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NIRSpec summary

The JWST Near Infrared Spectrograph (NIRSpec) enables 0.6–5.3 μm spectroscopy at resolving powers of ~100, ~1000, and ~2700 in four observing modes. NIRSpec is designed to be particularly powerful for multiplexing spectroscopy and high contrast, high throughput single object spectroscopy. 

Key science uses of NIRSpec include, but are not limited to: statistical survey spectroscopy for galaxy formation and evolution studies, characterization of stellar populations, spatially resolved spectroscopy of extended targets and characterization of exoplanet atmospheres using transit observations.

The 4 observing modes of NIRSpec are:

More about NIRSpec

JWST Observatory and Instrumentation

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