ATMOWeb: Satellite Observations of Ionosphere and Upper Atmosphere


SPDF ATMOSPHERIC EXPLORER-C (AE-C) DATA

This interface provides listing and plotting capabilities for the 15-second merged mission data (79 science parameters and 9 orbit parameters) from the AE-C spacecraft. AE-C was first in an elliptical orbit until mid-75, than changed to a circular orbit at about 300km, and the orbit altitude was changed to about 400 km in mid-77. AE-C's orbit inclination was 68 degrees.

Note: Because of duty cycle limitations there are many data gaps (even several days). The daily ASCII files at our spdf site provide an indication of which days are available.

* Description of spacecraft, experiments and data

Time span of the data set: 1973-12-16 - 1978-12-11

Users may generate time series plots from this page or may generate a scatter plot of any parameter pair by clicking here

Please Fill the Form below, then Submit Query to start operations:

*Select an activity
    Plot data* List data Create file (file?)
*Series of plots may be generated; duration of each is changeable below

* Enter start and stop dates
[Format: YYYYMMDDHH, Valid range: 1973121600 - 1978121123]
   Start time      Stop time

*Select up to 6 variables

Orbit/Attitude Parameters 

Altitude [km]              Latitude [degree] Longitude [degree]
Local time [hour]          Local Magnetic Time [hour]
L-shell parameter [Re]     Magnetic inclination [degree]
Solar zenith angle [degree]Orbit number 



Bennett Ion Mass Spectrometer (BIMS)

H+ [cm-3]             He+ [cm-3]
N+ [cm-3]             O+ [cm-3]
N2+ [cm-3]             NO+ [cm-3]
O2+ [cm-3]             Total ion density [cm-3]
Special ion #2 [cm-3] Fe+ [cm-3]



Cylindrical Electrostatic Probe (CEP)

Electron temperature [K]      Total ion density [cm-3]
Spacecraft potential [V]      Mean ion mass [AMU]



Low-Energy Electron Spectrometer (LEE)

Electron total energy flux [ergs/(cm2 s sr)] Electron characteristic density [cm-3]
Electron characteristic energy [keV]         Electron correlation coefficient
Proton total energy flux [ergs/(cm2 s sr]    Proton characteristic density [cm-3]
Proton characteristic energy [keV]           Proton correlation coefficient


Miniature Electrostatic Accelerometer (MESA)

Neutral density [g/cm3]      Traverse wind component [m/s]



Magnetic Ion Mass Spectrometer (MIMS)

H+ [cm--3]            D+ [cm-3]
He+ [cm-3]            O++ [cm-3]
N+ [cm-3]             O+ [cm-3] 
Mg+ [cm-3]            N2+ [cm-3]
NO+ [cm-3]            O2+ [cm-3]



Neutral Atmosphere Composition Experiment (NACE)

N2 [cm-3]        O [cm-3]
He [cm-3]        Ar [cm-3]
NO [cm-3]        Total Oxygen [cm-3]



Neutral Atmosphere Temperature Experiment (NATE)

Neutral temperature [K]         N2 [cm-3]
Total Oxygen (O+2*O2) [cm-3]     He [cm-3]
Ar [cm-3]                        Vertical wind (+ upward) [m/s]

                

Open-Source Neutral Mass Spectrometer (OSS)

N2 [cm-3]         O2 [cm-3]
He [cm-3]         O [cm-3] 
Ar [cm-3]         Special (O/2+O2) [cm-3]
N [cm-3]



PhotoElectron Spectrometer (PES)
                
Flux 2-3 eV [1/(cm2 eV s sr)]          Flux 7-9 eV [1/(cm2 eV s sr)]
Flux 12-17 eV [1/(cm2 eV s sr)]        Flux 25-30 eV [1/(cm2 eV s sr)]
Flux 37-47 eV [1/(cm2 eV s sr)]        Flux 100-500 eV [1/(cm2 eV s sr)]



Retarding Potential Analyzer (RPA)

Ion temperature [K]                       Total ion density (Ni) [cm-3]
Ion drift normal to RPA (VD) [m/s]        Spacecraft Potential [V]
Transverse vertical ion drift (VD=0) [m/s] Transv. horizontal ion drift (VD=0) [m/s]
SIGMA (Delta Ni)/Ni
Additional parameter #2 
Additional parameter #2



Ultraviolet Nitric Oxide Spectrometer (UVNO)

NO scale height [km]       NO density [cm-3]
NO density at 150 KM       Maximum NO density [cm-3]
Altitude of NO maximum [km]




Visible Airglow Experiment (VAE)

CH1: up; CH2: 3371 A [Rayleighs]     CH1: down; CH2: 4278 A [Rayleighs]
CH1: back; CH2: 5200 A [Rayleighs]   CH1: forward; CH2: 5577 A [Rayleighs]
CH2: up; CH2: 6300 A [Rayleighs]     CH2: down; CH2: 7319 A [Rayleighs]

                       
    





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    Send questions about ATMOWeb data to 
      Dr. Dieter Bilitza

      Send questions about ATMOWeb system/interface to: 
     Dr. Natalia Papitashvili		






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