PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT PUBLICATION_DATE = 2018-07-01 NOTE = "AAREADME.TXT describes this volume." END_OBJECT = TEXT END Cassini Orbiter Magnetospheric Imaging Instrument Cassini at Saturn MIMI LEMMS Calibrated Data Archive Planetary Plasma Interactions Discipline Node of the Planetary Data System 1. Introduction This volume contains data from the CASSINI S MIMI LEMMS SENSOR CALIBRATED DATA V1.0 (CO-S-MIMI-4-LEMMS-CALIB-V1.0) data set which contains the calibrated Saturn tour data collected by the LEMMS sensor of the Cassini MIMI instrument. The data cover 2004-01-01 (DOY 001) through 2017-09-15 (DOY 258). The Cassini Magnetospheric Imaging Instrument (MIMI) Low Energy Magnetospheric Measurements (LEMMS) sensor uses two oppositely directed telescopes to measure ions and electrons in the energy range 0.03 to 18 MeV for ions and 0.015 to 0.884 MeV for electrons. LEMMS measures electrons in two ways: the first method of detection uses magnets to bend low-energy electrons into detectors and the second uses a stack of detectors capable of separating electrons by energy discrimination. The LEMMS calibrated data set includes two types of daily plots -- one presenting energy-time spectorgrams in units of intensity, and one with plots of particle pressures. There are also four types of averaged data -- minute and hourly averages for accumulator rate data and PHA data (ions and electrons). These data have been created at the Johns Hopkins University Applied Physics Laboratory by applying various calibrations and averaging. A table describing the energy ranges associated with the MIMI channels is provided in the the /CALIBRATION directory. This data and additional documentation is also provided on the MIMI Reference Volume (COMIMI_0000). The latest version of the Reference Volume is available on-line at http://ppi.pds.nasa.gov/. This volume complies with Planetary Data System (PDS) standards, Version 3.8, described in Jet Propulsion Laboratory (JPL) document JPL D-7669. The PDS and the Planetary Plasma Interactions (PPI) Node in particular, assume no legal liability for errors on this disk. All users are encouraged to verify the 'correctness' of the data prior to submitting any publications or other work based on these data. Errors on this disk should be reported back to the PPI Node of the PDS through the ERRATA reporting procedures described below. 2. Volume format This volume is organized into a hierarchical directory structure. It complies with both the Universal Disk Format (UDF) and the ISO 9660 (level 2) file system standards in order to accommodate users on a wide variety of platforms. 3. File formats The data files on this volume are provided as ASCII comma-delimited tables (CSV files). Each data file is accompanied by a detached PDS label file (LBL file) which contains information describing the data file and data record format. Browse files on this volume are in Adobe PDF format. Document files describing the volume and data products are included in the volume. PDF/A, and 'clean' HTML versions are provided of all documents. The HTML version contains minimal markup and is provided in fulfillment of the PDS 3 requirement of an ASCII version of all document files. Text files and detached label files contain 80-byte fixed-length ASCII records, with a carriage-return character (ASCII 13) in the 79th byte and a line-feed character (ASCII 10) in the 80th byte. This format allows the files to be read by MacOS, DOS, UNIX and VMS operating systems. 4. Volume contents The files on this volume are organised into one Root directory containing several subdirectories. The following table shows the structure and content of these directories. In the table, directory names are enclosed in square brackets, upper-case letters indicate an actual directory or file name, and lower-case letters indicate the general form of a set of directories or file names. DIRECTORY OR FILE CONTENTS Root | |- AAREADME.TXT Textual description of this volume (this file) | |- ERRATA.TXT Description of known anomalies on this volume | |- VOLDESC.CAT PDS volume descriptor file | |- [BROWSE] Graphical depictions of the data from this data | set. Note that these files are for data search | and characterization not necessarily for | publication. | |- [CALIBRATION] | |- [CATALOG] PDS catalog files describing mission, | spacecraft, instrument, and data | |- [DATA] MIMI science data files. The data are divided | into subdirectories by data type/species | (ttt_sss, where ttt is the type, and sss the | species), and year (yyyy). | |- [DOCUMENT] Documents related to this data set including the | data product and volume Software Interface | Specification (SIS) | |- [INDEX] PDS index files for this volume | 5. Errata Every effort has been made to ensure that the data and documentation are of the best possible quality. However, mistakes are inevitable. All users of these data are encouraged to verify the correctness of the data prior to submitting any publications or other work based on these data. Should any user of this product find an error on this volume, please report the error to the PPI Node PDS Operator through the contact information provided below. The file ERRATA.TXT, found at the root level of this volume, contains a list of known deficiencies or caveats associated with data on this volume. An up-to-date version of this file is maintained online at the PDS/PPI node, and may be obtained through the PPI webpages (http:/ppi.pds.nasa.gov/). 6. Contacts This archive volume was produced at the PDS/PPI Node by Joseph Mafi under the direction of Dr. Steven Joy, the PPI Operations Manager. For questions or problems regarding this volume, please contact the PDS/PPI operator: Internet pds_operator@igpp.ucla.edu Telephone (310) 206-6073 A list of relevant Cassini MIMI personnel team is provided in the personnel catalog file (PERSON.CAT) that is associated with this volume.