Search Results
1051–1100 of 1108 results (0.001 seconds)
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attribute definition:
frequency_band
The frequency_band attribute provides the one or two letter identifier for the frequency band associated with radio occultation data. Required in labels for radio occultations; not used for stellar occultations. -
attribute definition:
minimum_characters
The minimum_characters attribute provides the lower, inclusive bound on the number of characters. -
attribute definition:
observed_ring_elevation
observed_ring_elevation is an angle measured at a point in the ring plane, starting from the ring plane to the direction of a photon heading to the observer. This angle is positive on the side of the ring plane defined by positive angular momentum, and negative on the opposite side. Values range from -90 to +90 in units of degrees. This angle is constant for stellar occultations, but may vary significantly during radio occultations. Note: The direction of positive angular momentum points toward the IAU-defined north side of the ring plane for Jupiter, Saturn and Neptune, but IAU-defined south side of the ring plane for Uranus. Required in the label if the value is constant for the observation. If the angle varies for the observation, the min and max attributes are required in the label, and observed_ring_elevation is strongly recommended as a field in the data table. The above definition of observed_ring_elevation is equivalent to the most common usage of the term 'ring open angle', B. -
attribute definition:
local_identifier
The local_identifier attribute provides a character string which uniquely identifies the containing object within the label. -
attribute definition:
property_value
The property value attribute provides the value assigned to a property. -
attribute definition:
sample_display_direction
The sample_display_direction attribute provides the preferred orientation of samples within a line for viewing on a display device. The attribute sample_display_direction must be used with line_display_direction. -
attribute definition:
sort_name
The sort name attribute provides a string to be used in ordering. For people, the last name (surname) is typically first, followed by a comma and then other names. -
attribute definition:
sub_stellar_clock_angle
sub_stellar_clock_angle is an angle measured at a point in the ring plane, from the direction toward a star to the local radial direction. This angle is projected into the ring plane and measured in the clockwise (retrograde) direction. Equivalently, this is the prograde angle from the local radial direction to the direction toward the star. For stellar occultation data, this angle is equal to (180 - OBSERVED_RING_AZIMUTH) mod 360. It is available only for backward compatibility with previously published Cassini VIMS occultation data analysis; observed_ring_azimuth is the preferred quantity for archiving. sub_stellar_clock_angle is an optional data table field for Cassini VIMS occultation data; not recommended for other occultation data. In a label, the min and max variation attributes are optional for Cassini VIMS occultation data; not recommended for other occultation data. -
attribute definition:
namespace_id
The namespace_id attribute provides the abbreviation of the XML schema namespace container for this logical grouping of classes and attributes. It is assigned by the steward. -
attribute definition:
maximum_characters
The maximum_characters attribute provides the upper, inclusive bound on the number of characters. -
attribute definition:
naif_instrument_id
The naif_instrument_id element provides the numeric ID used within the SPICE system to identify the spacecraft, spacecraft structure or science instrument. -
attribute definition:
xml_schema_base_type
The xml schema base type attribute provides the data type needed for the XML schema implementation. -
attribute definition:
name
The name attribute provides a word or combination of words by which the object is known. -
attribute definition:
high_instrument_saturation
The high_instrument_saturation attribute specifies a special value whose presence indicates the measuring instrument was saturated at the high end. The value must be less than the value of the valid_minimum attribute or more than the value of the valid_maximum attribute. Values of this attribute should be represented in the same data_type as the elements in the object with which the Special_Constants class is associated. -
attribute definition:
registration_date
The registration_date attribute provides the date of registration within the PDS system. -
attribute definition:
minimum_characters
The minimum_characters attribute provides the lower, inclusive bound on the number of characters. -
attribute definition:
unit_id
The unit_id attribute provides a character or character string which serves as an abbreviation for, or symbol representing, a unit of measure. -
attribute definition:
maximum_field_length
The maximum_field_length attribute sets an upper, inclusive bound on the number of bytes in the field. -
attribute definition:
type
The type attribute classifies the attribute definition according to origin. -
attribute definition:
interface_type
The interface type attribute identifies the class of interconnection provided. -
attribute definition:
description
The description attribute provides a statement, picture in words, or account that describes or is otherwise relevant to the object. -
attribute definition:
maximum
The maximum attribute provides the largest value which appears in the stored array after application of any bit mask (Special_Constants values are excluded). -
attribute definition:
unit_id
The unit_id attribute provides a character or character string which serves as an abbreviation for, or symbol representing, a unit of measure. -
attribute definition:
unit_id
The unit_id attribute provides a character or character string that serves as an abbreviation for, or symbol representing, a unit of measure. -
attribute definition:
telescope_latitude
The telescope_latitude attribute provides the angular distance of the telescope north (positive) from the equator, measured on the meridian of the telescope. -
attribute definition:
description
The description attribute provides a statement, picture in words, or account that describes or is otherwise relevant to the object. -
attribute definition:
mission_start_date
The mission_start_date attribute provides the date of the beginning of a mission in UTC system format. -
attribute definition:
maximum_observed_ring_azimuth
maximum_observed_ring_azimuth specifes the largest value for observed_ring_azimuth in the data file. Values range from 0 to 360 in units of degrees. Required in label files for ring occultation data. -
attribute definition:
occultation_type
occultation_type distinguishes between three types of occultation experiments: Stellar, Solar, or Radio. Stellar occultations involve observing a star as a targeted ring or body passes in front, as seen from either a spacecraft or Earth-based observatory. Solar occultations are similar to stellar occultations except that the Sun is used in place of a star. Radio occultations typically involve observing the continuous-wave radio transmissions from a spacecraft as it passes behind the target as seen from a radio telescope on Earth or another spacecraft. Required in labels of occultation observations. Normally not intended as a value for a table field. -
attribute definition:
field_delimiter
The field_delimiter attribute provides the character that marks the boundary between two fields in a delimited table. -
attribute definition:
minimum_characters
The minimum_characters attribute provides the lower, inclusive bound on the number of characters. -
attribute definition:
minimum_value
The minimum_value attribute provides the lower inclusive bound on the value. -
attribute definition:
type
The type attribute classifies units of mass according to the quantity being measured (mass). -
attribute definition:
type
The type attribute classifies the units of current according to the quantity being measured (current). -
attribute definition:
software_language
The software language attribute identifies the language used to write the software. -
attribute definition:
minimum_observed_event_time
minimum_observed_event_time gives the smallest value for observed_event_time in the associated data file. It is given in numeric seconds as an offset from the specified UTC reference time. minimum_observed_event_time is optional in labels since the data file time interval end point values are given by the required start_date_time_utc and stop_date_time_utc attributes in the Time_Coordinates class. -
attribute definition:
comment
The comment attribute is a character string expressing one or more remarks or thoughts relevant to the object. -
attribute definition:
xml_schema_base_type
The xml schema base type attribute provides the data type needed for the XML schema implementation. -
attribute definition:
language
The language attribute provides the language used for definition and designation of the term. -
attribute definition:
version_id
The version_id attribute provides the version of the product, expressed in the PDS [m.n] notation. -
attribute definition:
mission_stop_date
The mission_stop_date attribute provides the date of the end of a mission in UTC system format. -
attribute definition:
maximum_characters
The maximum_characters attribute provides the upper, inclusive bound on the number of characters. -
attribute definition:
sort_name
The sort name attribute provides a string to be used in ordering. For people, the last name (surname) is typically first, followed by a comma and then other names. -
attribute definition:
offset
The offset attribute provides the displacement of the object starting position from the beginning of the parent structure (file, record, etc.). If there is no displacement, offset=0. -
attribute definition:
minimum_characters
The minimum_characters attribute provides the lower, inclusive bound on the number of characters. -
attribute definition:
instrument_name
The instrument_name attribute provides a unique name for an instrument. -
attribute definition:
specified_unit_id
The specified_unit_id attribute provides the unit chosen for maximum_value, minimum_value, and permissible_value. -
attribute definition:
acknowledgement_text
The acknowledgement_text attribute is a character string which recognizes another's contribution, authority, or right. -
attribute definition:
maximum_value
The maximum_value attribute provides the upper, inclusive bound on the value. -
attribute definition:
name
The name attribute provides a word or combination of words by which the object is known.
Data Sets and Information