CRDSGrismConf

class grizli.grismconf.CRDSGrismConf(file='references/jwst/nircam/jwst_nircam_specwcs_0136.asdf', get_photom=True, context='jwst_1123.pmap', **kwargs)[source]

Bases: object

Helper object to replicate grismconf config files from CRDS products

Parameters
filestr

Filename of a CRDS specwcs file

get_photombool

Get sensitivity curves from the photom reference file

contextstr

Explicit CRDS_CONTEXT

Attributes
dmjwst.datamodels.NIRCAMGrismModel

DataModel of the specwcs reference

metadict

Metadata dictionary from jwst.datamodels.NIRCAMGrismModel.meta.instance

dm_orderslist

List of orders from dm.orders

crds_parametersdict

CRDS parameter dictionary from dm.get_crds_parameters()

dispx, dispy, displlist, list, list

Parameter polynomials from the reference datamodel

SENS_datadict

Sensitivity data like {order: (wave_microns, sensitity)}

Attributes Summary

filter

filter_grism

Return combination of blocking filter + dispering element

grism

Return filter for NIRISS, pupil for NIRCAM, filter for HST

instrument

instrument_setup

Return combination of blocking filter, dispering element, (module)

module

orders

String version of orders, like '+1', '+2', '0', '-1'

pupil

Methods Summary

DDISPL(order, x0, y0, t[, dt])

Replicate grismconf.DDISPL

DDISPX(order, x0, y0, t[, dt])

Replicate grismconf.DDISPX

DDISPY(order, x0, y0, t[, dt])

Replicate grismconf.DDISPY

DISPL(order, x0, y0, t)

Replicate grismconf.DISPL

DISPX(order, x0, y0, t)

Replicate grismconf.DISPX

DISPXY(order, x0, y0, t)

Replicate grismconf.DISPXY (combination of DISPX, DISPY)

DISPY(order, x0, y0, t)

Replicate grismconf.DISPY

INVDISPL(order, x0, y0, dx[, t0, from_root])

Inverse DISPL

INVDISPX(order, x0, y0, dx[, t0, from_root])

Inverse DISPX

INVDISPY(order, x0, y0, dx[, t0, from_root])

Inverse DISPY

get_photom([xyt, date, photom_file, verbose])

Load photom reference from CRDS and scale to grismconf / aXe convention

initialize_from_datamodel()

Initialize polynomial objects from a jwst.datamodel

load_new_sensitivity_curve([verbose])

Replace +1 NIRCam sensitivity curves with Nov 10, 2023 updates

Attributes Documentation

filter
filter_grism

Return combination of blocking filter + dispering element

grism

Return filter for NIRISS, pupil for NIRCAM, filter for HST

instrument
instrument_setup

Return combination of blocking filter, dispering element, (module)

module
orders

String version of orders, like ‘+1’, ‘+2’, ‘0’, ‘-1’

pupil

Methods Documentation

DDISPL(order, x0, y0, t, dt=0.01)[source]

Replicate grismconf.DDISPL

DDISPX(order, x0, y0, t, dt=0.01)[source]

Replicate grismconf.DDISPX

DDISPY(order, x0, y0, t, dt=0.01)[source]

Replicate grismconf.DDISPY

DISPL(order, x0, y0, t)[source]

Replicate grismconf.DISPL

DISPX(order, x0, y0, t)[source]

Replicate grismconf.DISPX

DISPXY(order, x0, y0, t)[source]

Replicate grismconf.DISPXY (combination of DISPX, DISPY)

DISPY(order, x0, y0, t)[source]

Replicate grismconf.DISPY

INVDISPL(order, x0, y0, dx, t0=array([-1., -0.97637795, -0.95275591, -0.92913386, -0.90551181, -0.88188976, -0.85826772, -0.83464567, -0.81102362, -0.78740157, -0.76377953, -0.74015748, -0.71653543, -0.69291339, -0.66929134, -0.64566929, -0.62204724, -0.5984252, -0.57480315, -0.5511811, -0.52755906, -0.50393701, -0.48031496, -0.45669291, -0.43307087, -0.40944882, -0.38582677, -0.36220472, -0.33858268, -0.31496063, -0.29133858, -0.26771654, -0.24409449, -0.22047244, -0.19685039, -0.17322835, -0.1496063, -0.12598425, -0.1023622, -0.07874016, -0.05511811, -0.03149606, -0.00787402, 0.01574803, 0.03937008, 0.06299213, 0.08661417, 0.11023622, 0.13385827, 0.15748031, 0.18110236, 0.20472441, 0.22834646, 0.2519685, 0.27559055, 0.2992126, 0.32283465, 0.34645669, 0.37007874, 0.39370079, 0.41732283, 0.44094488, 0.46456693, 0.48818898, 0.51181102, 0.53543307, 0.55905512, 0.58267717, 0.60629921, 0.62992126, 0.65354331, 0.67716535, 0.7007874, 0.72440945, 0.7480315, 0.77165354, 0.79527559, 0.81889764, 0.84251969, 0.86614173, 0.88976378, 0.91338583, 0.93700787, 0.96062992, 0.98425197, 1.00787402, 1.03149606, 1.05511811, 1.07874016, 1.1023622, 1.12598425, 1.1496063, 1.17322835, 1.19685039, 1.22047244, 1.24409449, 1.26771654, 1.29133858, 1.31496063, 1.33858268, 1.36220472, 1.38582677, 1.40944882, 1.43307087, 1.45669291, 1.48031496, 1.50393701, 1.52755906, 1.5511811, 1.57480315, 1.5984252, 1.62204724, 1.64566929, 1.66929134, 1.69291339, 1.71653543, 1.74015748, 1.76377953, 1.78740157, 1.81102362, 1.83464567, 1.85826772, 1.88188976, 1.90551181, 1.92913386, 1.95275591, 1.97637795, 2.]), from_root=False)[source]

Inverse DISPL

INVDISPX(order, x0, y0, dx, t0=array([-1., -0.97637795, -0.95275591, -0.92913386, -0.90551181, -0.88188976, -0.85826772, -0.83464567, -0.81102362, -0.78740157, -0.76377953, -0.74015748, -0.71653543, -0.69291339, -0.66929134, -0.64566929, -0.62204724, -0.5984252, -0.57480315, -0.5511811, -0.52755906, -0.50393701, -0.48031496, -0.45669291, -0.43307087, -0.40944882, -0.38582677, -0.36220472, -0.33858268, -0.31496063, -0.29133858, -0.26771654, -0.24409449, -0.22047244, -0.19685039, -0.17322835, -0.1496063, -0.12598425, -0.1023622, -0.07874016, -0.05511811, -0.03149606, -0.00787402, 0.01574803, 0.03937008, 0.06299213, 0.08661417, 0.11023622, 0.13385827, 0.15748031, 0.18110236, 0.20472441, 0.22834646, 0.2519685, 0.27559055, 0.2992126, 0.32283465, 0.34645669, 0.37007874, 0.39370079, 0.41732283, 0.44094488, 0.46456693, 0.48818898, 0.51181102, 0.53543307, 0.55905512, 0.58267717, 0.60629921, 0.62992126, 0.65354331, 0.67716535, 0.7007874, 0.72440945, 0.7480315, 0.77165354, 0.79527559, 0.81889764, 0.84251969, 0.86614173, 0.88976378, 0.91338583, 0.93700787, 0.96062992, 0.98425197, 1.00787402, 1.03149606, 1.05511811, 1.07874016, 1.1023622, 1.12598425, 1.1496063, 1.17322835, 1.19685039, 1.22047244, 1.24409449, 1.26771654, 1.29133858, 1.31496063, 1.33858268, 1.36220472, 1.38582677, 1.40944882, 1.43307087, 1.45669291, 1.48031496, 1.50393701, 1.52755906, 1.5511811, 1.57480315, 1.5984252, 1.62204724, 1.64566929, 1.66929134, 1.69291339, 1.71653543, 1.74015748, 1.76377953, 1.78740157, 1.81102362, 1.83464567, 1.85826772, 1.88188976, 1.90551181, 1.92913386, 1.95275591, 1.97637795, 2.]), from_root=False)[source]

Inverse DISPX

INVDISPY(order, x0, y0, dx, t0=array([-1., -0.97637795, -0.95275591, -0.92913386, -0.90551181, -0.88188976, -0.85826772, -0.83464567, -0.81102362, -0.78740157, -0.76377953, -0.74015748, -0.71653543, -0.69291339, -0.66929134, -0.64566929, -0.62204724, -0.5984252, -0.57480315, -0.5511811, -0.52755906, -0.50393701, -0.48031496, -0.45669291, -0.43307087, -0.40944882, -0.38582677, -0.36220472, -0.33858268, -0.31496063, -0.29133858, -0.26771654, -0.24409449, -0.22047244, -0.19685039, -0.17322835, -0.1496063, -0.12598425, -0.1023622, -0.07874016, -0.05511811, -0.03149606, -0.00787402, 0.01574803, 0.03937008, 0.06299213, 0.08661417, 0.11023622, 0.13385827, 0.15748031, 0.18110236, 0.20472441, 0.22834646, 0.2519685, 0.27559055, 0.2992126, 0.32283465, 0.34645669, 0.37007874, 0.39370079, 0.41732283, 0.44094488, 0.46456693, 0.48818898, 0.51181102, 0.53543307, 0.55905512, 0.58267717, 0.60629921, 0.62992126, 0.65354331, 0.67716535, 0.7007874, 0.72440945, 0.7480315, 0.77165354, 0.79527559, 0.81889764, 0.84251969, 0.86614173, 0.88976378, 0.91338583, 0.93700787, 0.96062992, 0.98425197, 1.00787402, 1.03149606, 1.05511811, 1.07874016, 1.1023622, 1.12598425, 1.1496063, 1.17322835, 1.19685039, 1.22047244, 1.24409449, 1.26771654, 1.29133858, 1.31496063, 1.33858268, 1.36220472, 1.38582677, 1.40944882, 1.43307087, 1.45669291, 1.48031496, 1.50393701, 1.52755906, 1.5511811, 1.57480315, 1.5984252, 1.62204724, 1.64566929, 1.66929134, 1.69291339, 1.71653543, 1.74015748, 1.76377953, 1.78740157, 1.81102362, 1.83464567, 1.85826772, 1.88188976, 1.90551181, 1.92913386, 1.95275591, 1.97637795, 2.]), from_root=False)[source]

Inverse DISPY

get_photom(xyt=(1024, 1024, 0.5), date=None, photom_file=None, verbose=False, **kwargs)[source]

Load photom reference from CRDS and scale to grismconf / aXe convention

Parameters
xyt(float, float, float)

Coordinate (x0, y0, t) where to evaluate the grism dispersion DLDP

datestr, None

Observation date in ISO format, e.g., ‘2023-01-01 00:00:00’. If not specified, defaults to “now”

photom_filestr

Explicit filename of a CRDS photom reference file

verbosebool

Print status message

Returns
SENS_datadict

Dict of {'order': (wave, sens)}. Also sets SENS_data, SENS_dldp and SENS_xyt attributes.

initialize_from_datamodel()[source]

Initialize polynomial objects from a jwst.datamodel

load_new_sensitivity_curve(verbose=True, **kwargs)[source]

Replace +1 NIRCam sensitivity curves with Nov 10, 2023 updates

Files generated with the calibration data of P330E from program CAL-1538 (K. Gordon)

Download the FITS files from the link below and put them in $GRIZLI/CONF/GRISM_NIRCAM/.

https://s3.amazonaws.com/grizli-v2/JWSTGrism/NircamSensitivity/index.html