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Böker, T.; Arribas, S.; Lützgendorf, N.; Alves de Oliveira, C.; Beck, T. L.; Birkmann, S.; Bunker, A. J.; Charlot, S.; de Marchi, G.; Ferruit, P.; Giardino, G.; Jakobsen, P.; Kumari, N.; López-Caniego, M.; Maiolino, R.; Manjavacas, E.; Marston, A.; Moseley, S. H.; Muzerolle, J.; Ogle, P.; Pirzkal, N.; Rauscher, B.; Rawle, T.; Rix, H.-W.; Sabbi, E.; Sargent, B.; Sirianni, M.; te Plate, M.; Valenti, J.; Willott, C. J.; Zeidler, P.
Astronomy and astrophysics (Berlin), 05/2022, Letnik: 661Journal Article
The near-infrared spectrograph (NIRSpec) on the James Webb Space Telescope (JWST) offers the first opportunity to use integral-field spectroscopy from space at near-infrared wavelengths. More specifically, NIRSpec’s integral-field unit can obtain spectra covering the wavelength range 0.6−5.3 μm for a contiguous 3.1″ × 3.2″ sky area at spectral resolutions of R ≈ 100, 1000, and 2700. In this paper we describe the optical and mechanical design of the NIRSpec integral-field spectroscopy mode, together with its expected performance. We also discuss a few recommended observing strategies, some of which are driven by the fact that NIRSpec is a multipurpose instrument with a number of different observing modes, which are discussed in companion papers. We briefly discuss the data processing steps required to produce wavelength- and flux-calibrated data cubes that contain the spatial and spectral information. Lastly, we mention a few scientific topics that are bound to benefit from this highly innovative capability offered by JWST/NIRSpec.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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