Discovery Method
Imaging
Consistent across records
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ExoplanetDetail
2MASS J0249-0557 c
Host star 2MASS J0249-0557 A • 17.37 R⊕
Records
2
archive rows
Discovery
2018
Imaging
Radius
17.37 R⊕
default parameter set
Mass
3616.9 M⊕
default parameter set
2MASS J0249-0557 A
1723 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: Liu et al. 2026
Host Star
2MASS J0249-0557 A
Stable across source rows
Discovery Year
2018
Stable across source rows
Radius
17.37 Rearth
single adopted value
Mass
3616.9 Mearth
3616.9 to 3686.8
Equilibrium Temperature
1723 K
single adopted value
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 17.37 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
2MASS J0249-0557 c
17.37 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Radiusstable
Massdisputed
Eq. Tempstable
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2018 | Imaging | Mauna Kea Observatory | 3.58 m Canada-France-Hawaii Telescope (CFHT) | — | — | 3686.8 Mearth | — | Dupuy et al. 2018 |
| 2018 | Imaging | Mauna Kea Observatory | 3.58 m Canada-France-Hawaii Telescope (CFHT) | — | 17.37 Rearth | 3616.9 Mearth | 1723 K | Liu et al. 2026 |