274 citations · 1.1k across the 26 of their papers we have counts for
26 papers
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…
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…
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 observed…
The Radius Cliff is a Waterfall: Explaining Sub-Neptune Exoplanets with Steam Worlds
Aritra Chakrabarty, Gijs D. Mulders, Artyom Aguichine +1
The demographics of Kepler planets provide a key testbed for models of planet formation and evolution, particularly for explaining the radius valley separating super-Earths and sub…
JWST COMPASS: Insights into the Systematic Noise Properties of NIRSpec/G395H From a Uniform Reanalysis of Seven Transmission Spectra
Tyler A. Gordon, Natalie M. Batalha, Natasha E. Batalha +9
JWST has already observed near-infrared transmission spectra of over a dozen super-Earths and sub-Neptunes. While some observations have allowed astronomers to characterize sub-Nep…
Horizontal and vertical exoplanet thermal structure from a JWST spectroscopic eclipse map
Ryan C. Challener, Megan Weiner Mansfield, Patricio E. Cubillos +33
Highly-irradiated giant exoplanets known as "ultra-hot Jupiters" are anticipated to exhibit large variations of atmospheric temperature and chemistry as a function of longitude, la…
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 (, $1.84\ \mathrm{…
JWST COMPASS: NIRSpec/G395H Transmission Observations of TOI-776 c, a 2 Rearth M Dwarf Planet
Johanna Teske, Natasha E. Batalha, Nicole L. Wallack +16
The atmospheres of planets between the size of Earth and Neptune at short orbital periods have been under intense scrutiny. Of the ~dozen planets in this regime with atmospheres st…
JWST COMPASS: NIRSpec/G395H Transmission Observations of the Super-Earth TOI-776b
Lili Alderson, Sarah E. Moran, Nicole L. Wallack +15
We present two transit observations of the 520K, 1.85R, 4.0M super-Earth TOI-776b with JWST NIRSpec/G395H, resulting in a 2.8-5.2m transmission spectrum.…
Evolution of steam worlds: energetic aspects
Artyom Aguichine, Natalie Batalha, Jonathan J. Fortney +3
Sub-Neptunes occupy an intriguing region of planetary mass-radius space, where theoretical models of interior structure predict that they could be water-rich, where water is in ste…
JWST COMPASS: The first near- to mid-infrared transmission spectrum of the hot super-Earth L 168-9 b
Munazza K. Alam, Peter Gao, Jea Adams Redai +14
We present the first broadband near- to mid-infrared (3-12 microns) transmission spectrum of the highly-irradiated (T_eq = 981 K) M dwarf rocky planet L 168-9 b (TOI-134 b) observe…
Distribution of Europium in The Milky Way Disk; Its Connection to Planetary Habitability and The Source of The R-Process
Evan M. Carrasco, Matthew Shetrone, Francis Nimmo +3
The energy provided in the radioactive decay of thorium (Th) and uranium (U) isotopes, embedded in planetary mantles, sustains geodynamics important for surface habitability such a…
JWST COMPASS: The 3-5 Micron Transmission Spectrum of the Super-Earth L 98-59 c
Nicholas Scarsdale, Nicholas Wogan, Hannah R. Wakeford +14
We present a JWST NIRSpec transmission spectrum of the super-Earth exoplanet L 98-59 c. This small (RR, MR), warm (T$_\textrm{eq…
A Benchmark JWST Near-Infrared Spectrum for the Exoplanet WASP-39b
A. L. Carter, E. M. May, N. Espinoza +77
Observing exoplanets through transmission spectroscopy supplies detailed information on their atmospheric composition, physics, and chemistry. Prior to JWST, these observations wer…
Sulphur dioxide in the mid-infrared transmission spectrum of WASP-39b
Diana Powell, Adina D. Feinstein, Elspeth K. H. Lee +70
The recent inference of sulphur dioxide (SO) in the atmosphere of the hot (1100 K), Saturn-mass exoplanet WASP-39b from near-infrared JWST observations suggests that phot…
JWST COMPASS: A NIRSpec/G395H Transmission Spectrum of the Sub-Neptune TOI-836c
Nicole L. Wallack, Natasha E. Batalha, Lili Alderson +13
Planets between the sizes of Earth and Neptune are the most common in the Galaxy, bridging the gap between the terrestrial and giant planets in our Solar System. Now that we are fi…
JWST COMPASS: NIRSpec/G395H Transmission Observations of the Super-Earth TOI-836b
Lili Alderson, Natasha E. Batalha, Hannah R. Wakeford +13
We present two transit observations of the ~870K, 1.7R super-Earth TOI-836b with JWST NIRSpec/G395H, resulting in a 2.8-5.2m transmission spectrum. Using two different reduc…
Nightside clouds and disequilibrium chemistry on the hot Jupiter WASP-43b
Taylor J. Bell, Nicolas Crouzet, Patricio E. Cubillos +80
Hot Jupiters are among the best-studied exoplanets, but it is still poorly understood how their chemical composition and cloud properties vary with longitude. Theoretical models pr…
Recovering simulated planet and disk signals using SCALES aperture masking
Mackenzie Lach, Steph Sallum, Ravinder Banyal +29
The Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy (SCALES) instrument is a lenslet-based integral field spectrograph that will operate at 2 to 5 microns, imagin…
Simulating medium-spectral-resolution exoplanet characterization with SCALES angular/reference differential imaging
Aditi Desai, Stephanie E. Sallum, Ravinder Banyal +30
SCALES (Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy) is a 2 - 5 micron high-contrast lenslet-based integral field spectrograph (IFS) designed to characterize…
The Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy (SCALES): driving science cases and expected outcomes
Steph Sallum, Andrew Skemer, Deno Stelter +34
The Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy (SCALES) is a m, high-contrast integral field spectrograph (IFS) currently being built for Keck Observa…
Early Release Science of the exoplanet WASP-39b with JWST NIRISS
Adina D. Feinstein, Michael Radica, Luis Welbanks +86
Transmission spectroscopy provides insight into the atmospheric properties and consequently the formation history, physics, and chemistry of transiting exoplanets. However, obtaini…
Early Release Science of the Exoplanet WASP-39b with JWST NIRSpec G395H
Lili Alderson, Hannah R. Wakeford, Munazza K. Alam +89
Measuring the abundances of carbon and oxygen in exoplanet atmospheres is considered a crucial avenue for unlocking the formation and evolution of exoplanetary systems. Access to a…
Photochemically-produced SO in the atmosphere of WASP-39b
Shang-Min Tsai, Elspeth K. H. Lee, Diana Powell +82
Photochemistry is a fundamental process of planetary atmospheres that regulates the atmospheric composition and stability. However, no unambiguous photochemical products have been…