l2_cal_step-1.1.0
Level 2 Calibration Status
Outline
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
FAILED
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
FAILED
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
FAILED
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
FAILED
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
FAILED
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
FAILED
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
FAILED
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
FAILED
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
FAILED
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
FAILED
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
FAILED
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
FAILED
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
FAILED
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
FAILED
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-1.1.0
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", "FAILED", "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", "FAILED", "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", "FAILED", "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", "FAILED", "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", "FAILED", "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", "FAILED", "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", "FAILED", "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", "FAILED", "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", "FAILED", "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", "FAILED", "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", "FAILED", "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", "FAILED", "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", "FAILED", "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", "FAILED", "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