WASP-2 Overview
WASP-2
1.06
R⦿
5109.00
K
WASP-2 b
1.081
RJup
WASP-2 B
3523.00
K
- Other Data
- Bibliography 29
- Exoplanet Archive Notes 7
- WASP-2 Nearby Data 4
- WASP-2 B Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| WASP-2 | WASP-2 b | Transit | 2007 | Collier Cameron et al. 2007 | Confirmed Planet |
WASP-2
- This reference contains discussion regarding the stellar multiplicity of this system. (Collier Cameron et al. 2007)
- This reference contains discussion regarding the stellar multiplicity of this system. (Bergfors et al. 2013)
- This reference contains discussion regarding the stellar multiplicity of this system. (Ngo et al. 2015)
- This reference contains discussion regarding the stellar multiplicity of this system. (Bohn et al. 2020)
- This reference contains discussion regarding the stellar multiplicity of this system. (Southworth et al. 2020)
- Stellar mass selected from evolutionary track mass (M_track) in Table 4 (Ghezzi et al. 2010)
- Typographical error in text Section 4. RV amplitude should be in m/s, not km/s. (Southworth et al. 2010)
- RA
- 20h30m54.13s
- Dec
- +06d25m45.59s
- Distance
-
153.242+1.640-1.605pc
- Parallax
- 6.4979500±0.0685615 mas
- Ecliptic Latitude
- 24.54329 deg
- Ecliptic Longitude
- 311.94179 deg
- Galactic Latitude
- -18.71284 deg
- Galactic Longitude
- 50.77372 deg
- Total Proper Motion
- 48.6429449±0.0818487 mas/yr
- Proper Motion (RA)
- 5.935960±0.101114 mas/yr
- Proper Motion (Dec)
- -48.2794000±0.0815225 mas/yr
- Photometry
-
mV11.728±0.034
-
mTESS10.9984±0.0061
-
mJ10.166±0.027
-
mH9.752±0.026
-
mKs9.632±0.024
-
mW19.582±0.022
-
mW29.637±0.021
-
mW39.546±0.038
-
mW48.727±0.428
-
mGaia11.563800±0.001019
-
mB12.692±0.041
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.13±0.07 dex
-
[C/H] 0.05±0.02 dex
-
[O/H] -0.01±0.05 dex
-
[Na/H] 0.08±0.08 dex
-
[Mg/H] 0.12±0.04 dex
-
[Al/H] 0.06±0.06 dex
-
[Si/H] 0.14±0.04 dex
-
[Ca/H] 0.06±0.04 dex
-
[Y/H] 0.00±0.08 dex
| Source |
Addison et al. 2019 |
TICv8 |
Gaia DR2 |
Bonomo et al. 2017 |
Tsantaki et al. 2014 |
Knutson et al. 2014 |
Mortier et al. 2013 |
Southworth 2012 |
Triaud et al. 2010 |
Southworth 2010 |
Southworth et al. 2010 |
Ghezzi et al. 2010 |
Daemgen et al. 2009 |
Torres et al. 2008 |
Charbonneau et al. 2007 |
Collier Cameron et al. 2007 |
ExoFOP-TESS TOI |
Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5180±190 |
5147.0000+73.2523-124.7720
|
4994.2+63.8-55.2
|
5200±200 | 5105±18 | --- | 5109±72 | 5170±60 | 5150±80 | 5150±80 | 5150±80 | 5227±46 | 5200±200 | 5200±200 | --- | 5200±200 | 5147.0000±99.0122 | ||
|
Metallicity
(dex)
|
0.12+0.21-0.19
[Fe/H]
|
0.1±0.1 [M/H] | --- | 0.10±0.20 | 0.08±0.03 [Fe/H] | 0.060±0.070 [Fe/H] | 0.02±0.05 [Fe/H] | 0.04±0.05 [Fe/H] | -0.080±0.080 [Fe/H] | -0.080±0.080 [Fe/H] | -0.080±0.080 [Fe/H] | 0.10±0.03 [Fe/H] | --- | 0.1±0.2 [Fe/H] | --- | --- | --- | ||
|
ρ✶
(g/cm3)
|
1.94±0.10 |
1.9624077+0.3995067-0.3996209
|
--- | --- | --- | --- | 1.52±0.07 | 2.147±0.094 |
2.100+0.124-1.197
|
2.151±0.094 | 2.151±0.094 | --- | 2.095±0.205 |
2.05 +0.26-0.15
|
--- | --- | --- | ||
|
M✶
(M⦿)
|
0.895+0.077-0.072
|
0.8690000+0.1297990-0.0727756
|
--- | 0.890±0.120 | --- | 0.85±0.05 | 0.83±0.07 | 0.851±0.050 |
0.84+0.11-0.12
|
0.803±0.060 | 0.803±0.060 | 0.80±0.10 | 0.89±0.12 | 0.89±0.12 | 0.79±0.09 |
0.79 +0.15-0.04
|
--- | ||
|
R✶
(R⦿)
|
0.866+0.031-0.030
|
0.8546700+0.0558704-0.0304965
|
0.9076521+0.0204019-0.0227532
|
0.840+0.062-0.065
|
--- | --- | 1.06±0.21 | 0.823±0.018 |
0.825+0.042-0.040
|
0.807±0.022 | 0.807±0.022 | 0.64±0.05 | 0.843±0.063 |
0.840 +0.062-0.065
|
0.813±0.032 | 0.78±0.06 | 0.854669988155365±0.043183400000000 | ||
|
log g
(log10(cm/s2))
|
4.514±0.018 |
4.5134900+0.0696860-0.0784184
|
--- | --- | 3.97±0.06 | --- | 4.33±0.14 | 4.537±0.017 | 4.40±0.15 | 4.529±0.018 | 4.529±0.018 | 4.42±0.13 | --- |
4.537 +0.035-0.046
|
--- | 4.3±0.3 | 4.5134900±0.0740522 | ||
|
v sin i
(km/s)
|
--- | --- | --- | 0.90±0.50 | 2.90 | --- | --- | --- |
0.990+0.270-0.320
|
--- | --- | --- | --- | --- | --- | --- | --- | ||
|
Sp. T
|
--- | --- | --- | --- | --- | --- | --- | --- | K1 | --- | --- | --- | --- | --- | --- | K1 V | --- | ||
|
L✶
(log10(L⦿))
|
-0.313+0.081-0.086
|
-0.3354920+0.0156652-0.0152667
|
-0.33560265+0.00583575-0.00591524
|
--- | --- | --- | --- | --- | --- | --- | --- | -0.562±0.064 | --- |
-0.328 +0.127-0.141
|
--- | --- | --- | ||
|
Age
(Gyr)
|
--- | --- | --- | 7.0±7.0 | --- | --- | --- |
8.20+6.80-3.70
|
--- |
11.9+8.7-5.0
|
11.9+8.7-5.0
|
<1.0 | --- |
5.6 +8.4-5.6
|
--- | --- | --- | ||
|
γ
(km/s)
|
-27.8723+0.0060-0.0061
|
--- | -28.088930258767675±0.833324358413934 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | -27.863±0.007 | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source |
Addison et al. 2019 |
Kokori et al. 2023 |
Ivshina & Winn 2022 |
Kokori et al. 2022 |
Bonomo et al. 2017 |
Baluev et al. 2015 |
Knutson et al. 2014 |
Southworth 2012 |
Triaud et al. 2010 |
Southworth 2010 |
Southworth et al. 2010 |
Daemgen et al. 2009 |
Torres et al. 2008 |
Charbonneau et al. 2007 |
Collier Cameron et al. 2007 |
ExoFOP-TESS TOI |
Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
a/R✶
|
7.81+0.13-0.14
|
8.08±0.12 | --- | --- | --- | --- | --- |
8.0775+0.1192-0.1158
|
8.0128+0.1571-0.1574
|
8.0775+0.1192-0.1158
|
8.078+0.119-0.116
|
8.01 +0.32-0.2
|
7.95 +0.32-0.20
|
--- | --- | --- | ||
|
b
|
0.749+0.012-0.013
|
--- | --- | --- | --- | 0.7380±0.0094 | --- | --- |
0.737+0.012-0.013
|
--- | --- | 0.725±0.026 |
0.724 +0.017-0.028
|
0.731±0.026 | 0.4±0.4 | --- | ||
|
Mp
(M⨁)
|
296+19-18
|
--- | --- | --- |
294.0+25.7-28.0
|
--- |
292+9-9
|
280±12 |
275+24-27
|
269±14 | 269±14 | 290.484±29.239 |
290.802 +28.603-29.557
|
--- | 279.68±25.43 | --- | ||
|
Mp
(MJup)
|
0.931+0.060-0.058
|
--- | --- | --- |
0.9250+0.0810-0.0880
|
--- |
0.918+0.027-0.028
|
0.880±0.038 |
0.866+0.076-0.084
|
0.847±0.045 | 0.847±0.045 | 0.914±0.092 |
0.915 +0.090-0.093
|
--- | 0.88±0.08 | --- | ||
|
e
|
--- | --- | --- | --- | <0.013 | --- |
0.00540+0.00900-0.00440
|
--- | <0.07 | --- | --- | --- | --- | --- | --- | --- | ||
|
i
(deg)
|
84.49+0.17-0.18
|
84.81±0.17 | --- | --- |
84.81+0.35-0.27
|
--- | --- | 84.81±0.17 |
84.73+0.18-0.19
|
84.81±0.17 | 84.81±0.17 | 84.80±0.39 |
84.81 +0.35-0.27
|
84.74±0.39 | --- | --- | ||
|
P
(days)
|
2.152175+0.000012-0.000011
|
2.15222216±0.00000013 | 2.15222163±0.00000079 | 2.15222231±0.00000015 | 2.15222163±0.00000042 | 2.15222163±0.00000042 | --- | 2.15222144±0.00000039 |
2.1522254+0.0000015-0.0000014
|
2.15222144±0.00000039 | 2.15222144±0.00000039 | 2.15226±0.000004 | 2.152226 | 2.152226 | 2.152226±0.000004 | 2.15216301908733±0.00003983852400 | ||
|
Rp
(R⨁)
|
12.12+0.46-0.45
|
--- | --- | --- |
12.00+0.90-0.93
|
--- | --- | 11.92±0.31 |
12.07+0.62-0.65
|
11.69±0.37 | 11.69±0.36 | 12.520±0.919 |
12.005 +0.897-0.930
|
11.635±0.560 | 10.705±3.419 | 11.9994427222452±0.6179496000000 | ||
|
Rp
(RJup)
|
1.081+0.041-0.040
|
--- | --- | --- |
1.071+0.080-0.083
|
--- | --- | 1.063±0.028 |
1.077+0.055-0.058
|
1.043±0.033 | 1.043±0.032 | 1.117±0.082 |
1.071 +0.080-0.083
|
1.038±0.050 | 0.955±0.305 | 1.07052041959937±0.05512986564425 | ||
|
Rp/R✶
|
0.12831+0.00098-0.00100
|
0.1326±0.0007 | --- | --- | --- | 0.1355±0.0031 | --- | --- |
0.1342+0.0010-0.0009
|
--- | 0.1326±0.0007 | 0.1332±0.0015 | 0.1310±0.0013 | 0.1309±0.0015 | 0.1295±0.0105 | --- | ||
|
K
(m/s)
|
157.0+4.7-4.6
|
--- | --- | --- | 156.5±1.3 | --- |
156.7+1.2-1.3
|
153.6±3.0 |
153.6+3.0-3.1
|
153.6±3.0 | 153.6±3.0 | 155±7 | 155±7 | --- | 155±7 | --- | ||
|
a
(au)
|
0.03144+0.00088-0.00087
|
--- | --- | --- |
0.0314+0.0013-0.0015
|
--- | --- | 0.03092±0.00060 |
0.0307+0.0013-0.0015
|
0.03033±0.00074 | 0.03033±0.00074 | 0.03138±0.00142 |
0.03138 +0.00130-0.00154
|
--- | 0.0307±0.0011 | --- | ||
|
δ
(%)
|
1.646±0.025 | --- | --- | --- | --- | --- | --- | --- |
1.802+0.027-0.025
|
--- | --- | 1.713±0.020 | 1.617 | --- | --- | 1.69866330129759±0.01788536400000 | ||
|
T14
(hours)
|
1.788+0.024-0.023
|
--- | --- | --- | --- | 1.776±0.017 | --- | --- |
1.769+0.016-0.016
|
--- | --- | 1.799±0.035 | --- | 1.799±0.035 | --- | 1.75319659945122±0.02304223400000 | ||
|
TC
(days)
|
2458339.00342+0.00028-0.00027
|
2455229.043082±0.000075 | 2455381.85015±0.00028 | 2455097.75755±0.00007 | 2455894.07919±0.00015 | 2455894.07919±0.00015 | --- | --- |
2453991.51428+0.00020-0.00021
|
--- | 2453991.51455±0.00017 | --- | --- | 2454008.73205±0.00028 | 2453991.5146±0.0044 | 2459770.23139500±0.00028359 | ||
|
λ
(deg)
|
--- | --- | --- | --- | --- | --- | --- | --- |
-153 +11-15
|
--- | --- | --- | --- | --- | --- | --- | ||
|
ψ
(deg)
|
--- | --- | --- | --- | --- | --- | --- | --- | >89.8 | --- | --- | --- | --- | --- | --- | --- | ||
|
Teq
(K)
|
1311+52-50
|
--- | --- | --- | --- | --- | --- | 1286±17 | --- | 1281±21 | 1281±21 | 1300±54 | 1304±54 | --- | --- | 1189.67437495532 | ||
|
ρ
(g/cm3)
|
0.914+0.074-0.071
|
--- | --- | --- |
0.930+0.270-0.200
|
--- | --- | 0.911±0.057 | --- | 0.9940±0.0640 | 0.9940±0.0640 | 0.87±0.24 |
0.92 +0.27-0.20
|
--- | --- | --- | ||
|
ω
(deg)
|
--- | --- | --- | --- | --- | --- |
267+11-86
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | ||
|
S
(S⨁)
|
492+80-71
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 473.405643041614 | ||
|
Mp sin i
(M⨁)
|
295+19-18
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||
|
Mp sin i
(MJup)
|
0.927+0.060-0.057
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
- RA
- ---
- Dec
- ---
- Distance
- 153.89460675212729±1.62378059346790 pc
- Parallax
- 6.497953509252376±0.068561537199125 mas
- Ecliptic Latitude
- ---
- Ecliptic Longitude
- ---
- Galactic Latitude
- ---
- Galactic Longitude
- ---
- Total Proper Motion
- 48.643±0.082 mas/yr
- Proper Motion (RA)
- 5.9359633202604769±0.1011137251007444 mas/yr
- Proper Motion (Dec)
- -48.27939317763743±0.08152247474636 mas/yr
- Photometry
-
mV---
-
mTESS---
-
mJ---
-
mH---
-
mKs---
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mGaia---
-
mB---
- Tools
- Stellar Hosts
| Source | Southworth et al. 2020 |
|---|---|
|
Teff
(K)
|
3523+28-19
|
|
Age
(Gyr)
|
7.60+4.10-5.30
|
|
M✶
(M⦿)
|
0.40±0.02 |
Literature Time Series
(3 File Types, 21 Files)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 426 | z (Sloan) | Charbonneau et al. 2007 |
| Photometric Light Curve | 3995 | Clear, no filter | Collier Cameron et al. 2007 |
| Photometric Light Curve | 12856 | Clear, no filter | SuperWASP Consortium |
| Radial Velocity Curve | 9 | Optical Spectra | Collier Cameron et al. 2007 |
| Amateur Light Curve | 165 | B (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 96 | B (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 147 | Clear, no filter | Amateur-Contributed Light Curves |
| Amateur Light Curve | 121 | Clear, no filter | Amateur-Contributed Light Curves |
| Amateur Light Curve | 115 | Clear, no filter | Amateur-Contributed Light Curves |
| Amateur Light Curve | 179 | R (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 112 | R (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 98 | R (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 92 | R (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 70 | R (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 66 | R (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 65 | R (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 53 | R (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 52 | R (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 187 | V (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 135 | V (Generic) | Amateur-Contributed Light Curves |
| Amateur Light Curve | 65 | V (Generic) | Amateur-Contributed Light Curves |
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 Associated Literature Data
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 Associated Literature Data
-
ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 | Reference Overview -
TESS Transit Timing of Hundreds of Hot Jupiters
Ivshina & Winn 2022 | Reference Overview -
ExoClock Project. II. A Large-scale Integrated Study with 180 Updated Exoplanet Ephemerides
Kokori et al. 2022 | Reference Overview -
A multiplicity study of transiting exoplanet host stars. II. Revised properties of transiting planetary systems with companions
Southworth et al. 2020 | Reference Overview -
A multiplicity study of transiting exoplanet host stars. I. High-contrast imaging with VLT/SPHERE
Bohn et al. 2020 | Reference Overview -
Minerva-Australis I: Design, Commissioning, & First Photometric Results
Addison et al. 2019 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
The GAPS Programme with HARPS-N at TNG . XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets
Bonomo et al. 2017 | Reference Overview -
Benchmarking the power of amateur observatories for TTV exoplanets detection
Baluev et al. 2015 | Reference Overview -
Friends of Hot Jupiters. II. No Correspondence between Hot-jupiter Spin-Orbit Misalignment and the Incidence of Directly Imaged Stellar Companions
Ngo et al. 2015 | Reference Overview -
Spectroscopic parameters for solar-type stars with moderate-to-high rotation. New parameters for ten planet hosts
Tsantaki et al. 2014 | Reference Overview -
Friends of Hot Jupiters I: A Radial Velocity Search for Massive, Long-Period Companions to Close-In Gas Giant Planets
Knutson et al. 2014 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
New and updated stellar parameters for 90 transit hosts. The effect of the surface gravity
Mortier et al. 2013 | Reference Overview -
Stellar companions to exoplanet host stars: Lucky Imaging of transiting planet hosts
Bergfors et al. 2013 | Reference Overview -
Homogeneous studies of transiting extrasolar planets - V. New results for 38 planets
Southworth 2012 | Reference Overview -
Spin-orbit angle measurements for six southern transiting planets. New insights into the dynamical origins of hot Jupiters
Triaud et al. 2010 | Reference Overview -
High-precision photometry by telescope defocusing - III. The transiting planetary system WASP-2
Southworth et al. 2010 | Reference Overview -
Homogeneous studies of transiting extrasolar planets - III. Additional planets and stellar models
Southworth 2010 | Reference Overview -
Stellar Parameters and Metallicities of Stars Hosting Jovian and Neptunian Mass Planets: A Possible Dependence of Planetary Mass on Metallicity
Ghezzi et al. 2010 | Reference Overview -
Exoplanet Archive Help: Amateur Light Curves
Amateur-Contributed Light Curves -
Binarity of transit host stars. Implications for planetary parameters
Daemgen et al. 2009 | Reference Overview -
Improved Parameters for Extrasolar Transiting Planets
Torres et al. 2008 | Reference Overview -
Precise Radius Estimates for the Exoplanets WASP-1b and WASP-2b
Charbonneau et al. 2007 | Reference Overview -
WASP-1b and WASP-2b: Two new transitioning exoplanets detectedwith SuperWASP and SOPHIE
Collier Cameron et al. 2007 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
SuperWASP: Wide Angle Search for Planets
SuperWASP Consortium
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
- Browse
- Download
