KELT-20 Overview
KELT-20
1.56
R⦿
8894.75
K
KELT-20 b
1.741
RJup
- Other Data
- Bibliography 14
- Nearby Data 3
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| KELT-20 | KELT-20 b | Transit | 2017 | Lund et al. 2017 | Confirmed Planet |
- RA
- 19h38m38.74s
- Dec
- +31d13m09.12s
- Distance
-
136.426+0.816-0.807pc
- Parallax
- 7.3014800±0.0432848 mas
- Ecliptic Latitude
- 51.69211 deg
- Ecliptic Longitude
- 305.1407 deg
- Galactic Latitude
- 4.62728 deg
- Galactic Longitude
- 65.80767 deg
- Total Proper Motion
- 6.8917079±0.0677003 mas/yr
- Proper Motion (RA)
- 3.0956300±0.0648676 mas/yr
- Proper Motion (Dec)
- -6.1573300±0.0683977 mas/yr
- Photometry
-
mV7.59±0.03
-
mTESS7.55216±0.00610
-
mJ7.424±0.024
-
mH7.446±0.018
-
mKs7.415±0.017
-
mW17.363±0.029
-
mW27.441±0.020
-
mW37.450±0.017
-
mW47.399±0.157
-
mGaia7.574920±0.000509
-
mB7.669±0.024
| Source | TICv8 | Gaia DR2 | Talens et al. 2018 | Lund et al. 2017 | Cannon & Pickering 1918 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
9032.0000+166.7660-93.5066
|
8894.75+269.25-265.50
|
8980+90-130
|
8720+250-260
|
--- | 8894.8±267.4 | ||
|
Sp. T
|
--- | --- | A2 | A2 V | A0 | --- | ||
|
L✶
(log10(L⦿))
|
1.1954870+0.0184275-0.0205583
|
--- | --- |
1.10+0.07-0.07
|
--- | --- | ||
|
Metallicity
(dex)
|
--- | --- | -0.02±0.07 [Fe/H] |
-0.29+0.22-0.36
[Fe/H]
|
--- | --- | ||
|
γ
(km/s)
|
--- | --- | -21.3±0.4 | -23.3±0.3 | --- | --- | ||
|
v sin i
(km/s)
|
--- | --- | 114±3 | 117.4±2.9 | --- | --- | ||
|
Age
(Gyr)
|
--- | --- |
0.200+0.100-0.050
|
<0.6 | --- | --- | ||
|
ρ✶
(g/cm3)
|
0.7603207+0.1450965-0.0981286
|
--- | 0.66±0.01 |
0.641+0.035-0.033
|
--- | --- | ||
|
M✶
(M⦿)
|
2.282000+0.410978-0.236269
|
--- |
1.89+0.06-0.05
|
1.76+0.14-0.19
|
--- | --- | ||
|
R✶
(R⦿)
|
1.6174400+0.0403030-0.0477523
|
--- | 1.60±0.06 |
1.565+0.057-0.064
|
--- | 1.62±0.04 | ||
|
log g
(log10(cm/s2))
|
4.3787300+0.0737319-0.0573534
|
--- | 4.31±0.02 |
4.290+0.017-0.020
|
--- | 4.38±0.07 |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Lund et al. 2017 | Kokori et al. 2023 | Patel & Espinoza 2022 | Ivshina & Winn 2022 | Talens et al. 2018 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|
|
a/R✶
|
7.42±0.13 | 7.50±0.05 |
7.53+0.06-0.07
|
--- | --- | --- | ||
|
Teq
(K)
|
2262±73 | --- | --- | --- | 2260±50 | 2084.33308662992 | ||
|
b
|
0.503+0.025-0.028
|
--- |
0.502+0.017-0.016
|
--- | --- | --- | ||
|
S
(S⨁)
|
4362.5+595.2-536.4
|
--- | --- | --- | --- | 3453.07 | ||
|
Mp
(M⨁)
|
<1075 | --- | --- | --- | <5403 | --- | ||
|
Mp
(MJup)
|
<3.382 | --- | --- | --- | <17 | --- | ||
|
Mp sin i
(M⨁)
|
<1072 | --- | --- | --- | --- | --- | ||
|
Mp sin i
(MJup)
|
<3.372 | --- | --- | --- | --- | --- | ||
|
i
(deg)
|
86.12+0.28-0.27
|
86.12+0.28-0.27
|
--- | --- |
86.4+0.5-0.4
|
--- | ||
|
P
(days)
|
3.4741085±0.0000019 | 3.47410042±0.00000022 |
3.4741084+0.0000018-0.0000019
|
3.47410024±0.00000061 |
3.474119+0.000005-0.000006
|
3.4741012±0.0000002 | ||
|
ρ
(g/cm3)
|
<0.806 | --- | --- | --- | --- | --- | ||
|
Rp
(R⨁)
|
19.51+0.77-0.83
|
--- | --- | --- | 20.5±0.8 | 21.291200±0.579777 | ||
|
Rp
(RJup)
|
1.741+0.069-0.074
|
--- | --- | --- | 1.83±0.07 | 1.8994769±0.0517243 | ||
|
Rp/R✶
|
0.11440+0.00062-0.00061
|
0.11440±0.00062 | 0.1157±0.0005 | --- | --- | --- | ||
|
K
(m/s)
|
<311.3 | --- | --- | --- | --- | --- | ||
|
a
(au)
|
0.0542+0.0014-0.0021
|
--- | --- | --- | 0.057±0.006 | --- | ||
|
δ
(%)
|
1.309±0.014 | --- | --- | --- | --- | 1.57480000±0.00214018 | ||
|
T14
(hours)
|
3.5755+0.0218-0.0211
|
--- | --- | --- | --- | 3.317±0.013 | ||
|
TC
(days)
|
2457503.120049±0.000190 | 2459288.807775±0.000021 | 2458694.73670±0.00006 | 2458312.58564±0.00016 |
2457909.5906+0.0003-0.0002
|
2460337.9863750±0.0000539 | ||
|
λ
(deg)
|
3.4±2.1 | --- | --- | --- | --- | --- | ||
|
ψ
(deg)
|
35.6 +34.2-34.3
|
--- | --- | --- | --- | --- | ||
|
e
|
--- | --- | --- | --- | 0 | --- |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 167 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 Confirmed Planets
- 12 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 | Reference Overview -
Empirical Limb-darkening Coefficients and Transit Parameters of Known Exoplanets from TESS
Patel & Espinoza 2022 | Reference Overview -
TESS Transit Timing of Hundreds of Hot Jupiters
Ivshina & Winn 2022 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
MASCARA-2 b. A hot Jupiter transiting the mV = 7.6 A-star HD 185603
Talens et al. 2018 | Reference Overview -
KELT-20b: A Giant Planet with a Period of P ∼ 3.5 days Transiting the V ∼ 7.6 Early A Star HD 185603
Lund et al. 2017 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
The Hipparcos and Tycho Photometric System Passbands
Tycho 2 converted using Bessell 2000 | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | Reference Overview -
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 | Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
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