HiCat Data Dictionary

Catalog: HiRISE
The main HiRISE catalog contains all the information used in operating the HiRISE camera after it is attached to the MRO spacecraft. The information is divided into those related to suggesting, planning, commanding, retrieving, processing, validating, and distributing the observations. The tag that follows an observation through all these catalogs (and from Earth to Mars and back) is the unique Observation_ID. This text representation also forms the core of the product names. The HiRISE catalog also contains ancillary information needed in various uplink and downlink activities, such as the people making image suggestions, MRO project uplink files, SPICE and engineering data, and public image releases.
Table:Engineering_Data

Field Description Type Null Limits Size Key Default Authority Source
ID This is the unique ID for each Engineering Data File. The values here should not be assigned by external programs. Instead it can either be ignored, or NULL can be inserted, and the database will automatically assign the next ID. INT(10) unsigned auto_increment Not Null Primary Key db server
VERSION Version number of this record. VARCHAR(255) Not Null
START_TIME The earliest time that this engineering data file covers in UTC. DATETIME
STOP_TIME The latest time that this engineering data file covers in UTC. DATETIME
TYPE The type of engineering data file this is. Does this need to be more verbose? Laz: in the DD, yes. There is the HiRISE camera data that is played back through the 1553 interface. AACS is stuff moving on the spacecraft. MCS is stuff moving on MCS. We will get info on gyros. And nobody knows what else! All placeholder for now. ENUM("HIR", "AACS", "MCS", "OTHER")
PATHNAME The full logical path (filename included) of this engineering data file within the HiRISE filesystem. TEXT
LAST_UPDATE This column records the last time that a record was updated. TIMESTAMP db server

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This page was generated from the XML HiCat Data Dictionary. HEAD

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