The Near-infrared Imager and Slitless Spectrograph for the James Webb Space Telescope. II. Wide Field Slitless Spectroscopy

@article{Willott2022TheNI,
  title={The Near-infrared Imager and Slitless Spectrograph for the James Webb Space Telescope. II. Wide Field Slitless Spectroscopy},
  author={Chris J. Willott and Ren{\'e} Doyon and Loic Albert and Gabriel B. Brammer and William V. Dixon and Koraljka Mu{\vz}i{\'c} and Swara Ravindranath and Aleks Scholz and Roberto G. Abraham and {\'E}tienne Artigau and Maru{\vs}a Brada{\vc} and Paul Goudfrooij and John B. Hutchings and Kartheik G. Iyer and Ray Jayawardhana and Stephanie M. LaMassa and Nicholas S. Martis and Michael R. Meyer and Takahiro Morishita and Lamiya A. Mowla and Adam Muzzin and Gael Noirot and Camilla Pacifici and Neil Rowlands and Ghassan T. Sarrouh and Marcin Sawicki and Joanna M. Taylor and Kevin Volk and Johannes Zabl},
  journal={Publications of the Astronomical Society of the Pacific},
  year={2022},
  volume={134}
}
  • C. Willott, R. Doyon, J. Zabl
  • Published 1 February 2022
  • Physics
  • Publications of the Astronomical Society of the Pacific
We present the wide field slitless spectroscopy mode of the NIRISS instrument on the James Webb Space Telescope. This mode employs two orthogonal low-resolution (resolving power ≈150) grisms in combination with a set of six blocking filters in the wavelength range 0.8–2.3 μm to provide a spectrum of almost every source across the field-of-view. When combined with the low background, high sensitivity and high spatial resolution afforded by the telescope, this mode will enable unprecedented… 

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