KELT-20 Overview

KELT-20 1.56 R⦿ 8894.75 K
KELT-20 b
1.741 RJup
Architecture
KELT-20
KELT-20
KELT-20 b
Other Data
Bibliography 12
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+0.816-0.807
pc
Parallax
7.3014800±0.0432848 mas
Ecliptic Latitude
51.69211 deg
Ecliptic Longitude
305.14457 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
mV
7.59±0.03
mTESS
7.55216±0.00610
mJ
7.424±0.024
mH
7.446±0.018
mKs
7.415±0.017
mW1
7.363±0.029
mW2
7.441±0.020
mW3
7.450±0.017
mW4
7.399±0.157
mGaia
7.574920±0.000509
mB
7.669±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 Patel & Espinoza 2022 Talens et al. 2018 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
2262±73 --- 2260±50 2139
S
(S)
4362.5+595.2-536.4
--- --- 3478.23
P
(days)
3.4741085±0.0000019
3.4741084+0.0000018-0.0000019
3.474119+0.000005-0.000006
3.4741267±0.0000099
Rp
(R)
19.51+0.77-0.83
--- 20.5±0.8 20.582800±0.586215
Rp
(RJup)
1.741+0.069-0.074
--- 1.83±0.07 1.8362776±0.0522987
δ
(%)
1.309±0.014 --- --- 1.4740000000±0.0000939458
T14
(hours)
3.5755+0.0218-0.0211
--- --- 3.323±0.027
TC
(days)
2457503.120049±0.000190 2458694.73670±0.00006
2457909.5906+0.0003-0.0002
2459441.6687350±0.0003885
a/R
7.42±0.13
7.53+0.06-0.07
--- ---
b
0.503+0.025-0.028
0.502+0.017-0.016
--- ---
Rp/R
0.11440+0.00062-0.00061
0.1157±0.0005 --- ---
Mp
(M)
<1075 --- <5403 ---
Mp
(MJup)
<3.382 --- <17 ---
e
--- --- 0 ---
i
(deg)
86.12+0.28-0.27
---
86.4+0.5-0.4
---
a
(au)
0.0542+0.0014-0.0021
--- 0.057±0.006 ---
Mp sin i
(M)
<1072 --- --- ---
Mp sin i
(MJup)
<3.372 --- --- ---
ρ
(g/cm3)
<0.806 --- --- ---
K
(m/s)
<311.3 --- --- ---
λ
(deg)
3.4±2.1 --- --- ---
ψ
(deg)
35.6 +34.2-34.3
--- --- ---
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
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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