ExoAtmospheres
IAC community database for exoplanet atmospheric observations

 

GJ 486 b

Planet status Confirmed
Planet type Warm Super-Earth
Period 1.467119 d
Mass 0.0089 MJ 2.82842 M⊕
Radius 0.1164 RJ 1.30368 R⊕
Semi major axis 0.01734 AU
Star name GJ 486
Star distance 8.0761 pc
Star teff 3340 K
Star radius 0.328 R☉
Temperature (calculated) 700 K
V 11.4 mag
J 7.195 mag
K 6.362 mag
Alternate names
Exoplanet Encyclopaedia

Molecules

Featureless spectra: Detection

G-B: High resolution IR

Searching for Molecular Signatures in 14 Transiting Exoplanets with SPIRou

2026, A. Masson, S. Vinatier et al.

SPIRou cross-correlation observations does not show molecular signals

Dayside Temperature (occultation): 865 K

JWST-MIRI

No Thick Atmosphere on the Terrestrial Exoplanet Gl 486b

2024, Megan Weiner Mansfield, Qiao Xue et al.

Results are compatible with no or thin atmosphere

He: Upper limit

G-B: High resolution IR

Probing atmospheric escape through metastable He I triplet lines in 15 exoplanets observed with SPIRou

2024, A. Masson, S. Vinatier et al.

H2O: Upper limit

JWST-NIRSpec

High Tide or Riptide on the Cosmic Shoreline? A Water-Rich Atmosphere or Stellar Contamination for the Warm Super-Earth GJ~486b from JWST Observations

2023, Sarah E. Moran, Kevin B. Stevenson et al.

A water-Rich Atmosphere or Stellar Contamination ?

Featureless spectra: Detection

G-B: High resolution IR

High-Resolution Transmission Spectroscopy of the Terrestrial Exoplanet GJ 486b

2022, Andrew Ridden-Harper, Stevanus Nugroho et al.