Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

NASA Logo Voyager Cosmic Ray Sub System

Note: Corrections have been applied to the Voyager 1 flux data from DOY 145/2022 (May 25) and Voyager 2 flux data from DOY 178/2019 (June 27) due to the turn off of the Voyager CRS
Heaters. V1 Flux data from May 18 - 24/2022 and V2 Flux data from June 9 - 26/2019 are not available.

See Voyager Temperature Corrections for additional information.

The data units are "Particles / M^2-S-Sr-MeV/nuc".

 

Note: Hours and Minutes are set to zero (0) for the Start and End times (e.g. an End Time of 2020/01/20 is 2020/01/19 23:59:59).
Voyager-1 Hydrogen Bins
Voyager-1 Helium Bins
Voyager-2 Hydrogen Bins
Voyager-2 Helium Bins