ephemeris-2.1.0

Ephemeris Data Information

Outline

Schema Definitions
Original Schema

Schema Definitions ¶

This type is an object with the following properties:

ephemeris_reference_frame
string Required
Ephemeris Reference Frame

Reference frame of the ephemeris information.

Maximum length: 10
type
string Required
Ephemeris Type

Type of ephemeris, for example DEFINITIVE, PREDICTED, or DEFAULT.

Maximum length: 30
time
number Required
UTC Time of Ephemeris Information (MJD)

UTC time of the position and velocity vectors in the ephemeris. The time is provided in modified Julian date (MJD).
spatial_x
number Required
X Spatial Coordinate of Roman (km)

X barycentric coordinate of the Roman observatory at the MJD described by meta.ephemeris.time.
spatial_y
number Required
Y Spatial Coordinate of Roman (km)

Y barycentric coordinate of the Roman observatory at the MJD described by meta.ephemeris.time.
spatial_z
number Required
Z Spatial Coordinate of Roman (km)

Z barycentric coordinate of the Roman observatory at the MJD described by meta.ephemeris.time.
velocity_x
number Required
X Component of Roman Velocity (km/s)

X component of the Roman velocity in a barycentric system in units of km/s at the MJD described by meta.ephemeris.time.
velocity_y
number Required
Y Component of Roman Velocity (km/s)

Y component of the Roman velocity in a barycentric system in units of km/s at the MJD described by meta.ephemeris.time.
velocity_z
number Required
Z Component of Roman Velocity (km/s)

Y component of the Roman velocity in a barycentric system in units of km/s at the MJD described by meta.ephemeris.time.

Original Schema ¶

%YAML 1.1
---
$schema: asdf://stsci.edu/datamodels/roman/schemas/rad_schema-2.0.0
id: asdf://stsci.edu/datamodels/roman/schemas/meta/ephemeris-2.1.0

title: Ephemeris Data Information
type: object
properties:
  ephemeris_reference_frame:
    title: Ephemeris Reference Frame
    description: |
      Reference frame of the ephemeris information.
    type: string
    sdf:
      special_processing: VALUE_REQUIRED
      source:
        origin: TBD
    maxLength: 10
    archive_catalog:
      datatype: nvarchar(10)
      destination: [WFIExposure.ephemeris_reference_frame]
  type:
    title: Ephemeris Type
    description: |
      Type of ephemeris, for example DEFINITIVE, PREDICTED, or DEFAULT.
    type: string
    maxLength: 30
    sdf:
      special_processing: VALUE_REQUIRED
      source:
        origin: TBD
    archive_catalog:
      datatype: nvarchar(30)
      destination: [WFIExposure.ephemeris_type]
  time:
    title: UTC Time of Ephemeris Information (MJD)
    description: |
      UTC time of the position and velocity vectors in the
      ephemeris. The time is provided in modified Julian date (MJD).
    type: number
    sdf:
      special_processing: VALUE_REQUIRED
      source:
        origin: Roman Science Data Processing (RSDP)
    archive_catalog:
      datatype: float
      destination: [WFIExposure.ephemeris_time]
  spatial_x:
    title: X Spatial Coordinate of Roman (km)
    description: |
      X barycentric coordinate of the Roman observatory at
      the MJD described by meta.ephemeris.time.
    type: number
    sdf:
      special_processing: VALUE_REQUIRED
      source:
        origin: Roman Science Data Processing (RSDP)
    archive_catalog:
      datatype: float
      destination: [WFIExposure.spatial_x]
  spatial_y:
    title: Y Spatial Coordinate of Roman (km)
    description: |
      Y barycentric coordinate of the Roman observatory at
      the MJD described by meta.ephemeris.time.
    type: number
    sdf:
      special_processing: VALUE_REQUIRED
      source:
        origin: Roman Science Data Processing (RSDP)
    archive_catalog:
      datatype: float
      destination: [WFIExposure.spatial_y]
  spatial_z:
    title: Z Spatial Coordinate of Roman (km)
    description: |
      Z barycentric coordinate of the Roman observatory at
      the MJD described by meta.ephemeris.time.
    type: number
    sdf:
      special_processing: VALUE_REQUIRED
      source:
        origin: Roman Science Data Processing (RSDP)
    archive_catalog:
      datatype: float
      destination: [WFIExposure.spatial_z]
  velocity_x:
    title: X Component of Roman Velocity (km/s)
    description: |
      X component of the Roman velocity in a barycentric
      system in units of km/s at the MJD described by
      meta.ephemeris.time.
    type: number
    sdf:
      special_processing: VALUE_REQUIRED
      source:
        origin: Roman Science Data Processing (RSDP)
    archive_catalog:
      datatype: float
      destination: [WFIExposure.velocity_x]
  velocity_y:
    title: Y Component of Roman Velocity (km/s)
    description: |
      Y component of the Roman velocity in a barycentric
      system in units of km/s at the MJD described by
      meta.ephemeris.time.
    type: number
    sdf:
      special_processing: VALUE_REQUIRED
      source:
        origin: Roman Science Data Processing (RSDP)
    archive_catalog:
      datatype: float
      destination: [WFIExposure.velocity_y]
  velocity_z:
    title: Z Component of Roman Velocity (km/s)
    description: |
      Y component of the Roman velocity in a barycentric
      system in units of km/s at the MJD described by
      meta.ephemeris.time.
    type: number
    sdf:
      special_processing: VALUE_REQUIRED
      source:
        origin: Roman Science Data Processing (RSDP)
    archive_catalog:
      datatype: float
      destination: [WFIExposure.velocity_z]
required:
  [
    type,
    time,
    ephemeris_reference_frame,
    spatial_x,
    spatial_y,
    spatial_z,
    velocity_x,
    velocity_y,
    velocity_z,
  ]