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WASP-4 Overview

WASP-4 0.91 R⦿ 5500.00 K
WASP-4 b
1.321 RJup
Architecture
WASP-4
WASP-4
WASP-4 b
Other Data
Bibliography 29
Exoplanet Archive Notes 2
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
WASP-4 WASP-4 b Transit 2007 Wilson et al. 2008 Confirmed Planet
WASP-4 b
  • Inclination value/uncertainties estimated from range given in ref. (Southworth et al. 2009)
  • Values for transit midpoint and period drawn from Table 4, Constant period model in ref. Orbital period displays non-linear ephemeris. (Bouma et al. 2019)
RA
23h34m15.10s
Dec
-42d03m42.41s
Distance
267.206+3.771-3.670
pc
Parallax
3.7145100±0.0517115 mas
Ecliptic Latitude
-35.55903 deg
Ecliptic Longitude
335.07051 deg
Galactic Latitude
-68.29575 deg
Galactic Longitude
344.4924 deg
Total Proper Motion
88.0729150±0.0479378 mas/yr
Proper Motion (RA)
9.873730±0.052658 mas/yr
Proper Motion (Dec)
-87.5177000±0.0478747 mas/yr
Photometry
mV
12.483±0.041
mTESS
11.8295±0.0060
mJ
11.179±0.025
mH
10.842±0.026
mKs
10.746±0.021
mW1
10.684±0.022
mW2
10.748±0.020
mW3
10.721±0.089
mW4
8.465
mGaia
12.316200±0.000246
mB
13.514±0.477
Abundances
(Hypatia Catalog)
[Fe/H] 0.12±0.12 dex
[C/H] -0.02±0.09 dex
[O/H] -0.10±0.09 dex
[Na/H] 0.00±0.12 dex
[Mg/H] 0.06±0.08 dex
[Al/H] 0.02±0.06 dex
[Si/H] 0.00±0.02 dex
[Ca/H] 0.04±0.02 dex
[Y/H] 0.07±0.08 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source TICv8
 Bouma et al. 2019
 Gaia DR2 Bonomo et al. 2017
 Stassun et al. 2017
 Knutson et al. 2014
 Petrucci et al. 2013
 Mortier et al. 2013 Hoyer et al. 2013
 Southworth 2012
 Triaud et al. 2010
 Southworth 2010
 Southworth et al. 2009
 Winn et al. 2009 Gillon et al. 2009 Wilson et al. 2008
 ExoFOP-TESS TOI
 Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5504.000+125.770-154.204
 5400±90
5425.0+32.0-38.0
 5436±34 5500±150 --- 5436±34 5513±43 --- 5540±55 5500±100 5500±100 5500±100 5500±100 --- --- 5436
L✶
(log10(L⦿))
-0.1789707+0.0211464-0.0174617
 ---
-0.1812056+0.0081609-0.0083173
 --- --- --- --- --- --- --- --- --- --- -0.166±0.043 --- --- ---
v sin i
(km/s)
--- --- ---
2.2+0.6-1.0
 --- --- --- --- --- ---
2.14+0.38-0.35
 --- --- 2.0±1.0 ---
2.2 +0.6-1.0
---
M✶
(M⦿)
0.97000000+0.15045500-0.09498920
0.864+0.084-0.090
 --- 0.89±0.01 0.87±0.53 0.92±0.07 0.89±0.01 0.89±0.07 --- 0.927±0.056
0.930+0.054-0.053
 0.914±0.071
0.9400+0.0730-0.0690
 0.925±0.040 --- --- ---
R✶
(R⦿)
0.8949740+0.0464452-0.0646603
 0.893±0.034
0.9188621+0.0130091-0.0107449
 0.920±0.060 0.900±0.180 --- 0.92±0.06 0.91±0.09 0.907±0.014 0.910±0.019
0.903+0.016-0.019
0.905+0.023-0.024
0.914+0.024-0.023
 0.912±0.013 --- --- 0.894973993301392±0.055552800000000
Metallicity
(dex)
-0.010±0.100 [M/H] -0.070±0.190 [Fe/H] --- -0.050±0.040 [Fe/H] 0.0 [Fe/H] 0.0±0.2 [Fe/H] -0.05±0.04 [Fe/H] 0.03±0.03 [Fe/H] --- -0.030±0.090 [Fe/H] -0.030±0.090 [Fe/H] -0.030±0.090 [Fe/H] -0.030±0.090 [M/H] --- --- --- ---
Age
(Gyr)
--- 7 --- 7.0±2.9 --- --- 7.0±2.9 --- ---
6.4+3.3-5.6
 ---
7.00+5.60-4.80
 --- --- --- --- ---
ρ✶
(g/cm3)
1.9076783+0.4102862-0.5566586
1.711+0.022-0.048
 --- --- 1.69±0.15 --- --- 1.23±0.02 --- 1.733±0.031
1.7844+0.0118-0.0108
1.737+0.028-0.031
1.737+0.028-0.031
 --- --- --- ---
log g
(log10(cm/s2))
4.5212200+0.0624677-0.1119340
 4.47±0.11 --- --- 4.45±0.02 --- 4.461±0.054 4.50±0.07 --- 4.487±0.010 4.5±0.2
4.485+0.012-0.013
4.490+0.013-0.012
 --- --- --- 4.46024
γ
(km/s)
--- --- 58.83896939662856±0.97418284578370 --- --- --- --- --- --- --- --- --- --- --- 57.7387±0.0026
57.7326 +0.002-0.001
---
Sp. T
--- --- --- --- --- --- --- --- --- --- G8 --- --- --- --- G7 V ---
Prot
(days)
--- --- --- 22.2±3.3 --- --- --- --- --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Transit
Atmospheric Spectroscopy
Source Bouma et al. 2019
 Kokori et al. 2023
 Patel & Espinoza 2022
 Ivshina & Winn 2022 Kokori et al. 2022
 Huitson et al. 2017
 Bonomo et al. 2017
 Stassun et al. 2017
 Baluev et al. 2015
 Knutson et al. 2014
 Petrucci et al. 2013
 Hoyer et al. 2013
 Southworth 2012
 Sanchis-Ojeda et al. 2011
 Triaud et al. 2010
 Southworth 2010
 Southworth et al. 2009
 ExoFOP-TESS TOI
 Show Candidate Solutions >> << Hide Candidate Solutions
Mp
(M⨁)
376.9+28.6-31.1
 --- --- --- --- --- 371.9±4.8 375±153 ---
368.4+20.0-20.3
 386.5±4.1 --- 397.0±16.5 393.139±20.340
397.3+15.9-16.2
393.2+20.7-21.0
409.7+31.1-23.2
 ---
Mp
(MJup)
1.186+0.090-0.098
 --- --- --- --- --- 1.170±0.015 1.18±0.48 ---
1.159+0.063-0.064
 1.216±0.013 --- 1.249±0.052 1.237±0.064
1.250+0.050-0.051
1.237+0.065-0.066
1.289+0.098-0.073
 ---
e
0 --- --- --- --- --- <0.0033 0.0 ---
0.00340+0.00740-0.00260
 0 0 --- 0.0 <0.0182 --- --- ---
i
(deg)
89.06+0.65-0.84
89.1+0.7-0.8
 --- --- ---
87.63+0.32-0.28
 86.8±1.8 89.47±0.38 --- --- 86.85±1.76
88.52+0.39-0.26
 89.0±1.0
88.80 +0.61-0.43
89.47+0.51-0.24
 89.0±1.0 89.0±1.0 ---
P
(days)
1.338231466+0.000000023-0.000000022
 1.338231388±0.000000022 1.3382315±0.0000000 1.338231371±0.000000024 1.33823144±0.00000003 1.33823204 1.338231624±0.000000068 1.3382300±0.0000022 1.338231624±0.000000068 --- 1.33823251±0.00000031 1.33823204±0.00000016 1.33823144±0.00000032 1.33823187±0.00000025
1.3382299+0.0000023-0.0000021
 1.33823150±0.00000061 1.33823150±0.00000061 1.33823135800679±0.00000025444777
ρ
(g/cm3)
--- --- --- --- --- ---
0.61+0.30-0.18
 --- --- --- --- --- 0.612±0.020 0.774±0.048 ---
0.65835+0.02128-0.02527
0.665+0.032-0.022
 ---
Rp
(R⨁)
14.81±0.44 --- --- --- --- --- 14.9±1.8 14.9±3.0 --- --- 14.9±1.8 15.64±0.25 15.29±0.33 15.838±0.224
15.03+0.26-0.33
15.21+0.40-0.39
15.37+0.43-0.39
 14.854260201302±0.923353430000
Rp
(RJup)
1.321±0.039 --- --- --- --- --- 1.33±0.16 1.33±0.27 --- --- 1.33±0.16 1.395±0.022 1.364±0.029 1.413±0.020
1.341+0.023-0.029
1.357+0.036-0.035
1.371+0.038-0.035
 1.3252106144943±0.0823762173130
a
(au)
0.0226+0.0007-0.0008
 --- --- --- --- --- 0.022870±0.000090 --- --- --- --- --- 0.02318±0.00046 0.02312±0.00033
0.02320+0.00044-0.00045
 0.02307±0.00059
0.02329+0.00077-0.00035
 ---
δ
(%)
--- --- --- --- --- --- --- 2.3000±0.0058 --- --- --- --- --- 2.384±0.028
2.3334+0.0044-0.0072
 --- --- 2.71370920051392±0.00836151800000
T14
(hours)
--- --- --- --- --- --- --- --- 2.1551±0.0025 --- --- --- --- 2.1576±0.0048
2.1283+0.0019-0.0003
 --- --- 2.1560676107495±0.0086321505000
TC
(days)
2455804.515752±0.000019 2456139.073560±0.000024 2459112.62345±0.00005 2456576.675079±0.000031 2455880.79492±0.00003 2456924.61561187±0.00006000 2454966.782814±0.000021 --- 2454966.782814±0.000021 --- 2454697.797973±0.000076 2454823.591924±0.000028 --- 2454697.798226±0.000048
2454387.327787+0.000040-0.000039
 --- 2454697.797488±0.000031 2458355.18442100±0.00005207
λ
(deg)
--- --- --- --- --- --- --- --- --- --- --- --- ---
-1 +14-12
 --- --- --- ---
a/R✶
5.451+0.023-0.052
5.451+0.023-0.052
5.41+0.04-0.05
 --- ---
5.410+0.031-0.030
 --- 5.43±0.16 --- --- ---
5.463+0.025-0.020
5.4795+0.0302-0.0328
 ---
5.53128+0.01227-0.01130
5.4795+0.0302-0.0328
5.480+0.030-0.033
 ---
Teq
(K)
--- --- --- --- --- 1700 --- --- --- --- 1664±54 --- 1673±17 --- --- 1661±30 1662±46 1497.54774441597
K
(m/s)
241.1+2.8-3.1
 --- --- --- --- ---
232.7+2.5-2.2
 240.0±3.0 ---
234.6+2.2-2.3
 --- --- 242.1±3.0 ---
242.1+2.8-3.1
242.1+2.8-3.1
247.6+13.9-6.8
 ---
b
--- ---
0.112+0.079-0.071
 --- --- --- --- --- 0.136±0.028 --- --- --- --- ---
0.051+0.023-0.049
 --- --- ---
Rp/R✶
0.15201+0.00040-0.00033
 0.1520±0.0004
0.1512+0.0010-0.0009
 --- --- --- --- --- 0.15495±0.00032 --- --- 0.15445±0.00025 --- ---
0.15275+0.00014-0.00024
 ---
0.15399+0.00068-0.00065
 ---
ω
(deg)
--- --- --- --- --- --- --- --- ---
288+140-21
 --- --- --- --- --- --- --- ---
S
(S⨁)
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 1188.62185446373
Print
Literature Time Series (3 File Types, 14 Files)
File Type Data Points Filter Reference
Photometric Light Curve     134 Rc (Cousins) Southworth et al. 2009
Photometric Light Curve     126 Rc (Cousins) Southworth et al. 2009
Photometric Light Curve     104 Rc (Cousins) Southworth et al. 2009
Photometric Light Curve     88 Rc (Cousins) Southworth et al. 2009
Photometric Light Curve     374 z (Sloan) Winn et al. 2009
Photometric Light Curve     339 z (Sloan) Winn et al. 2009
Photometric Light Curve     244 z (Gunn) Gillon et al. 2009
Photometric Light Curve     5419 Clear, no filter Wilson et al. 2008
Photometric Light Curve     4107 Clear, no filter Wilson et al. 2008
Photometric Light Curve     213 Rc (Cousins) Wilson et al. 2008
Photometric Light Curve     9321 Clear, no filter SuperWASP Consortium
Radial Velocity Curve     14 Optical Spectra Wilson et al. 2008
Amateur Light Curve     180 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     152 R (Generic) Amateur-Contributed Light Curves
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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