activity
20242026
collaborators

8 papers

astro-ph.EP2026

JWST COMPASS Program: The 3--5m transmission spectrum of LTT 1445 A b

Natasha E. Batalha, Nicole Wallack, Tyler Gordon +16

The search for an atmosphere on the closest rocky M dwarf planet, LTT 1445 A b, has been the subject of intense investigation from both the ground and space. Here, we present the f…

astro-ph.EP2026

JWST COMPASS: A NIRSpec G395H Transmission Spectrum of Radius Valley-Dweller TOI-260 b

Annabella Meech, Peter Gao, Nicole L. Wallack +16

We present a JWST/NIRSpec G395H transmission spectrum of TOI-260 b, a K, planet. The transmission spectrum is derived by com…

astro-ph.EP2026

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

Nicole L. Wallack, Peter Gao, Michael Greklek-McKeon +17

We present the 3-5 m transmission spectrum of HD 15337 c (TOI-402.02), a sub-Neptune (2.526 R, 6.792 M, T656 K) around a K1V star observe…

astro-ph.EP2025

JWST COMPASS: A NIRSpec G395H Transmission Spectrum of the Super-Earth GJ 357 b

Jea Adams Redai, Nicholas Wogan, Nicole L. Wallack +14

We present JWST NIRSpec/G395H transmission spectroscopy observations of GJ 357 b, a warm ( K) super-Earth (, $1.84\ \mathrm{…

astro-ph.EP2025

JWST COMPASS: NIRSpec/G395H Transmission Observations of TOI-776 c, a 2 Rearth M Dwarf Planet

Johanna Teske, Natasha E. Batalha, Nicole L. Wallack +16

The atmospheres of planets between the size of Earth and Neptune at short orbital periods have been under intense scrutiny. Of the ~dozen planets in this regime with atmospheres st…

astro-ph.EP2025

JWST COMPASS: NIRSpec/G395H Transmission Observations of the Super-Earth TOI-776b

Lili Alderson, Sarah E. Moran, Nicole L. Wallack +15

We present two transit observations of the 520K, 1.85R, 4.0M super-Earth TOI-776b with JWST NIRSpec/G395H, resulting in a 2.8-5.2m transmission spectrum…