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ExoplanetDetail

WASP-31 b

Host star WASP-31 • 17.36 R⊕ • 3.41 d orbit

Records

10

archive rows

Discovery

2010

Transit

Radius

17.36 R⊕

default parameter set

Mass

151.9 M⊕

default parameter set

WASP-31

temperature unconstrained

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: Anderson et al. 2011

Host Star

WASP-31

Stable across source rows

WASP-31

Discovery Method

Transit

Consistent across records

Transit (10)

Discovery Year

2010

Stable across source rows

2010

Orbital Period

3.41 day

3.40 to 3.41

9 values • 9 distinct

Semi-Major Axis

0.05 au

0.05 to 0.05

3 values • 3 distinct

Radius

17.36 Rearth

17.23 to 17.37

5 values • 5 distinct

Mass

151.9 Mearth

151.9 to 155.4

4 values • 4 distinct

Density

0.17 g/cm**3

0.16 to 0.17

2 values • 2 distinct

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 17.36 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

WASP-31 b

17.36 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

10

Refs

10

Methods

1

Discoverystable

10 values • 1 distinct

Facilitystable

10 values • 1 distinct

Perioddisputed

9 values • 2 distinct

Radiusdisputed

5 values • 4 distinct

Massdisputed

4 values • 3 distinct

Eq. Tempdisputed

3 values • 3 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2010TransitSuperWASPCanon 200mm f/1.8L3.41 day17.23 Rearth151.9 Mearth—Brown et al. 2012
2010TransitSuperWASPCanon 200mm f/1.8L3.41 day17.36 Rearth151.9 Mearth—Anderson et al. 2011
2010TransitSuperWASPCanon 200mm f/1.8L3.41 day———Patel & Espinoza 2022
2010TransitSuperWASPCanon 200mm f/1.8L3.41 day17.29 Rearth—1423.7 KExoFOP
2010TransitSuperWASPCanon 200mm f/1.8L———1575 KBarstow et al. 2017
2010TransitSuperWASPCanon 200mm f/1.8L3.41 day———Kokori et al. 2022
2010TransitSuperWASPCanon 200mm f/1.8L3.41 day———Ivshina & Winn 2022
2010TransitSuperWASPCanon 200mm f/1.8L3.40 day17.37 Rearth152.6 Mearth1580 KSing et al. 2016
2010TransitSuperWASPCanon 200mm f/1.8L3.41 day———Kokori et al. 2023
2010TransitSuperWASPCanon 200mm f/1.8L3.41 day17.36 Rearth155.4 Mearth—Bonomo et al. 2017