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attribute definition:
image_time
The image_time element provides the spacecraft event time at the time of frame acquisition. This should be represented in UTC system format. Formation rule: YYYY-MM-DDThh:mm:ss[.fff] -
attribute definition:
dawn:fee_flag
Status of the FEE during image acquisition. OFF = FEE is disabled, images cannot be acquired ON = FEE is enabled, images can be acquired -
attribute definition:
instrument_deployment_state
The instrument_deployment_state element indicates the deployment state (i.e. physical configuration) of an instrument at the time of data acquisition. Note: For MPF, this referred to whether or not the IMP camera had been deployed to the end of its 62 cm mast at the time an image was acquired. -
attribute definition:
range_sharp_scaling_factor
The range_sharp_scaling_factor element provides the value of the conversion factor for the best_range_model_tmplt and the range_sharp_echo_profile element that multiplies the integer array of the best_range_model_tmplt and range_sharp_echo_profile elements to yield their physical values, expressed as specific radar cross-sections in units of km**2. -
attribute definition:
column_description
This is the description of an element in the data base. There should be a description for every element. -
attribute definition:
maximum_surface_temperature
The maximum_surface_temperature element provides the maximum equatorial surface temperature value for a given body during its year. -
attribute definition:
mro:sensor_space_transform_flag
The MRO:SENSOR_SPACE_TRANSFORM_FLAG element indicates the application of a spatial transform that maps CRISM VNIR (S detector) data from a given targeted observation into the corresponding IR (L detector) data sensor space. This transformation allows for the generation of CRISM full spectral range (joined) products. N/A indicates the absence of either the IR (L detector) or VNIR (S detector) data ? in either case this procedure does not apply. -
attribute definition:
mro:ie_pws_board_temperature
The MRO:IE_PWS_BOARD_TEMPERATURE element provides the temperature of the HiRISE instrument's Instrument Electronics Power Supply Board in degrees Centigrade. See Figure 2.3, MRO HiRISE EDR SIS, REFKEYID JPLD-32004. -
attribute definition:
inst_cmprs_quantz_type
The inst_cmprs_quantz_type element indicates the method of quantization used for the output of transform coders. -
attribute definition:
minimum_ring_radius
The minimum_ring_radius element indicates the minimum (innermost) radial location of an area within a planetary ring system. Radii are measured from the center of the planet along the nominal ring plane. -
attribute definition:
center_longitude
The center_longitude element provides a reference longitude for certain map projections. For example, in an Orthographic projection, the center_longitude along with the center_latitude defines the point or tangency between the sphere of the planet and the plane of the projection. The map_scale (or map_resolution) is typically defined at the center_latitude and center_longitude. In unprojected images, center_longitude represents the longitude at the center of the image frame. -
attribute definition:
surface_gravity
The surface_gravity element provides the average gravitational acceleration at the surface of a target body. Surface_gravity is computed from the mass and mean radius of the target body. -
attribute definition:
dawn:chamber
This keyword was used during ground tests to describe the test environment. Typically N/A for flight images -
attribute definition:
stop_julian_date_value
The STOP_JULIAN_DATE_VALUE provides the full Julian date (i.e., including date fraction) of the end of an observation or event. Julian dates are expressed as real numbers. Note that this keyword should contain the full Julian date, not the modified Julian date. -
attribute definition:
lro:last_azimuth_command_max
The LAST_AZIMUTH_COMMAND_MAX element gives the maximum value of the last azimuth command in the set of observations that make up a Diviner data product. -
attribute definition:
airmass
The AIRMASS element defines the astronomical ratio 'airmass', which is the number of times the quantity of air seen along the line of sight is greater than the quantity of air in the zenith direction. That is, it is the ratio of the amount of atmosphere lying along the line-of-sight of the observation to the minimum possible amount of atmosphere (which would occur for observations made in the zenith direction). Airmass increases as the line of sight moves away from the perpendicular. This value is used as part of a calculation to determine atmospheric extinction, which is the atmosphere's effect on stellar brightness from a single site. -
attribute definition:
peer_review_results_desc
The peer_review_results element provides the textual description of the results of a peer review. -
attribute definition:
observation_time
The observation_time element provides the date and time of the midpoint between the start and end times (spacecraft, ground-based, or system event) in UTC system format. -
attribute definition:
spectrum_number
The spectrum_number element provides the number which identifies a particular spectrum. -
attribute definition:
bias_state_id
The bias_state_id element identifies the bias state of a wavelength channel in an instrument. Note: For Cassini, this refers to the infrared channel of the VIMS instrument. -
attribute definition:
start_julian_date
The start_julian_date element provides the Julian date of the start of a time period of interest. Julian date is defined as an integer count of days elapsed since noon, January 1, 4713 B.C. Thus, the Julian date of noon January 1, 1960 (A.D.) is 2436935. Note: This element has been superceded by start_julian_date_value and should no longer be used. -
attribute definition:
lro:dlre_ch2_tb_max
The LRO:DLRE_CH2_TB_MAX element gives the maximum recorded brightness temperature value for channel 2 in a DLRE RDR data product. -
attribute definition:
terse_name
The terse_name element supplies a twelve-character unique identifier for a data element and is an alternative to the thirty-character data element name. In the PDS, the terse name is an abbreviation of the data element name, according to the abbreviations documented in the Planetary Science Data Dictionary. -
attribute definition:
unit
The unit element provides the full name or standard abbreviation of a unit of measurement in which a value is expressed. Example values: square meter, meter per second. Note: A table of standard units representing those published by the Systeme Internationale appears in the 'Units of Measurement' section of the PSDD. (Please refer to the table of contents for its location.) The values in this table's 'Unit Name' column constitute the standard values for the data element UNIT. -
attribute definition:
interframe_delay_duration
The interframe_delay_duration element provides the duration in milliseconds (unless otherwise specified) of the delay between the end of one frame and the start of the next to allow time for the scanning mirror to return to its starting position. -
attribute definition:
dark_strip_mean
The dark_strip_mean element provides the mean value of the pixels in the dark strip area of a CCD. The dark strip is an area of the CCD which is covered in such a way as to receive no light. The dark strip provides a measure of the dark current in the CCD. Note: For Cassini, the dark strip pixels were referred to as extended pixels. Also, the mean was calculated without the values from the first and last lines of the CCD. -
attribute definition:
process_version_id
The process_version_id element identifies the version (e.g., the method of processing) of a mosaic. -
attribute definition:
lines
The lines element indicates the total number of data instances along the vertical axis of an image. Note: In PDS label convention, the number of lines is stored in a 32-bit integer field. The minimum value of 0 indicates no data received. -
attribute definition:
lro:dlre_ch7_tb_max
The LRO:DLRE_CH7_TB_MAX element gives the maximum recorded brightness temperature value for channel 7 in a DLRE RDR data product. -
attribute definition:
ch1:thermal_correction_flag
The CH1:THERMAL_CORRECTION_FLAG element indicates if the M3 reflectance calibration process applied a thermal correction. Flag values are: Y = A thermal correction was applied to the radiance image N = A thermal correction was not applied to the radiance image. -
attribute definition:
var_record_type
Tables with variable length records may be stored in two files, with the fixed-length fields in one file and the variable-length fields in the other, usually named *.VAR. In a COLUMN object, the presence of the keywords VAR_DATA_TYPE, VAR_ITEM_BYTES, and VAR_RECORD_TYPE indicates that the column's value is an offset into a variable length record in the *.VAR file. VAR_RECORD_TYPE specifies the type of variable length records in the *.VAR file. -
attribute definition:
product_name
The PRODUCT_NAME element provides the full name of a product. It is related to product_id and provides a brief, descriptive title for a particular data product (i.e., a single file). -
attribute definition:
phase_information_flag
The phase_information_flag element is a yes-or-no flag that indicates whether a ring occultation data set includes information about the phase shift of a signal as it passes through the ring plane. A value of 'Y' indicates that the data is intrinsically complex. In general, this element equals 'Y' for radio occultation data and 'N' for stellar occultation data. -
attribute definition:
wavelength
The wavelength element identifies the mean wavelength to which an instrument detector/filter combination is sensitive. -
attribute definition:
resolution_desc
The resolution_desc element describes the resolution of and the approach used to resolve a user's request for support. -
attribute definition:
mass_density
The mass_density element provides the bulk density (mass per unit volume) of a target body. Bulk density is defined as the ratio of total mass to total volume. -
attribute definition:
mro:typespec_lab_analog_id
The unique identifier of a laboratory spectrum that provides an analog to the CRISM type spectrum. -
attribute definition:
msl:special_line
The MSL:SPECIAL_LINE element specifies, for ChemCam on MSL, the line number in a particular RMI image that has a special meaning. The context of the meaning is defined by MSL:SPECIAL_NAME. -
attribute definition:
receiver_id
The receiver_id element provides an abbreviated name or acronym which identifies a receiving instrument. It is used for experiments that have both transmitting and receiving instruments, in which case the instrument_id element refers to the transmitter. -
attribute definition:
not_applicable_constant
The not_applicable_constant element supplies the numeric value used to represent the figurative constant 'N/A'. 'N/A' (Not Applicable) is defined as indicating when values within the domain of a particular data element do not apply in a specific instance. -
attribute definition:
mro:typespec_denom_lon
The longitude (E) at the center pixel of a region of spectrally unremarkable material used as the denominator in the type spectrum ratio. -
attribute definition:
torque_gain
The element TORQUE_GAIN specifies the torque controller proportional gain, derivative and integral gain. Valid UNIT_IDs are: rad/(sec*m N*m) rad/(mN*m) rad*sec/(mN *m) -
attribute definition:
dawn:v_3_3
Name: V3.3AN Location: PCU H/K Sensor: PCU Voltage Monitor Sensor Type: Voltage Sensor Gain: 0.00033 Offset: 0 Sensor Offset FC1: 0 Sensor Offset FC2: 0 V_3_3 = DN * Gain + Offset + Sensor Offset [V] Lower limit red: 3.0 V Lower limit yellow: 3.2 V Upper limit yellow: 3.7 V Upper limit red: 3.9 V -
attribute definition:
namespace_id
The NAMESPACE_ID element uniquely identifies a set of elements such that there is no ambiguity between elements having identical names but different origins. -
attribute definition:
msl:filter_position_count
The MSL:FILTER_POSITION_COUNT element indicates the position of the optical filter wheel in motor counts. Optical filters are 294 motor counts apart. This keyword is only applicable to the Mastcam instruments. -
attribute definition:
mess:fw_pos
The actual position, in raw counts of the position resolver on the MDIS filter wheel. For each commanded filter number, the instrument software will try to place the filter wheel at the following positions: FILTER_NUMBER MESS:FW_GOAL 1 17376 2 11976 3 6492 4 1108 5 61104 6 55684 7 50148 8 44760 9 39256 10 33796 11 28252 12 22852 Commanded position is reported in MESS:FW_GOAL. There is a tolerance of 240 resolver counts around MESS:FW_GOAL for MESS:FW_POS to indicate that the filter wheel is correctly positioned. -
attribute definition:
instrument_voltage
The INSTRUMENT_VOLTAGE element provides the voltage, in volts, of an instrument or some part of an instrument. This keyword may be used in conjunction with INSTRUMENT_VOLTAGE_POINT to more fully describe either single or multiple voltages at various locations within a single instrument. If there is more than one measurement taken for a given instrument, a multi-value ordered set of values (i.e., sequence) may be constructed to associate each voltage measurement in the INSTRUMENT_VOLTAGE list with a corresponding item in the INSTRUMENT_VOLTAGE_POINT sequence of values. -
attribute definition:
dawn:callamp_duty
The callamp can be run at various duty cycles between 0.0% and 100.0% by using only every other pulse of the callamp frequency to trigger the callamp. DAWN_CALLAMP_DUTY = CALLAMP_FREQUENCY / Value * 100% Example: Value = 1.0 : DAWN_CALLAMP_DUTY = 100 % Value = 2.5 : DAWN_CALLAMP_DUTY = 40 % This calculation is done internally in the camera, the user commands the requensted duty cycle in percentage. -
attribute definition:
received_polarization_type
Polarization of a signal received by an instrument. -
attribute definition:
storage_level_type
The storage_level_type element identifies the type of storage structure to which a given storage_level_number refers. Example values: DATABASE, PHOTOGRAPHIC FRAME NUMBER, TAPE REEL NUMBER, VAX COMPUTER, VAX DIRECTORY, VAX FILE, VAX SUBDIRECTORY.
Data Sets and Information
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