PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 411 FILE_RECORDS = 432 ^INDEX_TABLE = "INDEX.TAB" DATA_SET_ID = "HST-S-WFPC2-3-RPX-V1.0" PRODUCT_CREATION_TIME = 1998-09-21T00:00:00 SPACECRAFT_NAME = "HUBBLE SPACE TELESCOPE" SPACECRAFT_ID = HST INSTRUMENT_NAME = "WIDE FIELD PLANETARY CAMERA 2" INSTRUMENT_ID = WFPC2 TARGET_NAME = SATURN OBJECT = INDEX_TABLE INTERCHANGE_FORMAT = ASCII ROWS = 432 COLUMNS = 22 ROW_BYTES = 411 INDEX_TYPE = SINGLE DESCRIPTION = "This is a table of the files on this CDROM volume. There is one record per data file on the disk. This table emphasizes the instrument-specific and mission-specific parameters of the images on this volume. See the file OBSINDEX.TAB for geometric and photometric parameters of each image." OBJECT = COLUMN NAME = VOLUME_ID DATA_TYPE = CHARACTER START_BYTE = 2 BYTES = 9 FORMAT = "A9" UNIT = 'N/A' DESCRIPTION = "Identifies the CDROM volume containing the particular file." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILE_SPECIFICATION_NAME DATA_TYPE = CHARACTER START_BYTE = 14 BYTES = 39 FORMAT = "A39" UNIT = 'N/A' DESCRIPTION = "Name and directory path of the PDS label file describing the particular file." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOURCE_FILE_NAME DATA_TYPE = CHARACTER START_BYTE = 56 BYTES = 13 FORMAT = "A13" UNIT = 'N/A' DESCRIPTION = "Name of the original data file, as provided by the Space Telescope Science Institute." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PLANET DATA_TYPE = CHARACTER START_BYTE = 72 BYTES = 7 FORMAT = "A7" UNIT = 'N/A' DESCRIPTION = "Name of the planet to which the image was targeted. In this particular data set, every image is targeted at SATURN." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_TYPE DATA_TYPE = CHARACTER START_BYTE = 82 BYTES = 24 FORMAT = "A24" UNIT = 'N/A' DESCRIPTION = "Eight different types of data files are found in this data set. They are: GIF_BROWSE_IMAGE: A mosaic of the four WFPC2 fields together, at reduced resolution and in GIF format. CALIBRATED_IMAGE: Calibrated science data. CALIBRATED_QUALITY_MASK: Data quality for calibrated science data. RAW_IMAGE: Raw science data. RAW_QUALITY_MASK: Data quality for raw science data. ENGINEERING_DATA: Extracted engineering data. ENGINEERING_QUALITY_MASK: Data quality for extracted engineering data. OBSERVATION_HEADER: Standard header packet containing observation parameters. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_CREATION_TIME DATA_TYPE = CHARACTER START_BYTE = 109 BYTES = 19 FORMAT = "A19" UNIT = 'N/A' DESCRIPTION = "Approximate date and time that the file was created given in PDS format ('yyyy-mm-ddThh:mm:ss')." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RING_OBSERVATION_PREFIX DATA_TYPE = CHARACTER START_BYTE = 131 BYTES = 35 FORMAT = "A35" UNIT = 'N/A' DESCRIPTION = "The RING_OBSERVATION_ID provides a unique identifier for each scientific observation (image, spectrum, occultation profile, etc.) cataloged by the PDS Rings Node. An example from this data set is 'S/IMG/HST/WFPC2/1995-08-09/U2TF0101/PC1'. Here 1995-08-09 specifies the date of the particular observation, and U2TF0101 is the unique image identification provided by Space Telescope Science Institute. Finally, PC1 indicates that this refers to the image acquired by the Planetary Camera of WFPC2 (as opposed to the Wide Field Cameras WF2, WF3 or WF4). This particular index contains one record per data file. Since each file contains data from all four cameras (PC1, WF2, WF3, WF4), this table lists only the initial part each RING_OBSERVATION_ID; the last four characters specifying the camera are omitted." END_OBJECT = COLUMN OBJECT = COLUMN NAME = HST_PROPOSAL_ID DATA_TYPE = CHARACTER START_BYTE = 168 BYTES = 4 FORMAT = "A4" UNIT = 'N/A' DESCRIPTION = "The proposal ID number assigned to the observing program by Space Telescope Science Institute." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PI_LAST_NAME DATA_TYPE = CHARACTER START_BYTE = 174 BYTES = 10 FORMAT = "A10" UNIT = 'N/A' DESCRIPTION = "Last name of the Principal Investigator." END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_TIME DATA_TYPE = CHARACTER START_BYTE = 187 BYTES = 19 FORMAT = "A19" UNIT = 'N/A' DESCRIPTION = "UTC date and time at which camera shutter opened, in PDS format ('yyyy-mm-ddThh:mm:ss')." END_OBJECT = COLUMN OBJECT = COLUMN NAME = STOP_TIME DATA_TYPE = CHARACTER START_BYTE = 209 BYTES = 19 FORMAT = "A19" UNIT = 'N/A' DESCRIPTION = "UTC date and time at which camera shutter closed, in PDS format ('yyyy-mm-ddThh:mm:ss')." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGETED_FIELD DATA_TYPE = CHARACTER START_BYTE = 231 BYTES = 3 FORMAT = "A3" UNIT = 'N/A' DESCRIPTION = "Name of targeted field. The Wide Field and Planetary Camera II (WFPC2) aboard the Hubble Space Telescope has four fields: Planetary Camera (PC1), Wide Field 2 (WF2), Wide Field 3 (WF3) or Wide Field 4 (WF4). This column value is not applicable to GIF_BROWSE_IMAGE and OBSERVATION_HEADER type data files." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EXPOSURE_DURATION DATA_TYPE = ASCII_REAL START_BYTE = 236 BYTES = 7 FORMAT = "F7.2" UNIT = "s" DESCRIPTION = "Duration of the exposure in seconds. Equivalent to FITS keyword UEXPODUR." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILTER_NAME DATA_TYPE = CHARACTER START_BYTE = 245 BYTES = 13 FORMAT = "A13" UNIT = 'N/A' DESCRIPTION = "Name of the filter used for the exposure. Equivalent to FITS keywords FILTNAM1 and FILTNAM2. If two filters were used, their names are concatenated with a '+' separator." END_OBJECT = COLUMN OBJECT = COLUMN NAME = APERTURE_TYPE DATA_TYPE = CHARACTER START_BYTE = 261 BYTES = 8 FORMAT = "A8" UNIT = 'N/A' DESCRIPTION = "Aperture type as designated by Space Telescope Science Insititute. Possible values are PC1, PC1-FIX, WF2-FIX, WF3-FIX, WF4-FIX, F160BN1, FQCH4N1, FQCH4N3, FQCH4W3, and FQCH4W4." END_OBJECT = COLUMN OBJECT = COLUMN NAME = GAIN_MODE_ID DATA_TYPE = CHARACTER START_BYTE = 272 BYTES = 5 FORMAT = "A5" UNIT = 'N/A' DESCRIPTION = "The gain mode used for the particular image. Possible values are A2D7 and A2D15. Found in the value of FITS keyword PHOTMODE." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_MODE DATA_TYPE = CHARACTER START_BYTE = 280 BYTES = 4 FORMAT = "A4" UNIT = 'N/A' DESCRIPTION = "The image readout mode used for the particular image. Possible values are FULL and AREA. Equivalent to FITS keyword MODE. In FULL mode, each pixel is read out individually, providing full resolution. In AREA mode pixels are summed in 2x2 boxes before readout. The advantage of the AREA mode is that readout noise for the larger pixels is nearly the same as for the unsummed pixels." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EXPOSURE_TYPE DATA_TYPE = CHARACTER START_BYTE = 287 BYTES = 6 FORMAT = "A6" UNIT = 'N/A' DESCRIPTION = "How the exposure time was calculated. Possible values are NORMAL, INTERRUPTED, INCOMPLETE, EXTENDED, UNCERTAIN, INDETERMINATE, or PREDICTED (HST Data Handbook, p. 480). Equivalent to FITS keyword EXPFLAG." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FGS_LOCK DATA_TYPE = CHARACTER START_BYTE = 296 BYTES = 7 FORMAT = "A7" UNIT = 'N/A' DESCRIPTION = "Commanded FGS (Fine Guidance Sensor) lock method. Possible values are FINE, GYROS, and UNKNOWN. Equivalent to FITS keyword FGSLOCK. Gyro tracking allows a drift rate of approximately 1 mas/sec. FINE tracking typically holds pointing with an r.m.s. error of less than 7 mas. (HST Data Handbook, p. 483)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DATA_QUALITY DATA_TYPE = CHARACTER START_BYTE = 306 BYTES = 9 FORMAT = "A9" UNIT = 'N/A' DESCRIPTION = "Quality of data, as identified by Space Telescope Institute. Possible values are OK, SATURATED, UNDEREXP, UNKNOWN." END_OBJECT = COLUMN OBJECT = COLUMN NAME = HST_TARGET_NAME DATA_TYPE = CHARACTER START_BYTE = 318 BYTES = 18 FORMAT = "A18" UNIT = 'N/A' DESCRIPTION = "Name assigned by the Principal Investigator and Space Telescope Science Institue to the target. Equivalent to FITS keyword TARGNAME." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NOTE1 DATA_TYPE = CHARACTER START_BYTE = 339 BYTES = 70 FORMAT = "A70" UNIT = 'N/A' DESCRIPTION = "First note field provided by the Principal Investigator and by Space Telescope Science Institute." END_OBJECT = COLUMN END_OBJECT = INDEX_TABLE END