The star
The star
OGLE-2017-BLG-1049L
- Type
- star
- Mass
- 0.55 × the Sun
The planets
OGLE-2017-BLG-1049L
OGLE-2017-BLG-1049L b
- Year
- 10.5 years
- Distance from star
- 3.92 AU
- Mass
- 5.5 Jupiters
- Size
- 13 × Earth
- Found
- 2020, microlensing (OGLE)
Masses found by the wobble method are minimums, because the orbit's tilt is unknown. Temperatures are equilibrium estimates for a bare planet, before any atmosphere.
How we know
A lens in space
The system briefly magnified a more distant star; a planet left its own small blip in the brightening.
Sources
- Planet and star parameters: NASA Exoplanet Archive, Planetary Systems Composite Parameters, retrieved 1 Nov 2026. This research has made use of the NASA Exoplanet Archive, which is operated by the California Institute of Technology, under contract with NASA under the Exoplanet Exploration Program.
- Position: HYG Database v4.1 (CC BY-SA 4.0).
- Habitable zone: a simple estimate from the star's brightness (√L × 0.95 to 1.67 AU), shown as a guide.