ExoAtmospheres
IAC community database for exoplanet atmospheric observations

 

KELT-17 b

Planet status Confirmed
Planet type UltraHot Jupiter
Period 3.0801716 d
Mass 1.31 MJ 416.318 M⊕
Radius 1.525 RJ 17.08 R⊕
Semi major axis 0.04881 AU
Star name KELT-17
Star distance 210 pc
Star teff 7454 K
Star radius 1.645 R☉
Temperature (calculated) 2087 K
V 9.29 mag
J 8.745 mag
K 8.646 mag
Alternate names
Exoplanet Encyclopaedia

Molecules

FeH: Detection CH4: Upper limit H2O: Upper limit CO: Upper limit CO2: Upper limit HCN: Upper limit TiO: Upper limit OH: Upper limit VO: Upper limit

G-B: High resolution IR

Cross-correlation transmission spectroscopy of ultra-hot Jupiters WASP-189b, HAT-P-57b, KELT-17b, and KELT-21b with GIANO-B

2026, P. Meni-Gallardo, J. Orell-Miquel et al.

Detection of FeH with 5.3 sigma.

He: Upper limit

G-B: High resolution IR

Cross-correlation transmission spectroscopy of ultra-hot Jupiters WASP-189b, HAT-P-57b, KELT-17b, and KELT-21b with GIANO-B

2026, Meni-Gallardo, P., Orell-Miquel, J. et al.

He upper limit of 0.7%

H: Upper limit Fe: Upper limit H2O: Upper limit Featureless spectra: Detection

G-B: High resolution visible

High-resolution transmission spectroscopy study of ultra-hot Jupiters HAT-P-57b, KELT-17b, KELT-21b, KELT-7b, MASCARA-1b, and WASP-189b

2022, Stangret, M., Casasayas-Barris, N. et al.

Tentative signal of Hα. Several non detections in cross-correlation