The Neutral Mass Spectrometer (NMS) is a high sensitivity quadrupole mass spectrometer with a mass range to 150 Dalton and unit mass resolution. The NMS "adaptive" scan mode allows bands of mass values to be selected to search for unexpected species. NMS has two instrument modes of operation: (1) open source (Tilt or survey mode and ion mode) (2) closed source (Ram Mode).

    Useful Mission Documents
    Mission Description

    Spacecraft Description

    Software Interface Specification (SIS) - Description of the instrument and data structures

    Calibration Document - Description of the calibration methods

    Archive Bundle Contents
    Document - Directory containing the document collection, which includes references to refereed journals using this instrument, and information about calibration and explanation of data structures.

    Raw Data - Directory containing the raw data files.

    Calibrated Data - Directory containing the calibrated data files.

    Derived Data - Directory containing single-species abundance vs. time data.


    Selecting and Requesting Data - Each of the following indices can be downloaded and edited to contain data that conforms to your needs. This allows you to understand the scope of the data set and to tailor your request for specific products.

    As-Flown Index
    Calibrated Data (txt) - List of observations in order of acquisition
    Derived Data (txt) - List of observations in order of acquisition

    Requesting Data - You will need to upload your edited file


    Other Useful Products for Interpreting the Data

    References - Publications by team members (also found in Document)

    Other Potential Relevant Data - Data that may be relevant from missions other than LADEE

    SPICE - Archived LADEE SPICE ancillary data providing observation geometry (positions, orientations, instrument pointing, time conversions, etc.) are available from the PDS NAIF Node