Dataset Open Access

JWST NIRSpec/MSA trace libraries and detector models

Anna de Graaff

Reference data needed for forward modelling of NIRSpec MSA data, as described in de Graaff et al. 2023 (https://arxiv.org/abs/2308.09742).

This dataset contains a library of traces for each NIRSpec filter/disperser combination, providing a mapping from a microshutter s_{i,j} and wavelength to the position in the detector plane, and includes the rotation angle of the slitlet with respect to the trace in the detector plane.
Other files provide information on the detector, such as the pixel size and the kernels used to model the inter-pixel capacitance.

These data are designed to be used together with the NIRSpec MSA forward modelling code msafit, which is available publicly on github: https://github.com/annadeg/jwst-msafit

Files (1.5 GB)
Name Size
coordinates.fits
md5:3d4605670fb564324efa04dba4188334 		134.2 MB Download
kernel_sca491.txt
md5:9fedc12d4dbd599c7a022f1463ddc610 		63 Bytes Download
kernel_sca492.txt
md5:f421b843c3dd43e945da150ffe26fb58 		63 Bytes Download
properties.txt
md5:b908771643683c3f1dc0a0c971dde41c 		429 Bytes Download
trace_lib_CLEAR_PRISM.fits
md5:baef590d1f785bc04e1fa20072557332 		149.8 MB Download
trace_lib_F070LP_G140H.fits
md5:255504bea61df4bbf1720a6e40d76ef1 		149.8 MB Download
trace_lib_F070LP_G140M.fits
md5:7e6563baaa3b682e576ed20bc3083554 		149.8 MB Download
trace_lib_F100LP_G140H.fits
md5:4b66eebd2546267e15104d76c59ce048 		149.8 MB Download
trace_lib_F100LP_G140M.fits
md5:c9eec5447f5f1b1c20fd6168cfb1369a 		149.8 MB Download
trace_lib_F170LP_G235H.fits
md5:b835c91f1580afd727f4156908846a92 		149.8 MB Download
trace_lib_F170LP_G235M.fits
md5:96291d419a5c18276fa7434b1b8e3c64 		149.8 MB Download
trace_lib_F290LP_G395H.fits
md5:bfd522f797182d0728f76bdee00a7ea7 		149.8 MB Download
trace_lib_F290LP_G395M.fits
md5:850aec1a0ef1ca68f5ff6b7c2eeb823e 		149.8 MB Download
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Publication date:
August 21, 2023
DOI:
10.5281/zenodo.8265895

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Version 0.1 10.5281/zenodo.8265895 Aug 21, 2023
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