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The Near-Infrared Spectrograph (NIRSpec) on the James Webb Space Telescope: I. Overview of the instrument and its capabilities
Open accessAbstract
We provide an overview of the design and capabilities of the near-infrared spectrograph (NIRSpec) onboard the James Webb Space Telescope. NIRSpec is designed to be capable of carrying out low-resolution (R = 30−330) prism spectroscopy over the wavelength range 0.6–5.3 μm and higher resolution (R = 500−1340 or R = 1320−3600) grating spectroscopy over 0.7–5.2 μm, both in single-object mode employing any one of five fixed slits, or a 3.1 × 3.2 arcsec 2 integral field unit, or in multiobject mode employing a novel programmable micro-shutter device covering a 3.6 × 3.4 arcmin 2 field of view. The all-reflective optical chain of NIRSpec and the performance of its different components are described, and some of the trade-offs made in designing the instrument are touched upon. The faint-end spectrophotometric sensitivity expected of NIRSpec, as well as its dependency on the energetic particle environment that its two detector arrays are likely to be subjected to in orbit are also discussed.
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Cited by
The GLASS-JWST Early Release Science Program. I. Survey Design and Release Plans
Treu, T., Roberts-Borsani, G., Bradac, M., Brammer, G., Fontana, A., Henry, A., Mason, C., Morishita, T., Pentericci, L., Wang, X., et al. (2022) · The Astrophysical Journal · doi:10.3847/1538-4357/ac8158 · Cited by 270
TDCOSMO: XIX. Measuring stellar velocity dispersion with sub-percent accuracy for cosmography
Knabel, S., Mozumdar, P., Shajib, A. J., Treu, T., Cappellari, M., Spiniello, C., & Birrer, S. (2025) · Astronomy & Astrophysics · doi:10.1051/0004-6361/202554229 · Cited by 14
Metadata
- Authors
- Jakobsen, P., Ferruit, P., Alves de Oliveira, C., Arribas, S., Bagnasco, G., Barho, R., Beck, T. L., Birkmann, S., Böker, T., Bunker, A. J., Charlot, S., de Jong, P., de Marchi, G., Ehrenwinkler, R., Falcolini, M., Fels, R., Franx, M., Franz, D., Funke, M., Giardino, G., Gnata, X., Holota, W., Honnen, K., Jensen, P. L., Jentsch, M., Johnson, T., Jollet, D., Karl, H., Kling, G., Köhler, J., Kolm, M.-G., Kumari, N., Lander, M. E., Lemke, R., López-Caniego, M., Lützgendorf, N., Maiolino, R., Manjavacas, E., Marston, A., Maschmann, M., Maurer, R., Messerschmidt, B., Moseley, S. H., Mosner, P., Mott, D. B., Muzerolle, J., Pirzkal, N., Pittet, J.-F., Plitzke, A., Posselt, W., Rapp, B., Rauscher, B. J., Rawle, T., Rix, H.-W., Rödel, A., Rumler, P., Sabbi, E., Salvignol, J.-C., Schmid, T., Sirianni, M., Smith, C., Strada, P., te Plate, M., Valenti, J., Wettemann, T., Wiehe, T., Wiesmayer, M., Willott, C. J., Wright, R., Zeidler, P., & Zincke, C.
- Venue
- Astronomy & Astrophysics
- Publisher
- EDP Sciences
- Published
- 2022-05
- Volume
- 661
- Pages
- A80
- ISSN
- 0004-6361 (ISSN-L)
- 1432-0746
- OpenAlex
- W4210274399
- Cited by
- 669
- References
- 0
- FWCI
- 60.29
- Type
- journal article
- Language
- en
- Open access
- gold
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- Jakobsen, P., Ferruit, P., Alves de Oliveira, C., Arribas, S., Bagnasco, G., Barho, R., Beck, T. L., Birkmann, S., Böker, T., Bunker, A. J., Charlot, S., de Jong, P., de Marchi, G., Ehrenwinkler, R., Falcolini, M., Fels, R., Franx, M., Franz, D., Funke, M., . . . Zincke, C. (2022). The Near-Infrared Spectrograph (NIRSpec) on the James Webb Space Telescope: I. Overview of the instrument and its capabilities. Astronomy & Astrophysics. https://doi.org/10.1051/0004-6361/202142663
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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