| Field | Description | Type | Null | Limits | Size | Key | Default | Authority | Source |
|---|---|---|---|---|---|---|---|---|---|
| OBSERVATION_ID | Unique identifier for a THEMIS data product composed of the PRODUCT_ID and without the 3 character processing type suffix. In the format Voooooiii: the V indicates the visible camera; ooooo is the 5-digit mission orbit number when the data was collected, zero padded; and iii is the 3-digit image sequence number indicating the order that images were collected within a given orbit | VARCHAR(9) | Not Null | unique index | PDS THMIDX_VIS.TAB | ||||
| START_TIME | UTC date and time at the beginning of data acquisition for this product; value given in SCET following the format yyyy-mm-ddThh:mm:ss.fff. See also DOCUMENT/SDPSIS.pdf, Section 2.3.4 and Appendix A.7. | VARCHAR(23) | Not Null | PDS THMIDX_VIS.TAB | |||||
| STOP_TIME | UTC date and time at the end of data acquisition for this product; value given in SCET following the format yyyy-mm-ddThh:mm:ss.fff. See also DOCUMENT/SDPSIS.pdf, Section 2.3.4 and Appendix A.7. | VARCHAR(23) | Not Null | PDS THMIDX_VIS.TAB | |||||
| SPACECRAFT_CLOCK_START_COUNT | Value of the spacecraft clock at the beginning of data acquisition for this product. See also DOCUMENT/SDPSIS.pdf, Section 2.3.4 and Appendix A.7. | DECIMAL(13,3) | Not Null | PDS THMIDX_VIS.TAB | |||||
| SPACECRAFT_CLOCK_STOP_COUNT | Value of the spacecraft clock at the end of data acquisition for this product. See also DOCUMENT/SDPSIS.pdf, Section 2.3.4 and Appendix A.7. | DECIMAL(13,3) | Not Null | PDS THMIDX_VIS.TAB | |||||
| START_TIME_ET | The time at the beginning of data acquisition for this product; value given in SCET, ET format. See also DOCUMENT/SDPSIS.pdf, Section 2.3.4 and Appendix A.7. | DECIMAL(13,3) | Not Null | PDS THMIDX_VIS.TAB | |||||
| STOP_TIME_ET | The time at the end of data acquisition for this product; value given in SCET, ET format. See also DOCUMENT/SDPSIS.pdf, Section 2.3.4 and Appendix A.7 | DECIMAL(13,3) | Not Null | PDS THMIDX_VIS.TAB | |||||
| UNCORRECTED_SCLK_START_COUNT | Value of the spacecraft clock when the instrument was commanded to beginning data acquisition of this product; this can vary by as much as 4 seconds from the other START_TIME keywords. See also DOCUMENT/SDPSIS.pdf, Section 2.3.4 and Appendix A.7. | DECIMAL(13,3) | Not Null | PDS THMIDX_VIS.TAB | |||||
| IMAGE_DURATION | The length of time in seconds required to collect all frames of all bands in the downlinked image. | FLOAT unsigned | Not Null | PDS THMIDX_VIS.TAB | |||||
| LINE_SAMPLES | Total number of pixels along the horizontal axis of the image. | SMALLINT(4) unsigned | Not Null | PDS THMIDX_VIS.TAB | |||||
| IMAGE_LINES | Total number of pixels along the vertical axis of the image. | MEDIUMINT(5) unsigned | Not Null | PDS THMIDX_VIS.TAB | |||||
| BAND_NUMBER | List of bands available in the image with 1 representing band 1, and 5 representing band 5 examples: 12345 = all bands avail; 135 = bands 1, 3, and 5 avail | VARCHAR(5) | Not Null | PDS THMIDX_VIS.TAB | |||||
| DESCRIPTION | Description of the image written by the mission planner. Note that some descriptions are truncated to fit into this index; the full description is available in the image headers. | VARCHAR(40) | Not Null | PDS THMIDX_VIS.TAB | |||||
| FOCAL_PLANE_TEMPERATURE | Temperature of the VIS camera focal plane at the time of the observation. | FLOAT | Not Null | PDS THMIDX_VIS.TAB | |||||
| EXPOSURE_DURATION | Exposure time, in milliseconds, of the VIS camera for this observation. | FLOAT | Not Null | PDS THMIDX_VIS.TAB | |||||
| SPATIAL_SUMMING | Onboard spatial average of NxN set pixels applied to this observation; where N is the value of the keyword, and N=1 implies that no spatial averaging has been applied. | TINYINT(1) | Not Null | PDS THMIDX_VIS.TAB | |||||
| ABR_BAND | Number of the band used to generate the VIS-ABR product, with 1 representing band 1, and 5 representing band 5; examples: 3 = derived from band 3; 5 = derived from band 5 | TINYINT(1) | Not Null | PDS THMIDX_VIS.TAB | |||||
| IR_VIS_PAIR | The OBSERVATION_ID of the IR or VIS image acquired at the same time as this image; filled with N/A if no images were acquired simultaneously with this image. | VARCHAR(9) | Not Null | PDS THMIDX_VIS.TAB | |||||
| GEOMETRY_SOURCE | Description of the geometry kernels used by the ISIS software when generating the geometry information for this image: P = Predicted using NAIF tools (some parameters may be unknown); R = Reconstructed; N = Nadir pointing assumed; U = Geometry unavailable; parameters filled with UNKNOWN_CONSTANT | VARCHAR(1) | Not Null | PDS THMIDX_VIS.TAB | |||||
| SAMPLE_RESOLUTION | The horizontal size, in kilometers, of a pixel at the center of the image as projected onto the surface of the target. | FLOAT | PDS THMIDX_VIS.TAB | ||||||
| LINE_RESOLUTION | The vertical size of a pixel, in kilometers, at the center of the image as projected onto the surface of the target. | FLOAT | PDS THMIDX_VIS.TAB | ||||||
| PIXEL_ASPECT_RATIO | Ratio of the height to the width of the projection of the center pixel onto the surface of the target. | FLOAT | PDS THMIDX_VIS.TAB | ||||||
| CENTER_LATITUDE | Latitude on Mars at the image center. | FLOAT | Not Null | PDS THMIDX_VIS.TAB | |||||
| CENTER_LONGITUDE | Longitude on Mars at the image center using an east positive coordinate system. | FLOAT | Not Null | PDS THMIDX_VIS.TAB | |||||
| UPPER_LEFT_LATITUDE | Latitude on Mars at the upper left corner of the image. | FLOAT | Not Null | PDS THMIDX_VIS.TAB | |||||
| UPPER_LEFT_LONGITUDE | Longitude on Mars at the upper left corner of the image. | FLOAT | Not Null | PDS THMIDX_VIS.TAB | |||||
| UPPER_RIGHT_LATITUDE | Latitude on Mars at the upper right corner of the image. | FLOAT | Not Null | PDS THMIDX_VIS.TAB | |||||
| UPPER_RIGHT_LONGITUDE | Longitude on Mars at the upper right corner of the image. | FLOAT | Not Null | PDS THMIDX_VIS.TAB | |||||
| LOWER_LEFT_LATITUDE | Latitude on Mars at the lower left corner of the image. | FLOAT | Not Null | PDS THMIDX_VIS.TAB | |||||
| LOWER_LEFT_LONGITUDE | Longitude on Mars at the lower left corner of the image. | FLOAT | Not Null | PDS THMIDX_VIS.TAB | |||||
| LOWER_RIGHT_LATITUDE | Latitude on Mars at the lower right corner of the image. | FLOAT | Not Null | PDS THMIDX_VIS.TAB | |||||
| LOWER_RIGHT_LONGITUDE | Longitude on Mars at the lower left corner of the image. | FLOAT | Not Null | PDS THMIDX_VIS.TAB | |||||
| PHASE_ANGLE | The angle between the surface-to-Sun vector and the surface-to-THEMIS vector drawn at the center of the image for the time the image was acquired. | FLOAT | PDS THMIDX_VIS.TAB | ||||||
| INCIDENCE_ANGLE | The angle between the Sun and a 'normal' drawn perpendicular to the surface of the planet at the center of the image for the time the image was acquired. A value of 0 degrees indicates that the Sun was directly overheas at the time the image was acquired. | FLOAT | PDS THMIDX_VIS.TAB | ||||||
| EMISSION_ANGLE | The angle between THEMIS and a 'normal' drawn perpendicular to the planet surface at the center of the image. For nadir observations, this value will be approximately 0 degrees. | FLOAT | PDS THMIDX_VIS.TAB | ||||||
| NORTH_AZIMUTH | The clockwise angle from an imaginary three o'clock axis to the North polar axis, where the origin of both axes is at the center of the image. | FLOAT | PDS THMIDX_VIS.TAB | ||||||
| SLANT_DISTANCE | A measure of the distance from the spacecraft to the target body at the center of the image; this value is the spacecraft altitude if the emission angle is 0 degrees. | FLOAT | PDS THMIDX_VIS.TAB | ||||||
| LOCAL_TIME | The local time on Mars, in hours, at the center of the image, given as the division of the Martian day into 24 equal parts; for example, 12.00 represents high noon. | FLOAT | PDS THMIDX_VIS.TAB | ||||||
| SOLAR_LONGITUDE | The position of Mars relative to the Sun as measured from the vernal equinox; also known as heliocentric longitude. | FLOAT | PDS THMIDX_VIS.TAB | ||||||
| SUB_SOLAR_AZIMUTH | The clockwise angle from an imaginary three o'clock axis to the Sun at the time the image was acquired, where the origin of both axes is at the center of the image. | FLOAT | PDS THMIDX_VIS.TAB | ||||||
| CENTER | The center latitude and longitude of the image, stored as an OpenGIS point object. | POINT | Not Null | PDS THMIDX_VIS.TAB | |||||
| FOOTPRINT | The image footprint stored as an OpenGIS polygon object. | POLYGON | Not Null | PDS THMIDX_VIS.TAB | |||||
| LAST_UPDATE | This column records the last time that a record was updated. | TIMESTAMP | db server |
Table Options:
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