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ExoplanetDetail

WASP-33 b

Host star WASP-33 • 17.86 R⊕ • 1.22 d orbit

Records

11

archive rows

Discovery

2010

Transit

Radius

17.86 R⊕

default parameter set

Mass

665.2 M⊕

default parameter set

WASP-33

2781.7 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: Chakrabarty & Sengupta 2019

Host Star

WASP-33

Stable across source rows

WASP-33

Discovery Method

Transit

Consistent across records

Transit (11)

Discovery Year

2010

Stable across source rows

2010

Orbital Period

1.22 day

1.22 to 1.22

8 values • 8 distinct

Semi-Major Axis

0.02 au

0.02 to 0.03

3 values • 3 distinct

Radius

17.86 Rearth

16.78 to 18.82

5 values • 5 distinct

Mass

665.2 Mearth

371.9 to 1303

4 values • 4 distinct

Density

0.69 g/cm**3

0.69 to 0.86

2 values • 2 distinct

Equilibrium Temperature

2781.7 K

2510.8 to 2781.7

3 values • 3 distinct

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 17.86 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

WASP-33 b

17.86 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

11

Refs

10

Methods

1

Discoverystable

11 values • 1 distinct

Facilitystable

11 values • 1 distinct

Periodstable

8 values • 1 distinct

Radiusdisputed

5 values • 5 distinct

Massdisputed

4 values • 4 distinct

Eq. Tempdisputed

3 values • 3 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2010TransitSuperWASPCanon 200mm f/1.8L————Johnson et al. 2015
2010TransitSuperWASPCanon 200mm f/1.8L————Johnson et al. 2015
2010TransitSuperWASPCanon 200mm f/1.8L1.22 day18.82 Rearth1042.5 Mearth2723 KTurner et al. 2016
2010TransitSuperWASPCanon 200mm f/1.8L1.22 day———von Essen et al. 2014
2010TransitSuperWASPCanon 200mm f/1.8L1.22 day16.78 Rearth1303 Mearth—Collier Cameron et al. 2010
2010TransitSuperWASPCanon 200mm f/1.8L1.22 day17.93 Rearth371.9 Mearth—Stassun et al. 2017
2010TransitSuperWASPCanon 200mm f/1.8L1.22 day17.86 Rearth665.2 Mearth2781.7 KChakrabarty & Sengupta 2019
2010TransitSuperWASPCanon 200mm f/1.8L1.22 day———Zhang et al. 2018
2010TransitSuperWASPCanon 200mm f/1.8L1.22 day18.22 Rearth—2510.8 KExoFOP
2010TransitSuperWASPCanon 200mm f/1.8L1.22 day———Ivshina & Winn 2022
2010TransitSuperWASPCanon 200mm f/1.8L————Watanabe et al. 2022