Discovery Method
Transit
Consistent across records
←Back to Exoplanets
ExoplanetDetail
HATS-40 b
Host star HATS-40 • 17.71 R⊕ • 3.26 d orbit
Records
4
archive rows
Discovery
2018
Transit
Radius
17.71 R⊕
default parameter set
Mass
505.3 M⊕
default parameter set
HATS-40
2101 K equilibrium
Canonical Summary
Adopted planet values from the default parameter set
Values come from the archive's default parameter set. Missing values stay missing. Ranges and counts describe all source rows.
Selected source: Bento et al. 2018
Host Star
HATS-40
Stable across source rows
Discovery Year
2018
Stable across source rows
Orbital Period
3.26 day
3.26 to 3.26
Semi-Major Axis
0.05 au
single adopted value
Radius
17.71 Rearth
15.09 to 17.71
Mass
505.3 Mearth
single adopted value
Density
0.49 g/cm**3
single adopted value
Equilibrium Temperature
2101 K
1912.8 to 2101
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 17.71 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HATS-40 b
17.71 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
4
Refs
4
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massstable
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2018 | Transit | HATSouth | 0.18 m Takahashi Epsilon Astrograph | 3.26 day | 17.71 Rearth | 505.3 Mearth | 2101 K | Bento et al. 2018 |
| 2018 | Transit | HATSouth | 0.18 m Takahashi Epsilon Astrograph | 3.26 day | — | — | — | Patel & Espinoza 2022 |
| 2018 | Transit | HATSouth | 0.18 m Takahashi Epsilon Astrograph | 3.26 day | — | — | — | Kokori et al. 2023 |
| 2018 | Transit | HATSouth | 0.18 m Takahashi Epsilon Astrograph | 3.26 day | 15.09 Rearth | — | 1912.8 K | ExoFOP |