Discovery Method
Transit
Consistent across records
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ExoplanetDetail
WASP-1 b
Host star WASP-1 • 16.62 R⊕ • 2.52 d orbit
Records
13
archive rows
Discovery
2007
Transit
Radius
16.62 R⊕
default parameter set
Mass
271.4 M⊕
default parameter set
WASP-1
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: Maciejewski et al. 2014
Host Star
WASP-1
Stable across source rows
Discovery Year
2007
Stable across source rows
Orbital Period
2.52 day
2.52 to 2.52
Semi-Major Axis
0.04 au
0.04 to 0.04
Radius
16.62 Rearth
16.24 to 21.63
Mass
271.4 Mearth
251.1 to 311.5
Density
0.35 g/cm**3
0.33 to 0.37
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 16.62 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
WASP-1 b
16.62 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
13
Refs
13
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 | 2.52 day | — | — | — | Kokori et al. 2023 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.52 day | — | — | — | Ivshina & Winn 2022 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.52 day | 16.97 Rearth | 301.3 Mearth | — | Bonomo et al. 2017 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.52 day | 17.70 Rearth | — | 1730.9 K | ExoFOP |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.52 day | 21.63 Rearth | 282.9 Mearth | — | Collier Cameron et al. 2007 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.52 day | 16.97 Rearth | 292 Mearth | — | Simpson et al. 2011 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | — | — | 251.1 Mearth | — | Knutson et al. 2014 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.52 day | 16.24 Rearth | 268.9 Mearth | 1812 K | Turner et al. 2016 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.52 day | 16.74 Rearth | 311.5 Mearth | 1830 K | Southworth 2012 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.52 day | 16.62 Rearth | 271.4 Mearth | — | Maciejewski et al. 2014 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.52 day | 16.63 Rearth | 273.3 Mearth | 1800 K | Southworth 2010 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.52 day | — | — | — | Kokori et al. 2022 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.52 day | 16.97 Rearth | 291.8 Mearth | 1811 K | Torres et al. 2008 |