meta/ephemeris-1.0.0

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 (either DEFINITIVE or PREDICTED).

No length restriction
Only the following values are valid for this node:
- DEFINITIVE
- PREDICTED
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-1.0.0
id: asdf://stsci.edu/datamodels/roman/schemas/meta/ephemeris-1.0.0

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,
          GuideWindow.ephemeris_reference_frame,
        ]
  type:
    title: Ephemeris Type
    description: |
      Type of ephemeris (either DEFINITIVE or PREDICTED).
    type: string
    enum: [DEFINITIVE, PREDICTED]
    sdf:
      special_processing: VALUE_REQUIRED
      source:
        origin: TBD
    archive_catalog:
      datatype: nvarchar(10)
      destination: [WFIExposure.ephemeris_type, GuideWindow.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, GuideWindow.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, GuideWindow.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, GuideWindow.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, GuideWindow.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, GuideWindow.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, GuideWindow.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, GuideWindow.velocity_z]
required:
  [
    type,
    time,
    ephemeris_reference_frame,
    spatial_x,
    spatial_y,
    spatial_z,
    velocity_x,
    velocity_y,
    velocity_z,
  ]