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

10. 7. 2023 (accepted)

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

Star system: AU Microscopii | Distance from the Sun: 31.7 light years

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

Generated by LLM, corrected by human

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Stars Exoplanets Planetary atmospheres

Scientific study

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

Stars mentioned

AU Microscopii

M1 Ve, Red dwarf

mass: 0.5 M☉

radius: 0.3 R☉

distance: 31.7 ly

stars in the system: 1

exoplanets: 4

Gliese 1214

M4V, Red dwarf

mass: 0.18 M☉

radius: 0.3 R☉

distance: 47.8 ly

stars in the system: 1

exoplanets: 1

HD 189733 A

K2V C, Orange star

mass: 0.81 M☉

radius: 0.7 R☉

distance: 64.5 ly

stars in the system: 2

exoplanets: 1

Gliese 3470

M1.5Ve, Red dwarf

mass: 0.51 M☉

radius: 0.3 R☉

distance: 95.9 ly

stars in the system: 1

exoplanets: 4

HAT-P-11

K4V, Orange star

mass: 0.8 M☉

radius: 0.7 R☉

distance: 124 ly

stars in the system: 1

exoplanets: 2

WASP 80

K7V, Orange star

mass: 0.58 M☉

radius: 0.7 R☉

distance: 162 ly

stars in the system: 1

exoplanets: 1

WASP-69

K5V, Orange star

mass: 0.83 M☉

radius: 0.7 R☉

distance: 164 ly

stars in the system: 1

exoplanets: 1

WASP-11 A

K3V, Orange star

mass: 0.81 M☉

radius: 0.7 R☉

distance: 424 ly

stars in the system: 2

exoplanets: 1

BD-03 2978

G5 D, Yellow star

mass: 0.95 M☉

radius: 1 R☉

distance: 523 ly

stars in the system: 1

exoplanets: 1

WASP-52

K2, Orange star

mass: 0.87 M☉

radius: 0.7 R☉

distance: 570 ly

stars in the system: 1

exoplanets: 1

WASP-39

G8, Yellow star

mass: 0.91 M☉

radius: 1 R☉

distance: 702 ly

stars in the system: 1

exoplanets: 1

Research for the same star

Browse the latest scientific studies on stars and exoplanets in our galaxy. Stellar Catalog provides access to scientific data from astrophysics and stellar or planetary astronomy. It's a resource for anyone interested in the newest discoveries about what lies beyond our solar system.

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AU Microscopii 31.7 ly		An Inclined, Eccentric Planet and an Inner Debris Disk Could Reproduce AU Mic Structure 1. 8. 2026
AU Microscopii 31.7 ly		Spin-Orbit Geometry of AU Mic b and c from Back-to-Back Transits Observed Contemporaneously with Magellan PFS, LCOGT, and CHEOPS 30. 5. 2026
AU Microscopii 31.7 ly	+2	Unexpected Near-Resonant and Metastable States of Young Multi-Planet Systems 25. 10. 2025
AU Microscopii 31.7 ly		Hard X-ray Contribution in AU Mic Flares and Its Minor Role in Atmospheric Escape 23. 8. 2025
AU Microscopii 31.7 ly		Six-yr SPIRou monitoring of the young planet-host dwarf AU Mic 5. 7. 2025

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Browse the latest scientific studies on stars and exoplanets in our galaxy. Stellar Catalog provides access to scientific data from astrophysics and stellar or planetary astronomy. It's a resource for anyone interested in the newest discoveries about what lies beyond our solar system.

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	WASP-33 378 ly			Identifying deformed exoplanets with JWST and Ariel: A target selection metric for phase curve observations today
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