ExoAtmospheres
IAC community database for exoplanet atmospheric observations

VHS 1256-1257 b

Isotopic fractions: Detection	JWST-NIRSpec	Native-resolution retrievals of VHS 1256-1257 b spanning the JWST/NIRSpec wavelength range: Chemical composition of a partially cloudy atmosphere 2026, S. de Regt, N. Whiteford et al.
CO: Detection H2O: Detection NH3: Upper limit CH4: Upper limit Isotopic fractions: Detection	G-B: Low resolution visible	The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. VIII. Molecular Mapping Performance with JWST/MIRI MRS: VHS 1256 b as a case study 2026, Mathilde Mâlin, Anthony Boccaletti et al.
Isotopic fractions: Detection CO: Detection	JWST-NIRSpec	JWST measurements of $^{13}$C, $^{18}$O and $^{17}$O in the atmosphere of super-Jupiter VHS 1256 b 2023, Siddharth Gandhi, Sam de Regt et al.
CH4: Detection Na: Detection H2O: Detection K: Detection Si: Detection	JWST-MIRI	The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems II: A 1 to 20 Micron Spectrum of the Planetary-Mass Companion VHS 1256-1257 b 2022, Brittany E. Miles, Beth A. Biller et al.