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arXiv · 2606.23928

JWST NIRSpec Spectral Standards for M, L, and T Dwarfs and Subdwarfs

Evan Pritchard·Marylin Loritsch·Julia Haynes·Sara Morrissey·Emma Softich·Adam Burgasser
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Abstract

We present low resolution infrared spectral standards in the 0.76 to 5.0 μm range based on JWST NIRspec Prism data from deep sky surveys. Our standards encompass spectral types M, L, and T and dwarf and subdwarf metallicity classes. The standards extend ground based spectral templates and enable classification of low temperature stellar substellar discoveries from deep JWST NIRSpec data.

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Evan Pritchard, Marylin Loritsch, Julia Haynes, Sara Morrissey, Emma Softich, Adam Burgasser. 2026-06-22. JWST NIRSpec Spectral Standards for M, L, and T Dwarfs and Subdwarfs. https://doi.org/10.3847/2515-5172%2Fae736f

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