论文标题
James Webb太空望远镜III上的近红外光谱仪（NIRSPEC）。整体场光谱
The Near-Infrared Spectrograph (NIRSpec) on the James Webb Space Telescope III. Integral-field spectroscopy
论文作者
论文摘要
James Webb太空望远镜（JWST）上的近红外光谱仪（NIRSPEC）为使用近红外波长的空间中的整体场光谱法提供了第一个机会。更具体地说，NIRSPEC的整体场单元可以获取覆盖波长范围$ 0.6-5.3〜μ $ m的光谱，连续的3.1 Arcsec $ \ times $ 3.2 Arcsec Sky面积在光谱分辨率$ r \ r \ r \ r \ r \ \ r \ \ r \ \ r \ \ r \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ fsske ake的fecredmose和2700均约为2700。我们还讨论了一些推荐观察策略，其中一些是由NIRSPEC是一种具有多种不同观察模式的多功能工具的驱动，这些仪器在同伴论文中进行了讨论。我们简要讨论生成包含空间和光谱信息的波长和通量校准的数据立方所需的数据处理步骤。最后，我们提到了一些科学主题，这些主题必定会从JWST/NIRSPEC提供的这种高度创新的能力中受益。
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 $0.6 - 5.3~μ$m for a contiguous 3.1 arcsec $\times$ 3.2 arcsec sky area at spectral resolutions of $R \approx 100$, 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.
