WASP-47 Overview

WASP-47 1.15 R⦿ 5350.00 K
WASP-47 e
0.163 RJup
WASP-47 b
1.147 RJup
WASP-47 d
0.326 RJup
WASP-47 c
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
WASP-47 WASP-47 e 0.79 d 1.83 R Transit 2015 Becker et al. 2015 Confirmed Planet
WASP-47 WASP-47 b 4.16 d 12.86 R Transit 2012 Hellier et al. 2012 Confirmed Planet
WASP-47 WASP-47 d 9.03 d 3.65 R Transit 2015 Becker et al. 2015 Confirmed Planet
WASP-47 WASP-47 c 589.57 d > 447 M Radial Velocity 2015 Neveu-VanMalle et al. 2015 Confirmed Planet
WASP-47
  • Values for stellar mass, radius, density and surface gravity drawn from Table A.1., model-free photodynamical analysis in ref. (Almenara et al. 2016)
WASP-47 e
  • Values for all parameters drawn from Table A.1., model-free photodynamical analysis in ref. (Almenara et al. 2016)
WASP-47 b
  • Values for all parameters drawn from Table A.1., model-free photodynamical analysis in ref. (Almenara et al. 2016)
WASP-47 d
  • Values for all parameters drawn from Table A.1., model-free photodynamical analysis in ref. (Almenara et al. 2016)
WASP-47 c
  • Values for all parameters drawn from Table A.1., model-free photodynamical analysis in ref. (Almenara et al. 2016)
RA
22h04m48.74s
Dec
-12d01m08.64s
Distance
264.780+4.888-4.716
pc
Parallax
3.7496400±0.0679499 mas
Ecliptic Latitude
-.20871 deg
Ecliptic Longitude
328.99173 deg
Galactic Latitude
-48.18707 deg
Galactic Longitude
45.74798 deg
Total Proper Motion
43.9557276±0.0913683 mas/yr
Proper Motion (RA)
15.0235000±0.0898828 mas/yr
Proper Motion (Dec)
-41.308600±0.091563 mas/yr
Photometry
mV
11.936±0.046
mTESS
11.2900±0.0061
mJ
10.613±0.022
mH
10.310±0.022
mKs
10.192±0.026
mKep
11.762
mW1
10.165±0.023
mW2
10.236±0.019
mW3
10.172±0.081
mW4
8.745
mGaia
11.788900±0.000253
mB
12.736±0.024
Abundances
(Hypatia Catalog)
[Fe/H] 0.53±0.04 dex
[C/H] 0.50±0.09 dex
[Na/H] 0.59±0.04 dex
[Mg/H] 0.54±0.07 dex
[Al/H] 0.56±0.06 dex
[Si/H] 0.45±0.05 dex
[Ca/H] 0.36±0.06 dex
Source Howard et al. 2025 Nascimbeni et al. 2023 Bourrier et al. 2023 Bryant & Bayliss 2022 Adams et al. 2021 TICv8 Dai et al. 2019 Gaia DR2 Vanderburg et al. 2017 Almenara et al. 2016 Crossfield et al. 2016 Sanchis-Ojeda et al. 2015 Neveu-VanMalle et al. 2015 Becker et al. 2015 Mortier et al. 2013 Hellier et al. 2012 Kruse et al. 2019 ExoFOP-TESS TOI Barros et al. 2016 Adams et al. 2016 Vanderburg et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5476.0±100.0 --- 5552±75 5552±75 5565±60
5576.000+103.921-132.564
5552±75
5371.00+69.75-24.00
5552±75 5576±68 5950±125 5565±60 5576±68 5576±67 5576±68 5350±90 --- 5576.0±118.2 --- 5565.0 5427
γ
(km/s)
--- --- --- --- --- --- --- -25.847809452556408±0.608446469709640 --- --- --- --- --- --- --- -27.056±0.004 --- --- --- --- ---
v sin i
(km/s)
2.2±1.0 ---
1.80+0.24-0.16
--- --- --- --- --- ---
1.80+0.24-0.16
---
1.80+0.24-0.16
--- --- --- 3.0±0.6 --- --- --- --- ---
M
(M⦿)
1.01±0.05 1.058±0.047 1.040±0.031 1.040±0.031 ---
0.98400000+0.09580710-0.15837700
1.008+0.053-0.047
--- 1.040±0.031
1.11+0.89-0.49
1.003±0.095 --- 1.026±0.076 1.04±0.08 1.07±0.10 1.084±0.037 --- --- --- --- ---
R
(R⦿)
1.144±0.049 1.156±0.009 1.137±0.013 1.137±0.013 1.10±0.04
1.1113300+0.0619221-0.0580276
1.125+0.027-0.026
1.1877352+0.0106863-0.0302582
1.137±0.013 1.16±0.26 1.10±0.23 --- 1.15±0.04 1.15±0.04 1.26±0.30 1.15±0.03
1.188 +0.030-0.011
1.11±0.06 --- 1.15±0.04 0.86
Metallicity
(dex)
0.370±0.044 [Fe/H] --- --- 0.38±0.05 [Fe/H] 0.43±0.04 [Fe/H] 0.36±0.05 [M/H] 0.38±0.05 [Fe/H] --- 0.38±0.05 [M/H] 0.36±0.05 [Fe/H] --- 0.43±0.04 [Fe/H] 0.36±0.05 [Fe/H] 0.36±0.05 [M/H] 0.36±0.05 [Fe/H] --- --- --- --- 0.43 [Fe/H] ---
log g
(log10(cm/s2))
4.27±0.08 --- --- 4.3437±0.0063 4.30±0.07
4.3393800+0.0957806-0.0655480
4.34±0.03 --- 4.3437±0.0063 4.354±0.084 4.32±0.16 4.29±0.07 4.32±0.05 4.34±0.01 4.28±0.16 --- --- 4.34±0.08 --- 4.29 ---
ρ
(g/cm3)
--- --- --- 0.9980±0.0140 ---
1.0107172+0.2856223-0.1683558
1.00+0.10-0.09
--- 0.9990±0.0140 0.9990±0.0150 --- --- 0.960±0.080 --- 0.71±0.03 --- --- --- --- --- ---
Age
(Gyr)
--- ---
6.5+2.6-1.2
--- --- --- --- --- ---
6.5+2.6-1.2
--- --- --- --- --- --- --- --- --- --- ---
Prot
(days)
--- ---
39.4+2.2-4.5
32.5±3.9 --- --- --- --- --- 31.2±3.5 --- --- --- --- --- --- --- --- --- --- ---
L
(log10(L⦿))
--- --- --- --- ---
0.031673000+0.017494300-0.022201580
---
0.024354580+0.009969283-0.010203474
--- --- --- --- --- --- --- --- --- --- --- --- ---
Sp. T
--- --- G9 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
S Index
0.1325 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
CAII LOG RHK
-5.201 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Nascimbeni et al. 2023 Howard et al. 2025 Bourrier et al. 2023 Bryant & Bayliss 2022 Adams et al. 2021 Dai et al. 2019 Vanderburg et al. 2017 Almenara et al. 2016 Crossfield et al. 2016 Dai et al. 2015 Becker et al. 2015 Adams et al. 2016 Vanderburg et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
ω
(deg)
90 --- 90 --- --- --- --- 160±140 --- --- --- --- ---
e
0 --- 0 --- --- --- ---
0.030+0.036-0.020
--- --- --- --- ---
P
(days)
0.78961±0.00003 0.789570±0.000034 0.7895933±0.0000044 0.7895933±0.0000044 0.789655±0.000040 0.790 0.789592±0.000012 0.789636±0.000017 0.789518±0.000060 0.789593±0.000012 0.789597±0.000013 0.789693±0.000082 0.78961301
K
(m/s)
--- --- 4.55±0.37 4.55±0.37 ---
4.76+0.78-0.79
4.61±0.44 6.1±1.9 --- 8.20±2.40 --- --- ---
T14
(hours)
--- --- 1.899±0.013 --- --- --- 1.899±0.013 --- 1.87±0.14 --- --- --- 1.88000
TC
(days)
2457012.13666±0.00003
(BJD-TDB)
2456981.3436±0.0014
(BJD)
2457011.34862±0.00030
(BJD-TDB)
2457011.34862±0.00030
(BJD-TDB)
2456990.82197+0.00130-0.00097
(HJD)
--- 2457011.34861±0.00033
(BJD-TDB)
2456979.76455±0.00094
(BJD-TDB)
2456981.3450±0.0025
(BJD-TDB)
2457011.34859±0.00031
(BJD)
2457011.34849±0.00038
(BJD)
2457042.1466 +0.00159-0.00162
(BJD)
2456979.762
(BJD)
S
(S)
---
3740.0+460.0-420.0
--- --- --- --- --- --- 4895±2087 --- --- --- ---
Rp
(R)
1.83±0.02
1.79+0.18-0.06
--- 1.808±0.026
1.80+0.10-0.09
1.773+0.049-0.048
1.810±0.027 1.82±0.40 1.64±0.36 1.817±0.065 1.829±0.070 1.79±0.13 1.5
Rp
(RJup)
0.163±0.002
0.160+0.016-0.005
--- 0.1613±0.0023
0.161+0.009-0.008
0.1582+0.0044-0.0043
0.1615±0.0024 0.162±0.036 0.146±0.032 0.1621±0.0058 0.1632±0.0062 0.160±0.012 0.134
Rp/R
--- --- --- 0.01458±0.00013
0.01390+0.00076-0.00034
0.0144±0.0002 0.01461±0.00013 0.01439±0.00016 0.01344±0.00088 --- 0.01456±0.00024 0.0143±0.001 0.01444
a
(au)
--- --- --- --- --- --- --- 0.0173±0.0038 0.01673±0.00053 --- --- --- ---
a/R
--- --- --- ---
3.2+0.2-0.4
--- 3.205±0.014 3.205±0.015 --- --- 3.24±0.14
3.0 +0.3-0.5
---
b
--- --- --- --- --- --- 0.224±0.041 --- --- --- 0.17±0.15 --- 0.00
Mp
(M)
9.0+0.6-0.4
7.06+0.71-0.68
--- 6.77±0.57 ---
6.91+0.81-0.83
6.83±0.66
9.10+5.50-3.60
--- 12.2±3.7 <22 --- ---
Mp
(MJup)
0.028+0.002-0.001
0.0222+0.0022-0.0021
--- 0.0213±0.0018 ---
0.0217+0.0025-0.0026
0.0215±0.0021
0.0286+0.0173-0.0113
--- 0.0384±0.0116 <0.069 --- ---
i
(deg)
86.73±1.76 --- --- ---
89.6+10.0-9.0
--- 85.98±0.75 86.2±2.1 --- --- 87.0±3.1
81.8 +5.9-7.7
---
ρ
(g/cm3)
---
6.1+1.9-1.4
--- 6.29±0.60 --- 6.8±1.4 6.35±0.64 8.50±3.20 --- 11.2±3.6 --- --- ---
Teq
(K)
---
1992.0+59.0-58.0
--- --- --- --- --- --- --- --- --- --- ---
δ
(%)
--- --- --- --- --- --- --- --- --- --- --- --- 0.0258
Status
Confirmed Planet
Detected By
Radial Velocity, Transit Timing Variations, Transit
Source Nascimbeni et al. 2023 Howard et al. 2025 Kokori et al. 2023 Bourrier et al. 2023 Bryant & Bayliss 2022 Ivshina & Winn 2022 Kokori et al. 2022 Vanderburg et al. 2017 Almenara et al. 2016 Crossfield et al. 2016 Dai et al. 2015 Sanchis-Ojeda et al. 2015 Neveu-VanMalle et al. 2015 Becker et al. 2015 Hellier et al. 2012 Kruse et al. 2019 ExoFOP-TESS TOI Barros et al. 2016 Vanderburg et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
P
(days)
4.1591510±0.0000004 4.159152±0.000013 4.15915035±0.00000063 4.1591492±0.0000006 4.1591492±0.0000006 4.15914806±0.00000070 4.1591496±0.0000010 4.1591289±0.0000042 4.16071±0.00038 4.159221±0.000015 4.1591282±0.0000046 4.1 4.1591409±0.0000072 4.1591287±0.0000049 4.1591399±0.0000072
4.159170 +0.000011-0.000012
4.1591488±0.0000018 4.15810694 4.1591739
TC
(days)
2459407.7619870±0.0000002
(BJD-TDB)
2456982.9772±0.0001
(BJD)
2457182.61643±0.00015
(BJD-TDB)
2457007.932103±0.000019
(BJD-TDB)
2457007.932103±0.000019
(BJD-TDB)
2457045.36540±0.00012
(BJD-TDB)
2456354.9460±0.0003
(BJD-TDB)
2457007.932132±0.000021
(BJD-TDB)
2456982.97823±0.00032
(BJD-TDB)
2456982.97697±0.00011
(BJD-TDB)
2457007.932132±0.000061
(BJD)
2457245.0049±0.0017
(BJD-TDB)
2455764.3463±0.0002
(BJD-TDB)
2457007.932131±0.000023
(BJD)
2455764.34602±0.00022
(HJD-UTC)
2456978.81802 +0.000095-0.000091
(BJD)
2459470.1473340±0.0011402
(BJD)
2456982.982151
(BJD)
2456982.977
(BJD)
ω
(deg)
89.0+19.0-11.0
--- --- 90 --- --- --- --- 30.0±79.0 --- --- --- --- --- --- --- --- --- ---
e
0.00060+0.00050-0.00020
--- --- 0 --- --- --- ---
0.0028+0.0042-0.0020
--- --- --- <0.026 --- <0.11 --- --- --- ---
i
(deg)
89.00±0.17 --- 88.98±0.20
88.98+0.20-0.17
--- --- --- 88.98±0.20 89.02±0.17 --- --- --- --- 89.03±0.27
89.2 +0.5-0.7
--- --- --- ---
K
(m/s)
--- --- --- 140.84±0.40 140.84±0.40 --- --- 140.64±0.44 142.0±1.7 --- 143.3±2.5 --- 140±2 --- --- --- --- --- ---
λ
(deg)
--- --- --- 0.0±24.0 --- --- --- --- --- --- --- 0±24 --- --- --- --- --- --- ---
ψ
(deg)
--- --- ---
29.2+11.1-13.3
--- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Mp
(M)
374+17-16
357.0±11.0 --- --- 363.6±7.3 --- --- 363.1±7.3
383+190-120
--- 370±29 --- 359±19
341+73-55
362.311±15.891 --- --- --- ---
Mp
(MJup)
1.18+0.05-0.05
1.123±0.035 --- --- 1.144±0.023 --- --- 1.142±0.023
1.21+0.59-0.39
--- 1.16±0.09 --- 1.13±0.06
1.07+0.23-0.17
1.14±0.05 --- --- --- ---
ρ
(g/cm3)
---
0.970+0.140-0.120
--- --- 0.9890±0.0400 --- --- 0.9930±0.0210 0.980±0.210 --- 0.990±0.130 --- 0.940±0.110 ---
0.984 +0.067-0.080
--- --- --- ---
Rp
(R)
12.86±0.10
12.251+0.043-0.033
--- --- 12.64±0.15 --- --- 12.63±0.15 12.9±2.8 12.3±2.5 12.71±0.44 --- --- 12.77±0.44
12.890 +0.448-0.224
13.18 +0.34-0.19
12.161600±0.657021 --- 10.5
Rp
(RJup)
1.147±0.009
1.0930+0.0038-0.0029
--- --- 1.128±0.013 --- --- 1.127±0.013 1.15±0.25 1.10±0.22 1.134±0.039 --- --- 1.139±0.039
1.15 +0.04-0.02
1.176 +0.030-0.017
1.0849871±0.0586156 --- 0.937
a
(au)
--- --- --- --- --- --- --- --- 0.052±0.011 0.0507±0.0016 --- --- 0.051±0.001 --- 0.0520±0.0006 --- --- --- ---
δ
(%)
--- --- --- --- --- --- --- --- --- --- --- 1.034±0.004 --- --- 1.051±0.014
1.2712 +0.0024-0.0025
1.28000000000±0.00000613901 1.142±0.021 1.27
T14
(hours)
--- --- --- --- --- --- --- 3.5722±0.0030 --- 3.5524±0.0084 --- --- --- --- 3.58392±0.0156
3.57840+0.01200-0.01200
3.540±0.032
3.79800+0.08900-0.08900
3.63000
a/R
--- --- 9.70±0.04 --- --- --- --- 9.702±0.044 9.705±0.047 --- ---
9.756+0.067-0.066
--- 9.715±0.050 ---
9.746 +0.150-0.067
--- --- ---
b
--- --- --- --- --- --- --- 0.173±0.032 --- --- ---
0.13+0.05-0.08
--- 0.164±0.045 --- --- --- --- 0.37
Rp/R
--- --- 0.10193±0.00021 --- 0.10191±0.00022 --- --- 0.10193±0.00021 0.10193±0.00018 0.10214±0.00030 --- --- --- 0.10186±0.00023 ---
0.10173 +0.00052-0.00112
--- --- 0.1032
S
(S)
---
409.0+50.0-46.0
--- --- --- --- --- --- --- 534±227 --- --- --- --- --- --- 417.295 --- ---
Teq
(K)
---
1146.0+33.0-34.0
--- --- --- --- --- --- --- --- --- --- 1275±23 --- --- --- 1259 --- ---
Status
Confirmed Planet
Detected By
Radial Velocity, Transit Timing Variations, Transit
Source Nascimbeni et al. 2023 Howard et al. 2025 Bourrier et al. 2023 Bryant & Bayliss 2022 Adams et al. 2021 Vanderburg et al. 2017 Almenara et al. 2016 Crossfield et al. 2016 Dai et al. 2015 Becker et al. 2015 Vanderburg et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
a/R
--- ---
16.34+0.08-0.11
---
17.0+0.3-1.0
16.268±0.074 16.327±0.079 --- --- 16.33±0.87 ---
b
--- ---
0.128+0.076-0.085
--- --- 0.192±0.065 --- --- --- 0.18±0.16 0.59
ω
(deg)
83.0+18.0-3.0
---
16.50+84.20-98.60
16.50+84.20-98.60
--- --- 27.0±89.0 --- --- --- ---
e
0.0010+0.0008-0.0007
---
0.010+0.011-0.007
0.010+0.011-0.007
--- <0.014
0.00600+0.00980-0.00410
--- --- --- ---
i
(deg)
89.23±0.10 ---
89.55+0.30-0.27
---
89.5+2.0-0.9
89.32±0.23 89.22±0.13 --- --- 89.36±0.67 ---
P
(days)
9.030501±0.000013 9.03101±0.00037 9.03052118±0.00000753 9.03055±0.00008 9.028052±0.000065 9.03077±0.00017 9.095±0.014 9.03164±0.00064 9.03079±0.00017 9.03081±0.00019 9.0305419
Rp/R
--- --- 0.02876±0.00017 0.02876±0.00017
0.02600+0.00072-0.00033
0.02886±0.00016 0.02931±0.00015 0.0260±0.0015 --- 0.02886±0.00047 0.03102
K
(m/s)
--- --- 4.26±0.37 4.26±0.37 --- 3.93±0.43 4.77±0.81 --- 3.1±2.5 --- ---
T14
(hours)
--- --- 4.288±0.039 --- --- 4.288±0.039 --- 4.26±0.11 --- --- 4.37000
TC
(days)
2457024.4301070±0.0000003
(BJD-TDB)
2456988.3079±0.0011
(BJD)
2459426.5437±0.0028
(BJD-TDB)
2457006.36955±0.00035
(BJD-TDB)
2456997.34398+0.00130-0.00088
(HJD)
2457006.36931±0.00039
(BJD-TDB)
2456988.375±0.014
(BJD-TDB)
2456988.3075±0.0024
(BJD-TDB)
2457006.36922±0.00052
(BJD)
2457006.36927±0.00044
(BJD)
2456988.308
(BJD)
S
(S)
---
145.0+18.0-16.0
--- --- --- --- --- 190±81 --- --- ---
Rp
(R)
3.65±0.03
3.58+0.32-0.10
--- 3.567±0.045 3.3±0.1 3.576±0.046 3.71±0.82 3.18±0.68 3.60±0.13 3.63±0.14 3.06
Rp
(RJup)
0.326±0.003
0.319+0.029-0.009
--- 0.3182±0.0040 0.29±0.01 0.3190±0.0041 0.331±0.073 0.284±0.061 0.321±0.012 0.324±0.012 0.273
a
(au)
--- --- --- --- --- --- 0.0880±0.0190 0.0850±0.0027 --- --- ---
Mp
(M)
15.5+0.7-0.9
13.3±1.5 --- 14.2±1.3 --- 13.1±1.5
16.8+12.0-7.0
--- 10.4±8.4 15.2±7.0 ---
Mp
(MJup)
0.0488+0.0022-0.0028
0.0418±0.0047 --- 0.0447±0.0041 --- 0.0412±0.0047
0.0529+0.0378-0.0220
--- 0.0327±0.0264 0.0478±0.0220 ---
ρ
(g/cm3)
---
1.44+0.42-0.32
--- 1.72±0.17 --- 1.58±0.18 1.80±0.16 --- 1.2±1.0 --- ---
Teq
(K)
--- 885.0±26.0 --- --- --- --- --- --- --- --- ---
δ
(%)
--- --- --- --- --- --- --- --- --- --- 0.107
Status
Confirmed Planet
Detected By
Radial Velocity
Source Nascimbeni et al. 2023 Howard et al. 2025 Bourrier et al. 2023 Bryant & Bayliss 2022 Vanderburg et al. 2017 Almenara et al. 2016 Neveu-VanMalle et al. 2015
ω
(deg)
111.8+2.7-0.2
--- 112.0±4.3 112.0±4.3 112.4±4.8 136±20 144±53
e
0.264+0.007-0.012
--- 0.295±0.016 0.295±0.016 0.296±0.017 0.36±0.12 0.13±0.10
P
(days)
589.57±0.02
592.5+2.6-2.5
588.8±2.0 588.8±2.0 588.5±2.4 580.7±9.6 572±7
K
(m/s)
--- --- 31.04±0.40 31.04±0.40 --- 29.4±6.1 30±6
TC
(days)
---
2455993.0+6.0-7.0
(BJD)
2457763.1±4.3
(BJD-TDB)
2457763.1±4.3
(BJD-TDB)
--- --- ---
Teq
(K)
--- 219.3±6.4 --- --- --- --- 247±5
S
(S)
---
0.549+0.067-0.061
--- --- --- --- ---
Mp sin i
(M)
--- 394.0±13.0 --- 398.9±9.1 398.2±9.3
380+220-130
394±70
Mp sin i
(MJup)
--- 1.240±0.041 --- 1.255±0.029 1.253±0.029
1.21+0.69-0.41
1.24±0.22
a
(au)
--- --- --- --- 1.393±0.014 1.41±0.30 1.36±0.04
Mp
(M)
>447+18-22
--- --- --- ---
500+320-190
---
Mp
(MJup)
>1.41+0.06-0.07
--- --- --- ---
1.57+1.00-0.59
---
i
(deg)
90 --- --- --- --- 87.0±45.0 ---
a/R
--- --- --- --- --- 261.4±1.3 255±7
Known Objects
4 Confirmed Planets
1 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 K2 Time Series
4 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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