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JWST COMPASS: NIRSpec/G395H Transmission Observations of the Sub-Neptune HD 15337 c

  • Authors: Nicole L. Wallack, Peter Gao, Michael Greklek-McKeon, Annabella Meech, Artyom Aguichine, Munazza K. Alam, Lili Alderson, Natasha E. Batalha, Natalie M. Batalha, Anna Gagnebin, Tyler A. Gordon, James Kirk, Mercedes López-Morales, Sarah E. Moran, Jea Iyanla Redai, Nicholas Scarsdale, Johanna Teske, Hannah R. Wakeford, Nicholas F. Wogan, Angie Wolfgang

Nicole L. Wallack et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 15.

Mass–radius diagram of planets between 1 and 3.5 R colored by equilibrium temperature. We show planets with published JWST spectra and Rp > 1.7 R as stars with background points from the NASA Exoplanet Archive with measured masses and radii. We show curves of constant composition for an Earth-like planet from L. Zeng et al. (2016), for steam from A. Aguichine et al. (2021) assuming a 600 K planet, and for H2–He from J. J. Fortney et al. (2013) assuming a 600 K planet at an age of 5 Gyr.

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