Discovery Method
Transit
Consistent across records
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ExoplanetDetail
HAT-P-2 b
Host star HAT-P-2 • 5.63 d orbit
Records
17
archive rows
Discovery
2007
Transit
Radius
—
default parameter set
Mass
2739.7 M⊕
default parameter set
HAT-P-2
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: Ment et al. 2018
Host Star
HAT-P-2
Stable across source rows
Discovery Year
2007
Stable across source rows
Orbital Period
5.63 day
5.60 to 5.63
Semi-Major Axis
0.07 au
0.07 to 0.07
Mass
2739.7 Mearth
2739.7 to 3632.8
Provenance
Underlying measurements and references
Evidence Summary
Rows
17
Refs
17
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | 12.97 Rearth | 2888.9 Mearth | 1540 K | Pal et al. 2010 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | — | 2866.8 Mearth | — | de Beurs et al. 2023 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | 11.24 Rearth | 2771.5 Mearth | 1398 K | Torres et al. 2008 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | 13.34 Rearth | 2777.8 Mearth | 1516 K | Southworth 2010 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | 12.97 Rearth | 2765.1 Mearth | — | Bonomo et al. 2017 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | — | — | — | Garai et al. 2017 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | 13.26 Rearth | — | 1372 K | ExoFOP |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | — | — | 3175.1 Mearth | — | Knutson et al. 2014 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | — | 2739.7 Mearth | — | Ment et al. 2018 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | 10.66 Rearth | 2739.7 Mearth | — | Loeillet et al. 2008 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | — | — | — | Patel & Espinoza 2022 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | 11.01 Rearth | 2873.2 Mearth | — | Bakos et al. 2007 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | 13.45 Rearth | 3632.8 Mearth | — | Stassun et al. 2017 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | — | — | — | de Wit et al. 2017 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | — | — | — | Ivshina & Winn 2022 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.63 day | — | — | — | Kokori et al. 2023 |
| 2007 | Transit | HATNet | Canon 200mm f/1.8L | 5.60 day | 12.30 Rearth | 2828.6 Mearth | 1700 K | Salz et al. 2015 |