NGIMS












                                                 Requesting Specific NGIMS Data



    Data Type
    There are tar files available under the section "Downloading annual collections of data" for downloading the complete set.

    The data products are simple ASCII tables. The NGIMS data consists of 5 components: Raw, Calibrated and Derived Single Species Abundances and Altitude resampled abundances. One or 2 files span one MAVEN orbit, covering the interval when the craft was at an altitude of 500Km or less.

    Indices, that can be used for planning data selection, tabulate information associated with each periapsis passage for which NGIMS data is available. The associated geometry is given at the time of closest approach.
    Calibrated Data (csv)
    Single species abundance (csv)
    Altitude resampled abundances (csv)
    Scale heights and temperatures (csv)
    Winds (csv)

    Retrieving Raw Data and Calibration Information
    Raw Data
    Calibration files (See SIS for explanation)

    Calibrated and derived data can be retrieved by selecting among the following data types for specified time intervals

    Data Types - See the Software Interface Specifications document, Page 27 - Table 6 for explanations and note caveats and Product Version Changes associated with this data

       Calibrated Science Data in ion mode
       Calibrated Science Data in neutral mode
       Derived Neutral abundances (closed source - Ar, CO2, He, N2)
       Winds - Available from 2016-03-04T03:37:14.00Z to 2018-05-17T17:07:53.00Z
       Derived ion abundances (open source)
       Altitude resampled abundances
       Scale-heights and temperatures










    Start Time                               2014-10-18T10:06:14.00Z
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    Stop Time                               2020-05-15T00:00:00.00Z
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    Planetocentric Solar longitude Range -180 to 180                               
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    Planetocentric Solar latitude Range -25 to 25                               
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    Planetocentric Spacecraft longitude Range -180 to 180                               
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    Planetocentric Spacecraft latitude Range -75 to 75                               
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    Altitude Range 116 to 5547 KM                              
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    Phase Angle Range 7 - 177°
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    Martian Year 32
    Ls 216 to 355
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    Martian Year 33
    Ls 0 to 360
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    Martian Year 34
    Ls 0 to 360
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    Martian Year 35
    Ls 0 to 201
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