wfi_image-1.4.0

Level 2 (L2) Calibrated Roman Wide Field Instrument (WFI) Rate Image.

Outline

Schema Definitions
Original Schema

Schema Definitions ¶

This type is an object with the following properties:

meta
object Required
This node must validate against all of the following:
- asdf://stsci.edu/datamodels/roman/schemas/meta/common-1.0.0
- This type is an object with the following properties:
  
  background
  asdf://stsci.edu/datamodels/roman/schemas/meta/sky_background-1.0.0
  cal_logs
  asdf://stsci.edu/datamodels/roman/schemas/meta/cal_logs-1.0.0
  cal_step
  asdf://stsci.edu/datamodels/roman/schemas/meta/l2_cal_step-1.0.0
  outlier_detection
  asdf://stsci.edu/datamodels/roman/schemas/meta/outlier_detection-1.0.0
  photometry
  asdf://stsci.edu/datamodels/roman/schemas/meta/photometry-1.0.0 Required
  source_catalog
  asdf://stsci.edu/datamodels/roman/schemas/meta/source_catalog-1.0.0
  statistics
  asdf://stsci.edu/datamodels/roman/schemas/meta/statistics-1.0.0
  wcs
  object Required
  WCS object
  
  This node must validate against any of the following:
  
  tag:stsci.edu:gwcs/wcs-*
  
  null
data
tag:stsci.edu:asdf/core/ndarray-1.* Required
Science Data (DN/s) or (MJy/sr)

Calibrated science rate image in units of data numbers per second (DN/s) or megaJanskys per steradian (MJy/sr).
dq
tag:stsci.edu:asdf/core/ndarray-1.* Required
Data Quality

Bitwise sum of data quality flags.
err
tag:stsci.edu:asdf/core/ndarray-1.* Required
Error (DN / s) or (MJy / sr)

Total error array in units of data numbers per second (DN/s) or megaJanskys per steradian (MJy/sr).
var_poisson
tag:stsci.edu:asdf/core/ndarray-1.* Required
Poisson Variance (DN^2/s^2) or (MJy^2/sr^2)

Component of the per pixel variance due to Poisson noise in units of data numbers squared per second squared (DN^2/s^2) or megaJanskys squared per square steradian (MJy^2/sr^2).
var_rnoise
tag:stsci.edu:asdf/core/ndarray-1.* Required
Read Noise Variance (DN^2/s^2) or (MJy^2/sr^2)

Component of the per pixel variance due to detector read noise in units of data numbers squared per second squared (DN^2/s^2) or megaJanskys squared per square steradian (MJy^2/sr^2).
var_flat
tag:stsci.edu:asdf/core/ndarray-1.*
Flat Field Variance (DN^2/s^2) or (MJy^2/sr^2)

Component of the per pixel variance due to the flat field in units of data numbers squared per second squared (DN^2/s^2) or megaJanskys squared per square steradian (MJy^2/sr^2).
amp33
tag:stsci.edu:asdf/core/ndarray-1.* Required
Amplifier 33 Reference Pixel Data (DN)

Reference pixel data from amplifier 33 in units of data numbers (DN).
border_ref_pix_left
tag:stsci.edu:asdf/core/ndarray-1.* Required
Left-Edge Border Reference Pixels (DN)

Uncalibrated, four-pixel border reference pixel cube from the left-edge of the detector in the science frame orientation. In the L1 uncal file data array, these are pixels (z, y, x) = [:, :, :4] in a zero-indexed system.
border_ref_pix_right
tag:stsci.edu:asdf/core/ndarray-1.* Required
Right-Edge Border Reference Pixels (DN)

Uncalibrated, four-pixel border reference pixel cube from the right-edge of the detector in the science frame orientation. In the L1 uncal file data array, these are pixels (z, y, x) = [:, :, 4092:] in a zero-indexed system.
border_ref_pix_top
tag:stsci.edu:asdf/core/ndarray-1.* Required
Border Reference Pixels on the Top of the Detector (DN)

Border reference pixels on the top of the detector in units of DN.
border_ref_pix_bottom
tag:stsci.edu:asdf/core/ndarray-1.* Required
Bottom-Edge Border Reference Pixels (DN)

Uncalibrated, four-pixel border reference pixel cube from the bottom-edge of the detector in the science frame orientation. In the L1 uncal file data array, these are pixels (z, y, x) = [:, :4, :] in a zero-indexed system.
dq_border_ref_pix_left
tag:stsci.edu:asdf/core/ndarray-1.* Required
Left-Edge Border Reference Pixel Data Quality (DN)

Bitwise sum of data quality flags for the four-pixel border reference pixel cube from the left-edge of the detector in the science frame orientation. In the L1 uncal file data array, these are pixels (z, y, x) = [:, :, :4] in a zero-indexed system.
dq_border_ref_pix_right
tag:stsci.edu:asdf/core/ndarray-1.* Required
Right-Edge Border Reference Pixel Data Quality (DN)

Bitwise sum of data quality flags for the four-pixel border reference pixel cube from the right-edge of the detector in the science frame orientation. In the L1 uncal file data array, these are pixels (z, y, x) = [:, :, 4092:] in a zero-indexed system.
dq_border_ref_pix_top
tag:stsci.edu:asdf/core/ndarray-1.* Required
Border Reference Pixel Data Quality on the Top of the Detector (DN)

Bitwise sum of data quality flags for the four-pixel border reference pixel cube from the top-edge of the detector in the science frame orientation. In the L1 uncal file data array, these are pixels (z, y, x) = [:, 4092:, :] in a zero-indexed system.
dq_border_ref_pix_bottom
tag:stsci.edu:asdf/core/ndarray-1.* Required
Bottom-Edge Border Reference Pixel Data Quality (DN)

Bitwise sum of data quality flags for the four-pixel border reference pixel cube from the bottom-edge of the detector in the science frame orientation. In the L1 uncal file data array, these are pixels (z, y, x) = [:, :4, :] in a zero-indexed system.

Original Schema ¶

%YAML 1.1
---
$schema: asdf://stsci.edu/datamodels/roman/schemas/rad_schema-1.0.0
id: asdf://stsci.edu/datamodels/roman/schemas/wfi_image-1.4.0

title: Level 2 (L2) Calibrated Roman Wide Field Instrument (WFI) Rate Image.

datamodel_name: ImageModel
archive_meta: Science WFI Level 2

type: object
properties:
  meta:
    allOf:
      - $ref: asdf://stsci.edu/datamodels/roman/schemas/meta/common-1.0.0
      - type: object
        properties:
          background:
            $ref: asdf://stsci.edu/datamodels/roman/schemas/meta/sky_background-1.0.0
          cal_logs:
            $ref: asdf://stsci.edu/datamodels/roman/schemas/meta/cal_logs-1.0.0
          cal_step:
            $ref: asdf://stsci.edu/datamodels/roman/schemas/meta/l2_cal_step-1.0.0
          outlier_detection:
            $ref: asdf://stsci.edu/datamodels/roman/schemas/meta/outlier_detection-1.0.0
          photometry:
            $ref: asdf://stsci.edu/datamodels/roman/schemas/meta/photometry-1.0.0
          source_catalog:
            $ref: asdf://stsci.edu/datamodels/roman/schemas/meta/source_catalog-1.0.0
          statistics:
            $ref: asdf://stsci.edu/datamodels/roman/schemas/meta/statistics-1.0.0
          wcs:
            title: WCS object
            anyOf:
              - tag: tag:stsci.edu:gwcs/wcs-*
              - type: "null"

        required: [photometry, wcs]
  data:
    title: Science Data (DN/s) or (MJy/sr)
    description: |
      Calibrated science rate image in units of data numbers
      per second (DN/s) or megaJanskys per steradian (MJy/sr).
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: float32
    exact_datatype: true
    ndim: 2
    unit: ["DN / s", "MJy.sr**-1"]
  dq:
    title: Data Quality
    description: |
      Bitwise sum of data quality flags.
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: uint32
    exact_datatype: true
    ndim: 2
  err:
    title: Error (DN / s) or (MJy / sr)
    description: |
      Total error array in units of data numbers per second
      (DN/s) or megaJanskys per steradian (MJy/sr).
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: float32
    exact_datatype: true
    ndim: 2
    unit: ["DN / s", "MJy.sr**-1"]
  var_poisson:
    title: Poisson Variance (DN^2/s^2) or (MJy^2/sr^2)
    description: |
      Component of the per pixel variance due to Poisson
      noise in units of data numbers squared per second squared
      (DN^2/s^2) or megaJanskys squared per square steradian
      (MJy^2/sr^2).
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: float32
    exact_datatype: true
    ndim: 2
    unit: ["DN2 / s2", "MJy**2.sr**-2"]
  var_rnoise:
    title: Read Noise Variance (DN^2/s^2) or (MJy^2/sr^2)
    description: |
      Component of the per pixel variance due to detector
      read noise in units of data numbers squared per second squared
      (DN^2/s^2) or megaJanskys squared per square steradian
      (MJy^2/sr^2).
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: float32
    exact_datatype: true
    ndim: 2
    unit: ["DN2 / s2", "MJy**2.sr**-2"]
  var_flat:
    title: Flat Field Variance (DN^2/s^2) or (MJy^2/sr^2)
    description: |
      Component of the per pixel variance due to the flat
      field in units of data numbers squared per second squared
      (DN^2/s^2) or megaJanskys squared per square steradian
      (MJy^2/sr^2).
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: float32
    exact_datatype: true
    ndim: 2
    unit: ["DN2 / s2", "MJy**2.sr**-2"]
  amp33:
    title: Amplifier 33 Reference Pixel Data (DN)
    description: |
      Reference pixel data from amplifier 33 in units of
      data numbers (DN).
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: uint16
    exact_datatype: true
    ndim: 3
    unit: "DN"
  border_ref_pix_left:
    title: Left-Edge Border Reference Pixels (DN)
    description: |
      Uncalibrated, four-pixel border reference pixel cube
      from the left-edge of the detector in the science frame
      orientation. In the L1 uncal file data array, these are pixels
      (z, y, x) = [:, :, :4] in a zero-indexed system.
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: float32
    exact_datatype: true
    ndim: 3
    unit: "DN"
  border_ref_pix_right:
    title: Right-Edge Border Reference Pixels (DN)
    description: |
      Uncalibrated, four-pixel border reference pixel cube
      from the right-edge of the detector in the science frame
      orientation. In the L1 uncal file data array, these are pixels
      (z, y, x) = [:, :, 4092:] in a zero-indexed system.
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: float32
    exact_datatype: true
    ndim: 3
    unit: "DN"
  border_ref_pix_top:
    title: Border Reference Pixels on the Top of the Detector (DN)
    description: |
      Border reference pixels on the top of the detector in units of DN.
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: float32
    exact_datatype: true
    ndim: 3
    unit: "DN"
  border_ref_pix_bottom:
    title: Bottom-Edge Border Reference Pixels (DN)
    description: |
      Uncalibrated, four-pixel border reference pixel cube
      from the bottom-edge of the detector in the science frame
      orientation. In the L1 uncal file data array, these are pixels
      (z, y, x) = [:, :4, :] in a zero-indexed system.
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: float32
    exact_datatype: true
    ndim: 3
    unit: "DN"
  dq_border_ref_pix_left:
    title: Left-Edge Border Reference Pixel Data Quality (DN)
    description: |
      Bitwise sum of data quality flags for the four-pixel
      border reference pixel cube from the left-edge of the detector
      in the science frame orientation. In the L1 uncal file data
      array, these are pixels (z, y, x) = [:, :, :4] in a zero-indexed
      system.
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: uint32
    exact_datatype: true
    ndim: 2
  dq_border_ref_pix_right:
    title: Right-Edge Border Reference Pixel Data Quality (DN)
    description: |
      Bitwise sum of data quality flags for the four-pixel
      border reference pixel cube from the right-edge of the detector
      in the science frame orientation. In the L1 uncal file data
      array, these are pixels (z, y, x) = [:, :, 4092:] in a
      zero-indexed system.
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: uint32
    exact_datatype: true
    ndim: 2
  dq_border_ref_pix_top:
    title: Border Reference Pixel Data Quality on the Top of the Detector (DN)
    description: |
      Bitwise sum of data quality flags for the four-pixel
      border reference pixel cube from the top-edge of the detector in
      the science frame orientation. In the L1 uncal file data array,
      these are pixels (z, y, x) = [:, 4092:, :] in a zero-indexed
      system.
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: uint32
    exact_datatype: true
    ndim: 2
  dq_border_ref_pix_bottom:
    title: Bottom-Edge Border Reference Pixel Data Quality (DN)
    description: |
      Bitwise sum of data quality flags for the four-pixel
      border reference pixel cube from the bottom-edge of the detector
      in the science frame orientation. In the L1 uncal file data
      array, these are pixels (z, y, x) = [:, :4, :] in a zero-indexed
      system.
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    datatype: uint32
    exact_datatype: true
    ndim: 2
propertyOrder:
  [
    meta,
    data,
    dq,
    err,
    var_poisson,
    var_rnoise,
    var_flat,
    amp33,
    border_ref_pix_left,
    border_ref_pix_right,
    border_ref_pix_top,
    border_ref_pix_bottom,
    dq_border_ref_pix_left,
    dq_border_ref_pix_right,
    dq_border_ref_pix_top,
    dq_border_ref_pix_bottom,
  ]
flowStyle: block
required:
  [
    meta,
    data,
    dq,
    err,
    var_poisson,
    var_rnoise,
    amp33,
    border_ref_pix_left,
    border_ref_pix_right,
    border_ref_pix_top,
    border_ref_pix_bottom,
    dq_border_ref_pix_left,
    dq_border_ref_pix_right,
    dq_border_ref_pix_top,
    dq_border_ref_pix_bottom,
  ]