Cohoweb Data Explorer - Near-Earth Heliosphere Data - NSSDC - Goddard Space Flight Center
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Interface to produce scatter plots and regression fits, or listings for PSP COHO data

Click HERE for more on using this interface.

*Select an activity

     Scatter plot data List data selected

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

* Select variable
Variable Name X/Y Axes Min/Max values:
Low    High
Position in HGI
Heliocentric Distance, AU X    Y      
HelioGraphic Inertial (HGI) Latitude, deg. X    Y      
HGI Longitude, deg. X    Y      
Magnetic field in RTN (Radial-Tangential-Normal)
IMF BR, nT X    Y      
IMF BT, nT X    Y      
IMF BN, nT X    Y      
IMF B Field Magnitude (Scalar), nT X    Y      
Plasma in RTN (Radial-Tangential-Normal)
Proton Velosity, VR, km/sec X    Y      
Proton Velosity, VT, km/sec X    Y      
Proton Velosity, VN, km/sec X    Y      
Proton Flow Speed, km/sec X    Y      
Proton Flow Elevation Angle, deg X    Y      
Proton Flow Azimuth Angle, deg. X    Y      
Proton Density, n/cc X    Y      
Proton Temperature, K X    Y      

* Select the fitting method
    No fitting     Delta-Y method(N<30000)

*Advanced plot selections (optional)
X-axes type: Y-axes type:
Character size(0.5-2.0):
Plot Symbol: Symbol Size(0.1-4.0):
Image size (pixels): X: Y: Connect Type:


If you have any questions/comments about COHOWEB system, contact:
Dr. Natalia Papitashvili,Mail Code 672, NASA/Goddard Space Flight Center, Greenbelt, MD 20771

NASA Official: Robert Candey (, Head of the Space Physics Data Facility