Cohoweb Data Explorer - Near-Earth Heliosphere Data - NSSDC - Goddard Space Flight Center
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Interface to produce Plots, listings, output files

This page provides the ability to plot or list (or create a file of) any selection of the Voyager2 parameters listed below,

Note: Voyager magnetometer data past 1989 must be used very carefully due to the very low magnetic field values being measured as compared to the pre-launch magnetometer accuracy requirements. Please click here for details.

*Select an activity

Plot data List data Create file

*Select resolution
     Hourly averaged Daily averaged

Click here to get time spans for individual parameters.
*Enter start and stop dates (Use yyyyddd or yyyymmdd)
    Start      Stop

* Select variable
Heliocentric Distance (start of data interval), AU
HelioGraphic Inertial (HGI) Latitude, deg.
HGI Longitude, deg.
IMF BR in RTN(Radial-Tangential-Normal) coordinate system, nT
IMF BT, nT (RTN)
IMF BN, nT (RTN)
B Field Magnitude (average of fine scale magnitudes), nT
Proton Flow Speed, km/sec
Proton Flow Elevation Angle/Latitude, (RTN), deg.
Proton Flow Azimuth Angle/Longitude (RTN), deg.
Proton Density, n/cc
Proton Temperature, K

*Advanced plot selections (optional)
Y-axis Scale: Y scale range (for one selected parameter only)
min value max value
View Mode: Character size(0.5-2.0):
X-Axis style: Y-Axis style:
Plot Symbol: Symbol Size(0.1-4.0):
Connect Type:
Color Table(0-40): Image size (pixels): X: Y:
Foreground Color Index: (0-255) Background Color Index: (0-255)

SPDF > OMNIWeb

If you have any questions/comments about COHOWeb system, contact:
Dr. Natalia Papitashvili, Space Physics Data Facility, Mail Code 672, NASA/Goddard Space Flight Center, Greenbelt, MD 20771
NASA Official: Dr. Robert McGuire, Head of the Space Physics Data Facility