COHO Plot, Listing, or output files

Cohoweb Data Explorer - Near-Earth Heliosphere Data - NSSDC - Goddard Space Flight Center

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 Helios2 parameters listed below,

Select an activity

Plot data List data Create file

Select resolution
Hourly averaged Daily averaged

Enter start and stop dates (Use yyyyddd or yyyymmdd) [19741210 - 19810614]
Start Stop [Click here to get time spans for individual parameters.]

Select variable

Position in HGI
Heliocentric Distance (start of data interval), AU

HelioGraphic Inertial (HGI) Latitude, deg.

HGI Longitude, deg.

Earth-Sun-Helios1 separation angle, deg.

Magnetic field in RTN
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

Plasma in RTN
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

E6 Proton fluxes (1/(sec-cm**2-ster-MeV)

4-13 MeV

13-27 Mev

27-37 Mev

37-51 Mev

E7 Proton fluxes (1/(sec-cm**2-ster-MeV)

3.42-5.40 MeV

6.40-11.95 MeV

11.95-22.15 MeV

24.59-28.74 MeV

32.20-45.93 MeV

45.93-57.56 MeV

143.0-204.5 MeV

Position in HGI
Heliocentric Distance (start of data interval), AU
HelioGraphic Inertial (HGI) Latitude, deg.
HGI Longitude, deg.
Earth-Sun-Helios1 separation angle, deg.
Magnetic field in RTN
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
Plasma in RTN
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 only one selected parameter)
min value max value
Character size(0.5-2.0): Symbol Size(0.1-4.0):

Plot Symbol: Image size (pixels) X: Y:

SPDF > OMNIWeb

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

Y-axis Scale:	Y scale range (for only one selected parameter) min value max value
Character size(0.5-2.0):	Symbol Size(0.1-4.0):
Plot Symbol:	Image size (pixels) X: Y:

NASA Official: Robert Candey (Robert.M.Candey@nasa.gov), Head of the Space Physics Data Facility