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

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
flat_field
string Required
No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
dark
string Required
Step in ROMANCAL performing the dark current correction by subtracting dark current reference data from science data.

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
dq_init
string Required
Step in ROMANCAL in which the pixeldq attribute of the input data model using the MASK reference file is initialized.

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
flux
string Required
Step in ROMANCAL which applies the scaling factors determined in the Photom calibrations step. The data are converted from DN/s to MJy/sr.

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
jump
string Required
Step in ROMANCAL which performs a search for jumps in values in ramp that may be associated with cosmic rays.

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
linearity
string Required
Step in ROMANCAL which performs a correction for the classical non-linear detector response.

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
photom
string Required
Step in ROMANCAL that adds photometric calibrations to the metadata of a data product.

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
source_detection
string Required
Step in ROMANCAL to detect point sources in an image and catalog them.

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
ramp_fit
string Required
Step in ROMANCAL to fit the counts versus time with a straight line and thus estimate the count rate for each pixel.

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
refpix
string Required
Step in ROMANCAL that corrects for additional signal from electronics contributing to (e.g. 1/f noise) using the reference pixels.

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
saturation
string Required
Step in ROMANCAL which sets pixel flags to label that a pixel is at or above the saturation threshold. As part of this step, pixels that are zero or negative are also flagged.

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
outlier_detection
string Required
Step in ROMANCAL which detects and flags outliers in a science image.

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
tweakreg
string Required
Step in ROMANCAL that compares positions of point-like sources with coordinates from a Gaia catalog, and, if necessary, corrects an image’s World Coordinate System alignment.

No length restriction
Only the following values are valid for this node:
- N/A
- COMPLETE
- SKIPPED
- INCOMPLETE
skymatch
string Required
Step in ROMANCAL that computes sky background values of each input image and derives scalings to equalize overlapping regions.

No length restriction
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 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']
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_assign_wcs]
  flat_field:
    title: Flat Fielding Step
    descroption: |
      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, given its specific response. This is achieved using a
      flatfield reference image.
    type: string
    enum: ['N/A', 'COMPLETE', 'SKIPPED', 'INCOMPLETE']
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_flat_field]
  dark:
    title: Dark Current Subtraction Step
    description: |
      Step in ROMANCAL performing the dark current correction by subtracting
      dark current reference data from science data.
    type: string
    enum: ['N/A', 'COMPLETE', 'SKIPPED', 'INCOMPLETE']
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_dark]
  dq_init:
    title: Initialization of the Data Quality Extension Step
    description: |
      Step in ROMANCAL in which the pixeldq attribute of the input data model
      using the MASK reference file is initialized.
    type: string
    enum: ['N/A', 'COMPLETE', 'SKIPPED', 'INCOMPLETE']
    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']
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_flux]
  jump:
    title: Cosmic Rays and Jump Detection Step
    description: |
      Step in ROMANCAL which performs a search for jumps in values in ramp that
      may be associated with cosmic rays.
    type: string
    enum: ['N/A', 'COMPLETE', 'SKIPPED', 'INCOMPLETE']
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_jump]
  linearity:
    title: Linearity Correction Step
    description: |
      Step in ROMANCAL which performs a correction for the classical non-linear
      detector response.
    type: string
    enum: ['N/A', 'COMPLETE', 'SKIPPED', 'INCOMPLETE']
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_linearity]
  photom:
    title: Photometric Calibration Step
    description: |
      Step in ROMANCAL that adds photometric calibrations to the metadata of a
      data product.
    type: string
    enum: ['N/A', 'COMPLETE', 'SKIPPED', 'INCOMPLETE']
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_photom]
  source_detection:
    title: Source Detection Step
    description: |
      Step in ROMANCAL to detect point sources in an image and catalog them.
    type: string
    enum: ['N/A', 'COMPLETE', 'SKIPPED', 'INCOMPLETE']
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_source_detection]
  ramp_fit:
    title: Ramp Fit Step
    description: |
      Step in ROMANCAL to fit the counts versus time with a straight line and
      thus estimate the count rate for each pixel.
    type: string
    enum: ['N/A', 'COMPLETE', 'SKIPPED', 'INCOMPLETE']
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_ramp_fit]
  refpix:
    title: Reference Pixel Correction Step
    description: |
      Step in ROMANCAL that corrects for additional signal from electronics
      contributing to (e.g. 1/f noise) using the reference pixels.
    type: string
    enum: ['N/A', 'COMPLETE', 'SKIPPED', 'INCOMPLETE']
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_refpix]
  saturation:
    title: Saturation Identification Step
    description: |
      Step in ROMANCAL which sets pixel flags to label that a pixel is at or
      above the saturation threshold. As part of this step, pixels that are zero
      or negative are also flagged.
    type: string
    enum: ['N/A', 'COMPLETE', 'SKIPPED', 'INCOMPLETE']
    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']
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_outlier_detection]
  tweakreg:
    title: Tweakreg step
    description: |
      Step in ROMANCAL that compares positions of point-like sources with
      coordinates from a Gaia catalog, and, if necessary, corrects an image's
      World Coordinate System alignment.
    type: string
    enum: ['N/A', 'COMPLETE', 'SKIPPED', 'INCOMPLETE']
    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']
    archive_catalog:
      datatype: nvarchar(15)
      destination: [ScienceRefData.s_skymatch]
propertyOrder: [assign_wcs, flat_field, flux, dark, dq_init, jump, linearity, photom, source_detection,
                outlier_detection, ramp_fit, refpix, saturation, skymatch, tweakreg]
flowStyle: block
required: [assign_wcs, flat_field, flux, dark, dq_init, jump, linearity, outlier_detection, photom,
           source_detection, ramp_fit, refpix, saturation, skymatch, tweakreg]
additionalProperties: true
...