OMNIWeb Plus Browser
to produce averages, standard deviations and distribution functions

28sec Plasma Data from Apollo 15 ALSEP

This page provides the ability to produce averages, standard deviations and distribution functions for any one of the Apollo 15 ALSEP parameters listed below, only for records when the value of this parameter and/or other parameters satisfy user-specified numeric ranges. Click on left side to specify the output parameter. Enter in the rightside boxes desired minimum and/or maximum value(s) of this and/or any other desired "filtering" parameter(s).

Click HERE for more on using this interface.

Click here for data description.

Time span 1971-07-31 - 1972-06-30

*Select an activity

     Get distribution function, etc. List data selected

*Enter start and stop dates (Use yyyyddd or yyyymmdd)
    Start      Stop

* Select variable
Variable Name Format Min/Max values:
Low    High
Proton Density cm-3 F7.1   
Alpha to Proton Ratio F7.2   
Proton Thermal Velocity, Km/sec I5   
Proton Bulk Speed, Km/sec I6   
Longitude of flow, deg. F7.1   
Latitude of flow, deg. F7.1   
Vx, SE, km/sec. I6   
Vy, SE, km/sec. I6   
Vz, SE, km/sec. I6   

* Specify bin size (width) in units natural to selected parameter
Note: Specify zero (0) to suppress the determination and display of a distribution function

*Advanced plot selections (optional)
Y-axes type: Character size(0.5-2.0):
DF units Image size (pixels): X: Y:

If you have any questions/comments about the OMNWeb Plus, 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