Cover Image

Possible stratospheric emission in the warm Neptune GJ 436 b from high-resolution spectroscopy

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Finnerty, Luke, Fitzgerald, Michael P, Xuan, Jerry W, Echeverri, Daniel, Jovanovic, Nemanja, Mawet, Dimitri, Blake, Geoffrey A, Baker, Ashley, Bartos, Randall, Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppmann, Greg, Horstman, Katelyn, Hsu, Chih-Chun, Inglis, Julie, Liberman, Joshua, López, Ronald A, Morris, Evan, Pezzato-Rovner, Jacklyn, Ruffio, Jean-Baptiste, Sappey, Ben, Schofield, Tobias, Skemer, Andrew, Wallace, J. Kent, Wallack, Nicole L, Wang, Jason J, Wang, Ji, Xin, Yinzi
Format:	Preprint
Published:	2026
Subjects:	Earth and Planetary Astrophysics
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Similar Items

The watery atmosphere of HD~209458~b revealed by joint $K$- and $L$-band high-resolution spectroscopy
by: Finnerty, Luke, et al.
Published: (2025)

The high-contrast performance of the Keck Planet Imager and Characterizer
by: Wang, Jason J., et al.
Published: (2024)

Chemical and Isotopic Homogeneity Between the L Dwarf CD-35 2722 B and its Early M Host Star
by: Wang, Gavin, et al.
Published: (2025)

Water dissociation and rotational broadening in the atmosphere of KELT-20 b from high-resolution spectroscopy
by: Finnerty, Luke, et al.
Published: (2025)

Rotation and Abundances of the Benchmark Brown Dwarf HD 33632 Ab from Keck/KPIC High-resolution Spectroscopy
by: Hsu, Chih-Chun, et al.
Published: (2024)

PDS 70b Shows Stellar-like Carbon-to-oxygen Ratio
by: Hsu, Chih-Chun, et al.
Published: (2024)

True mass and atmospheric composition of the non-transiting hot Jupiter HD 143105 b
by: Finnerty, Luke, et al.
Published: (2024)

Distinct Rotational Evolution of Giant Planets and Brown Dwarf Companions
by: Hsu, Chih-Chun, et al.
Published: (2026)

Atmospheric characterization of the super-Jupiter HIP 99770 b with KPIC
by: Zhang, Yapeng, et al.
Published: (2024)

Are these planets or brown dwarfs? Broadly solar compositions from high-resolution atmospheric retrievals of ~10-30 $M_\textrm{Jup}$ companions
by: Xuan, Jerry W., et al.
Published: (2024)

Fringing analysis and forward modeling of Keck Planet Imager and Characterizer (KPIC) spectra
by: Horstman, Katelyn A., et al.
Published: (2024)

kappa And b is a fast rotator from KPIC High Resolution Spectroscopy
by: Morris, Evan C., et al.
Published: (2024)

RV measurements of directly imaged brown dwarf GQ Lup B to search for exo-satellites
by: Horstman, Katelyn, et al.
Published: (2024)

Dynamical Architectures of S-type Transiting Planets in Binaries II: A Dichotomy in Orbital Alignment of Small Planets in Close Binary Systems
by: Zhang, Jingwen, et al.
Published: (2025)

Vortex Fiber Nulling for Exoplanet Observations: First Direct Detection of M Dwarf Companions around HIP 21543, HIP 94666, and HIP 50319
by: Echeverri, Daniel, et al.
Published: (2024)

HD 206893 B at High Spectral Resolution with the Keck Planet Imager and Characterizer (KPIC)
by: Sappey, Ben, et al.
Published: (2025)

On-sky speckle nulling through a single-mode fiber with the Keck Planet Imager and Characterizer
by: Xin, Yinzi, et al.
Published: (2023)

Analysis of Angular-Differential Post-Processing Algorithms for Exoplanet Direct Detection with a Photonic Lantern Nuller
by: Goyal, Suvinay, et al.
Published: (2025)

Orbital and Atmospheric Characterization of the 1RXS J034231.8+121622 System Using High-Resolution Spectroscopy Confirms That The Companion is a Low-Mass Star
by: Ó, Clarissa R. Do, et al.
Published: (2024)

The atmosphere of the warm Neptune GJ 436 b probed with ESPRESSO
by: Herrero-Cisneros, E., et al.
Published: (2026)

Fresh view of the hot brown dwarf HD 984 B through high-resolution spectroscopy
by: Costes, J. C., et al.
Published: (2024)

Peering above the clouds of the warm Neptune GJ 436b with CRIRES+
by: Grasser, Natalie, et al.
Published: (2024)

Technical description and performance of the phase II version of the Keck Planet Imager and Characterizer
by: Jovanovic, Nemanja, et al.
Published: (2025)

Observational and Dynamical Constraints on an Unseen Outer Perturber in the GJ 436 Hot Neptune System
by: Im, Haedam, et al.
Published: (2026)

A JWST Panchromatic Thermal Emission Spectrum of the Warm Neptune Archetype GJ 436b
by: Mukherjee, Sagnick, et al.
Published: (2025)

Planet-induced Periodic Modulation of Stellar Activity in GJ~436: Insights into a Warm Neptune's Magnetic Field
by: Revilla, D., et al.
Published: (2026)

Keck Primary Mirror Closed-Loop Segment Control using a Vector-Zernike Wavefront Sensor
by: Salama, Maissa, et al.
Published: (2024)

Simulating the Escaping Atmosphere of GJ 436 b with Two-fluid Magnetohydrodynamic Models
by: Xing, Lei, et al.
Published: (2024)

Mysterious non-detection of HeI (23S) transit absorption of GJ436b
by: Rumenskikh, M. S., et al.
Published: (2024)

Atmospheric abundances and bulk properties of the binary brown dwarf Gliese 229 Bab from JWST/MIRI spectroscopy
by: Xuan, Jerry W., et al.
Published: (2024)

GJ 3090 b: one of the most favourable mini-Neptune for atmospheric characterisation
by: Almenara, J. M., et al.
Published: (2022)

Coherent Imaging with Photonic Lanterns
by: Kim, Yoo Jung, et al.
Published: (2024)

Efficient detection and characterization of exoplanets within the diffraction limit: nulling with a mode-selective photonic lantern
by: Xin, Yinzi, et al.
Published: (2022)

Tighter constraints on the atmosphere of GJ 436 b from combined high-resolution CARMENES and CRIRES$^+$ observations
by: Peláez-Torres, A., et al.
Published: (2025)

Sulfur Dioxide and Other Molecular Species in the Atmosphere of the Sub-Neptune GJ 3470 b
by: Beatty, Thomas G., et al.
Published: (2024)

On the Potential of Spectroastrometry with Photonic Lanterns
by: Kim, Yoo Jung, et al.
Published: (2024)

Flares, Rotation, Activity Cycles and a Magnetic Star-Planet Interaction Hypothesis for the Far Ultraviolet Emission of GJ 436
by: Loyd, R. O. Parke, et al.
Published: (2023)

The JADE code. II. Modeling the coupled orbital and atmospheric evolution of GJ 436 b to constrain its migration and companion
by: Attia, M., et al.
Published: (2025)

Characterizing planetary systems with SPIRou: a temperate sub-Neptune exoplanet orbiting the nearby fully-convective star GJ 1289 and a candidate around GJ 3378
by: Moutou, C., et al.
Published: (2024)

GJ 367b is a dark, hot, airless sub-Earth
by: Zhang, Michael, et al.
Published: (2024)