wfi_image-1.3.0

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/common-1.3.0
- This type is an object with the following properties:
  
  background
  asdf://stsci.edu/datamodels/roman/tags/sky_background-1.0.0
  cal_logs
  asdf://stsci.edu/datamodels/roman/tags/cal_logs-1.0.0
  cal_step
  asdf://stsci.edu/datamodels/roman/tags/l2_cal_step-1.2.0
  outlier_detection
  asdf://stsci.edu/datamodels/roman/tags/outlier_detection-1.0.0
  photometry
  asdf://stsci.edu/datamodels/roman/tags/photometry-1.0.0 Required
  source_catalog
  asdf://stsci.edu/datamodels/roman/tags/source_catalog-1.0.0
  statistics
  asdf://stsci.edu/datamodels/roman/tags/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.
reset_read
tag:stsci.edu:asdf/core/ndarray-1.*
Reset Read (DN)

Reset read in units of data numbers (DNs) subtracted from subsequent reads up-the-ramp. This array is only present if a reset read was used and downlinked.
reset_amp33
tag:stsci.edu:asdf/core/ndarray-1.*
Amplifier 33 Reference Pixel Data for the Reset Read (DN)

Reference pixel data from amplifier 33 in units of data numbers (DNs) for the reset read. This array is only present if a reset read was used and downlinked.

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-1.3.0

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

datamodel_name: ImageModel
archive_meta: None

type: object
properties:
  meta:
    allOf:
      - $ref: asdf://stsci.edu/datamodels/roman/schemas/common-1.3.0
      - type: object
        properties:
          background:
            tag: asdf://stsci.edu/datamodels/roman/tags/sky_background-1.0.0
          cal_logs:
            tag: asdf://stsci.edu/datamodels/roman/tags/cal_logs-1.0.0
          cal_step:
            tag: asdf://stsci.edu/datamodels/roman/tags/l2_cal_step-1.2.0
          outlier_detection:
            tag: asdf://stsci.edu/datamodels/roman/tags/outlier_detection-1.0.0
          photometry:
            tag: asdf://stsci.edu/datamodels/roman/tags/photometry-1.0.0
          source_catalog:
            tag: asdf://stsci.edu/datamodels/roman/tags/source_catalog-1.0.0
          statistics:
            tag: asdf://stsci.edu/datamodels/roman/tags/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

  reset_read:
    title: Reset Read (DN)
    description: |
      Reset read in units of data numbers (DNs) subtracted
      from subsequent reads up-the-ramp. This array is only present
      if a reset read was used and downlinked.
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    ndim: 2
    datatype: uint16
    unit: "DN"
    exact_datatype: true
  reset_amp33:
    title: Amplifier 33 Reference Pixel Data for the Reset Read (DN)
    description: |
      Reference pixel data from amplifier 33 in units of data numbers (DNs)
      for the reset read. This array is only present if a reset
      read was used and downlinked.
    tag: tag:stsci.edu:asdf/core/ndarray-1.*
    ndim: 2
    datatype: uint16
    unit: "DN"
    exact_datatype: true
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,
    reset_read,
    reset_amp33,
  ]
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,
  ]