Helium confirmed in atmospheres of exoplanets HAT-P-11 b, HD189733 b, and WASP-69 b

10. 7. 2023 (accepted)

Upper limits set for 8 more planets using Canada France Hawaii Telescope.

Scientific study

Homogeneous search for helium in the atmosphere of 11 gas giant exoplanets with SPIRou external link

Share this discovery

Relevant stars in the catalog

AU Microscopii	0.5 M☉	31.7 ly
Gliese 1214	0.18 M☉	47.8 ly
HD 189733	0.81 M☉	64.5 ly
Gliese 3470	0.51 M☉	96 ly
HAT-P-11	0.8 M☉	124 ly
WASP 80	0.58 M☉	162 ly
WASP-69	0.83 M☉	164 ly
WASP 11	0.81 M☉	424 ly
BD-03 2978	0.95 M☉	523 ly
WASP-52	0.87 M☉	570 ly
WASP-39	0.91 M☉	702 ly

Helium confirmed in atmospheres of exoplanets HAT-P-11 b, HD189733 b, and WASP-69 b

Get your next news from nearby stars

This is a new project, and partly still in development. There will be soon more information and functions. We would love your support on social media.

Living Future: Nearby stars

Visit profile on X Follow @LIVINGfUTUREcz