Data Set Information
DATA_SET_NAME IRAS MEDIUM RESOLUTION ZODIACAL HISTORY FILE V1.0
DATA_SET_ID IRAS-D-FPA-3-RDR-ZOHF-MED-RES-V1.0
NSSDC_DATA_SET_ID
DATA_SET_TERSE_DESCRIPTION
DATA_SET_DESCRIPTION Data Set Overview : The IRAS Medium-Resolution (2 arcminute in-scan) Zodiacal Observational History File (ZOHF) consists of the time-ordered IRAS survey data averaged into 2' X 1/2 degree rectangular pixels along with pointing and timing information, covering the entire mission. The data used in generating these files (Version 2) is not identical to that used in generating the 1/2 X 1/2 degree ZOHF (Version 3). An explanation of the differences in calibration between the two datasets and a statistical analysis of the differences in the resultant positions and fluxes may be found in Oken et al. (1988) and Boulanger (1988). While generally characterized as being 2' x 1/2 degree pixels, the actual pixel dimensions (in arc-minutes) are as follows: Band Wavelength In-Scan Cross-Scan 1 12 1.925 28.4 2 25 1.925 30.3 3 60 1.925 28.5 4 100 1.925 30.5 (Oken et al. 1988). Eight scans have been deleted from the IRAS Medium-Resolution ZOHF as released by the Infrared Processing and Analysis Center. These scans are not released in the Low-Resolution product and correspond to Pointed Observation scans that were mistakenly included in the Medium-Resolution product. The OBSERVATION_ID numbers of the excluded scans are 154.32, 157.06, 158.33, 239.35, 267.42, 427.08, 465.38, and 479.20 . Parameters : SAMPLING PARAMETER NAME : OBSERVATION ID MINIMUM_SAMPLING_PARAMETER : 029.01 MAXIMUM_SAMPLING_PARAMETER : 600.36
DATA_SET_RELEASE_DATE 1993-04-26T00:00:00.000Z
START_TIME 1983-01-26T12:00:00.000Z
STOP_TIME 1983-11-22T12:00:00.000Z
MISSION_NAME INFRARED ASTRONOMICAL SATELLITE
MISSION_START_DATE 1983-01-26T12:00:00.000Z
MISSION_STOP_DATE 1983-11-23T12:00:00.000Z
TARGET_NAME DUST
TARGET_TYPE DUST
INSTRUMENT_HOST_ID IRAS
INSTRUMENT_NAME FOCAL PLANE ARRAY
INSTRUMENT_ID FPA
INSTRUMENT_TYPE CAMERA
NODE_NAME Small Bodies
ARCHIVE_STATUS ARCHIVED
CONFIDENCE_LEVEL_NOTE Confidence Level Overview : N/A
CITATION_DESCRIPTION Oken C.A., Boulanger F., and M.V. Sykes, IRAS MEDIUM RESOLUTION ZODIACAL HISTORY FILE V1.0, IRAS-D-FPA-3-RDR-ZOHF-MED-RES-V1.0, NASA Planetary Data System, 1993.
ABSTRACT_TEXT The IRAS Medium-Resolution (2 arcminute in-scan) Zodiacal Observational History File (ZOHF) consists of the time-ordered IRAS survey data averaged into 2' X 1/2 degree rectangular pixels along with pointing and timing information, covering the entire mission.
PRODUCER_FULL_NAME MARK V. SYKES
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