions

Distributions over 908 individual proposals, 2013–2026. These plots distinguish e.g. one proposal with ten authors from country X from ten proposals with one X-author each.

Left: for each proposal in the selection, the number of authors from the chosen country; a bar at x=10 counts proposals with exactly ten such authors. Right: the number of distinct author countries per proposal — a measure of how international the collaborations are .
An author is a proposal member; members are counted under the country of their affiliation. 0 proposals have no PI recorded in the source database and can therefore not appear in the "Led by a PI from country" selection.