l2_cal_step-1.0.0

Level 2 Calibration Status

Outline

Schema Definitions
Original Schema

Schema Definitions ¶

This type is an object with the following properties:

assign_wcs
string Required
Assign World Coordinate System (WCS) Step

Step in romancal that assigns a World Coordinate System (WCS) object to a science image.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
flat_field
string Required
Flat Field Correction Step

Step in romancal in which a science image is flat-fielded, whereby each detector pixel is calibrated to give the same signal for the same illumination based on the pixel response.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
dark
string Required
Dark Current Subtraction Step

Step in romancal that performs a correction for the dark current by subtracting the dark reference data from the science data.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
dq_init
string Required
Data Quality Initialization Step

Step in romancal that initializes the data quality array and masks known bad pixels.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
flux
string Required
Flux Scale Application Step

Step in ROMANCAL which applies the scaling factors determined in the Photom calibrations step. The data are converted from DN/s to MJy/sr.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
linearity
string Required
Classical Linearity Correction Step

Step in romancal that linearizes the ramp data to correct for deviations from a linear response.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
photom
string Required
Populate Photometric Keywords Step

Step in romancal that populates photometric calibration information in the metadata of the science file.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
source_catalog
string Required
Source Catalog Step

Step in romancal that detects point sources in an image for use in astrometric alignment.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
ramp_fit
string Required
Ramp Fitting Step

Step in romancal that fits a slope to each pixel to compute the count rate.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
refpix
string Required
Reference Pixel Correction Step

Step in romancal that corrects science pixels for additional signal from the readout electronics (e.g., 1/f noise) using the reference pixels.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
saturation
string Required
Saturation Identification Step

Step in romancal that sets data quality flags for pixels at or above the saturation threshold.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
outlier_detection
string Required
Outlier Detection Step

Step in ROMANCAL which detects and flags outliers in a science image.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
tweakreg
string Required
Tweakreg step

Step in romancal that compares the positions of point sources in the image with coordinates from an astrometric catalog and, if necessary, corrects the World Coordinate System (WCS) alignment.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
skymatch
string Required
Sky Matching for Combining Overlapping Images Step

Step in ROMANCAL that computes sky background values of each input image and derives scalings to equalize overlapping regions.

Maximum length: 15
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE

Original Schema ¶

%YAML 1.1
---
$schema: asdf://stsci.edu/datamodels/roman/schemas/rad_schema-1.0.0
id: asdf://stsci.edu/datamodels/roman/schemas/l2_cal_step-1.0.0

title: Level 2 Calibration Status
type: object
properties:
  assign_wcs:
    title: Assign World Coordinate System (WCS) Step
    description: |
      Step in romancal that assigns a World Coordinate
      System (WCS) object to a science image.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_assign_wcs]
  flat_field:
    title: Flat Field Correction Step
    description: |
      Step in romancal in which a science image is
      flat-fielded, whereby each detector pixel is calibrated to give
      the same signal for the same illumination based on the pixel
      response.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_flat_field]
  dark:
    title: Dark Current Subtraction Step
    description: |
      Step in romancal that performs a correction for the
      dark current by subtracting the dark reference data from the
      science data.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_dark]
  dq_init:
    title: Data Quality Initialization Step
    description: |
      Step in romancal that initializes the data quality
      array and masks known bad pixels.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_dq_init]
  flux:
    title: Flux Scale Application Step
    description: |
      Step in ROMANCAL which applies the scaling factors determined in the Photom calibrations step.
      The data are converted from DN/s to MJy/sr.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_flux]
  linearity:
    title: Classical Linearity Correction Step
    description: |
      Step in romancal that linearizes the ramp data to
      correct for deviations from a linear response.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_linearity]
  photom:
    title: Populate Photometric Keywords Step
    description: |
      Step in romancal that populates photometric
      calibration information in the metadata of the science file.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_photom]
  source_catalog:
    title: Source Catalog Step
    description: |
      Step in romancal that detects point sources in an
      image for use in astrometric alignment.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_source_catalog]
  ramp_fit:
    title: Ramp Fitting Step
    description: |
      Step in romancal that fits a slope to each pixel to
      compute the count rate.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_ramp_fit]
  refpix:
    title: Reference Pixel Correction Step
    description: |
      Step in romancal that corrects science pixels for
      additional signal from the readout electronics (e.g., 1/f noise)
      using the reference pixels.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_refpix]
  saturation:
    title: Saturation Identification Step
    description: |
      Step in romancal that sets data quality flags for
      pixels at or above the saturation threshold.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_saturation]
  outlier_detection:
    title: Outlier Detection Step
    description: |
      Step in ROMANCAL which detects and flags outliers in a science image.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_outlier_detection]
  tweakreg:
    title: Tweakreg step
    description: |
      Step in romancal that compares the positions of point
      sources in the image with coordinates from an astrometric
      catalog and, if necessary, corrects the World Coordinate System
      (WCS) alignment.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_tweakreg]
  skymatch:
    title: Sky Matching for Combining Overlapping Images Step
    description: |
      Step in ROMANCAL that computes sky background values of each input image
      and derives scalings to equalize overlapping regions.
    type: string
    enum: ["N/A", "COMPLETE", "SKIPPED", "INCOMPLETE"]
    maxLength: 15
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_skymatch]
propertyOrder:
  [
    dq_init,
    saturation,
    refpix,
    linearity,
    dark,
    ramp_fit,
    assign_wcs,
    flat_field,
    photom,
    source_catalog,
    tweakreg,
    flux,
    skymatch,
    outlier_detection,
  ]
flowStyle: block
required:
  [
    assign_wcs,
    dark,
    dq_init,
    flat_field,
    flux,
    linearity,
    outlier_detection,
    photom,
    source_catalog,
    ramp_fit,
    refpix,
    saturation,
    skymatch,
    tweakreg,
  ]
additionalProperties: true