Discovery Method
Transit
Consistent across records
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ExoplanetDetail
WASP-4 b
Host star WASP-4 • 15.12 R⊕ • 1.34 d orbit
Records
22
archive rows
Discovery
2007
Transit
Radius
15.12 R⊕
default parameter set
Mass
381.4 M⊕
default parameter set
WASP-4
1653 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: Baştürk et al. 2025
Host Star
WASP-4
Stable across source rows
Discovery Year
2007
Stable across source rows
Orbital Period
1.34 day
1.34 to 1.34
Semi-Major Axis
0.02 au
0.02 to 0.02
Radius
15.12 Rearth
14.81 to 15.84
Mass
381.4 Mearth
368.4 to 409.7
Density
0.65 g/cm**3
0.61 to 0.77
Equilibrium Temperature
1653 K
1497.5 to 1700
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 15.12 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
WASP-4 b
15.12 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
22
Refs
22
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | — | — | — | Kokori et al. 2023 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 15.84 Rearth | 393.1 Mearth | — | Sanchis-Ojeda et al. 2011 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | — | — | — | Baluev et al. 2015 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | — | — | 368.4 Mearth | — | Knutson et al. 2014 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 15.37 Rearth | 409.7 Mearth | 1662 K | Southworth et al. 2009 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 14.91 Rearth | 375.0 Mearth | — | Stassun et al. 2017 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 14.91 Rearth | 386.5 Mearth | 1664 K | Petrucci et al. 2013 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 15.12 Rearth | 381.4 Mearth | 1653 K | Baştürk et al. 2025 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 15.03 Rearth | 397.3 Mearth | — | Triaud et al. 2010 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | — | — | — | Sodickson & Grunblatt 2025 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 15.21 Rearth | 393.2 Mearth | 1661 K | Southworth 2010 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | — | — | — | Patel & Espinoza 2022 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 14.91 Rearth | 371.9 Mearth | — | Bonomo et al. 2017 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | — | — | — | Winn & Stefánsson 2025 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 15.29 Rearth | 397.0 Mearth | 1673 K | Southworth 2012 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | — | — | — | Ivshina & Winn 2022 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 15.52 Rearth | 380.6 Mearth | — | Baluev et al. 2020 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 14.85 Rearth | — | 1497.5 K | ExoFOP |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | — | — | — | Kokori et al. 2022 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 15.64 Rearth | — | — | Hoyer et al. 2013 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | 14.81 Rearth | 376.9 Mearth | — | Bouma et al. 2019 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.34 day | — | — | 1700 K | Huitson et al. 2017 |