NGIMS












                                                 Requesting Specific NGIMS Data



    The Mission Time Line (csv) can be used to select time intervals of interest. This file contains geometry parameters that are associated with the periapse of each orbit and supporting notes that will be updated and enhanced over time.

    Data Type
    The data products are simple ASCII tables. The NGIMS data consists of 5 components: Calibration. Raw and Calibrated data and derived Single Species Abundances and Altitude resampled abundances. Each file spans 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 tabulates information associated with each periapsis passage for which NGIMS data is available. The associated geometry is given at the time of periapsis passage.
    Calibrated Data
    Derived Data
    Altitude resampled abundances
    Scale heights and temperatures

    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 Definitions Table

    Data Types - note caveats 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)
       Derived Neutral abundances (All Neutrals - Ar, CO2, He, N2, CO, O2, O, NO)
       Derived ion abundances (open source)
       Altitude resampled abundances
       Scale-heights and temperatures










    Start Time                               2014-10-18T10:06:14
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    Stop Time                               2016-02-15T00:00:00
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    Areodetic Solar longitude Range 0 to 360                               
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    Areodetic Solar latitude Range -25 to 25                               
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    Areodetic Spacecraft longitude Range 0 to 360                               
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    Areodetic Spacecraft latitude Range -75 to 75                               
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    Altitude Range 120 to 188                               
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    Martian Year 32
    Ls 209 to 360
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    Martian Year 33
    Ls 6 to 349
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