Cohoweb Data Explorer - Near-Earth Heliosphere Data - NSSDC - Goddard Space Flight Center
About COHOWeb Data FTP site COHOWeb News Feedback

Interface to produce listings/plots with filtering


This page provides the ability to list (or create a file of) any selection of the STEREO-A parameters listed below, only for hours when these and/or other parameters satisfy user-specified numeric ranges. Click left boxes to select output parameters, and enter desired minimum and/or maximum value(s) in box(es) to the right of any desired "filtering" parameter(s).

*Select an activity

List data   Create file   Plot filtered data

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

* Select variable
Variable Name Min/Max values(Optional):
Low    High
Position in HGI
Heliocentric Distance, AU   
HelioGraphic Inertial (HGI) Latitude, deg.   
HGI Longitude, deg.   
Magnetic field in RTN (Radial-Tangential-Normal)
IMF BR, nT   
IMF BT, nT   
IMF BN, nT   
Field Magnitude Aver., nT   
Plasma in RTN (Radial-Tangential-Normal)
Proton Flow Speed, km/sec   
Proton Flow Elevation Angle/Latitude, deg.   
Proton Flow Azimuth Angle/Longitude, deg.   
Proton Density, n/cc   
Proton Temperature, K   
LET Proton fluxes (1/(sec-cm**2-ster-MeV)
1.8-3.6 Mev   
4.0-6.0 Mev   
6.0-10.0 Mev   
10.0-12.0 Mev   
HET Proton fluxes (1/(sec-cm**2-ster-MeV)
13.6-15.1 MeV   
14.9-17.1 MeV   
17.0-19.3 MeV   
20.8-23.8 MeV   
23.8-26.4 MeV   
26.3-29.7 MeV   
29.5-33.4 MeV   
33.4-35.8 MeV   
35.5-40.5 MeV   
40.0-60.0 MeV   
60.0-100.0 MeV   
SIT Proton fluxes (1/(sec-cm**2-ster-MeV)
0.320 - 0.452 MeV   
0.452 - 0.640 MeV   
0.640 - 0.905 MeV   
0.905 - 1.280 MeV   
1.280 - 1.810 MeV   
1.810 - 2.560 MeV   
2.560 - 3.620 MeV   

*Advanced plot selections (optional)
Y-axis Scale:
Character size(0.5-2.0): Symbol Size(0.1-4.0):
Plot Symbol: Image size (pixels) X: Y:


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

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