WASP-20 Overview
WASP-20
1.39
R⦿
5873.53
K
WASP-20 b
1.462
RJup
WASP-20 B
5235.00
K
- Other Data
- Bibliography 13
- Exoplanet Archive Notes 3
- WASP-20 Nearby Data 4
- WASP-20 B Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| WASP-20 | WASP-20 b | Transit | 2015 | Anderson et al. 2015 | Confirmed Planet |
WASP-20
- This reference contains discussion regarding the stellar multiplicity of this system. (Evans et al. 2016)
- 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)
- RA
- 00h20m38.53s
- Dec
- -23d56m08.84s
- Distance
- 211.877 pc
- Parallax
- ---
- Ecliptic Latitude
- -23.88712 deg
- Ecliptic Longitude
- 354.60193 deg
- Galactic Latitude
- -82.35676 deg
- Galactic Longitude
- 55.91524 deg
- Total Proper Motion
- 18.3534738±1.9000000 mas/yr
- Proper Motion (RA)
- -1.4±1.9 mas/yr
- Proper Motion (Dec)
- -18.3±1.9 mas/yr
- Photometry
-
mV10.675±0.007
-
mTESS10.2480±0.0062
-
mJ9.701±0.021
-
mH9.417±0.021
-
mKs9.390±0.024
-
mW19.328±0.022
-
mW29.364±0.019
-
mW39.324±0.033
-
mW48.336
-
mGaia10.650300±0.000727
-
mB11.203±0.104
| Source | TICv8 | Gaia DR2 |
Bonomo et al. 2017 |
Evans et al. 2016 |
Anderson et al. 2015 |
ExoFOP-TESS TOI |
Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5775.7 |
5873.533+377.850-209.233
|
5940±100 | --- | 5940±100 | 5940 | ||
|
Metallicity
(dex)
|
0.040±0.100 [M/H] | --- | -0.0080±0.0600 [Fe/H] | --- | -0.008±0.060 [Fe/H] | --- | ||
|
v sin i
(km/s)
|
--- | --- | 4.75±0.51 | --- | 4.75±0.51 | --- | ||
|
Age
(Gyr)
|
--- | --- |
7.0+2.0-1.0
|
3.6+2.1-3.6
|
7 +2-1
|
--- | ||
|
M✶
(M⦿)
|
--- | --- | 1.200±0.041 | 1.089±0.050 | 1.200±0.041 | --- | ||
|
R✶
(R⦿)
|
1.5037 | --- | 1.392±0.044 | 1.142±0.085 | 1.392±0.044 | 1.5 | ||
|
ρ✶
(g/cm3)
|
--- | --- | --- | 1.03±0.24 | 0.630±0.046 | --- | ||
|
log g
(log10(cm/s2))
|
--- | --- | --- | 4.360±0.066 | 4.231±0.020 | 4.23158 | ||
|
γ
(km/s)
|
--- | --- | --- | --- | 1.316300±0.000089 | --- | ||
|
Sp. T
|
--- | --- | --- | --- | F9 | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source |
Anderson et al. 2015 |
Kokori et al. 2023 |
Ivshina & Winn 2022 |
Kokori et al. 2022 |
Bonomo et al. 2017 |
Evans et al. 2016 |
ExoFOP-TESS TOI |
Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|
|
a/R✶
|
9.28±0.23 | 10.60±0.08 | --- | --- | --- |
10.94+0.88-0.76
|
--- | ||
|
Teq
(K)
|
1379±31 | --- | --- | --- | --- | 1282±52 | --- | ||
|
b
|
0.718±0.018 | --- | --- | --- | --- | --- | --- | ||
|
Mp
(M⨁)
|
98.841±5.403 | --- | --- | --- |
98.8+6.0-5.7
|
120±7 | --- | ||
|
Mp
(MJup)
|
0.311±0.017 | --- | --- | --- |
0.311+0.019-0.018
|
0.378±0.022 | --- | ||
|
e
|
0 | --- | --- | --- | <0.039 | --- | --- | ||
|
i
(deg)
|
85.56±0.22 | 86.8±0.9 | --- | --- | 85.56±0.22 | 87.46±0.88 | --- | ||
|
P
(days)
|
4.8996284±0.0000033 | 4.89964477±0.00000051 | 4.89964485±0.00000055 | 4.8996461±0.0000016 | 4.8996284±0.0000033 | --- | 4.8996461±0.0000010 | ||
|
ρ
(g/cm3)
|
0.132±0.016 | --- | --- | --- |
0.123+0.018-0.015
|
0.225±0.086 | --- | ||
|
Rp
(R⨁)
|
16.388±0.661 | --- | --- | --- | 16.39±0.66 | 14.3±1.7 | 15.9746 | ||
|
Rp
(RJup)
|
1.462±0.059 | --- | --- | --- | 1.462±0.059 | 1.28±0.15 | 1.42516 | ||
|
K
(m/s)
|
32.8±1.7 | --- | --- | --- | 32.9±1.8 | --- | --- | ||
|
a
(au)
|
0.06000±0.00069 | --- | --- | --- |
0.05999+0.00069-0.00068
|
0.0581±0.0009 | --- | ||
|
δ
(%)
|
1.164±0.023 | --- | --- | --- | --- | --- | 1.0957000±0.0115235 | ||
|
T14
(hours)
|
3.4032±0.0336 | --- | --- | --- | --- | --- | 3.070±0.031 | ||
|
TC
(days)
|
2455715.65562±0.00029 | 2458087.08446±0.00013 | 2458356.56496±0.00015 | 2456367.3093±0.0004 | 2455715.65640±0.00029 | --- | 2460198.8317160±0.0002599 | ||
|
λ
(deg)
|
12.7±4.2 | --- | --- | --- | --- | --- | --- | ||
|
Rp/R✶
|
--- | 0.101±0.005 | --- | --- | --- | 0.1148±0.0057 | --- | ||
|
S
(S⨁)
|
--- | --- | --- | --- | --- | --- | 259.864 |
- RA
- ---
- Dec
- ---
- Distance
- ---
- Parallax
- ---
- Ecliptic Latitude
- ---
- Ecliptic Longitude
- ---
- Galactic Latitude
- ---
- Galactic Longitude
- ---
- Total Proper Motion
- 3.965±1.790 mas/yr
- Proper Motion (RA)
- 2.4660736491703266±1.9867580886975706 mas/yr
- Proper Motion (Dec)
- -3.1048520862636342±1.6543573710256712 mas/yr
- Photometry
-
mV---
-
mTESS---
-
mJ---
-
mH---
-
mKs---
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mGaia---
-
mB---
- Tools
- Stellar Hosts
| Source | Southworth et al. 2020 |
|---|---|
|
Teff
(K)
|
5235+242-272
|
|
Age
(Gyr)
|
4.3+1.2-1.8
|
|
M✶
(M⦿)
|
0.89+0.06-0.07
|
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 Associated Literature Data
- Known Objects
- 1 Confirmed Planets
- 1 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 -
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 -
WASP-20 Is a Close Visual Binary with a Transiting Hot Jupiter
Evans et al. 2016 | Reference Overview -
WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars
Anderson et al. 2015 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
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