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WASP-21 Overview

WASP-21 1.19 R⦿ 5800.00 K
WASP-21 b
1.070 RJup
Architecture
WASP-21
WASP-21
WASP-21 b
Other Data
Bibliography 16
Nearby Data 3
Discovery Data
Host Planet Method Year Reference Disposition
WASP-21 WASP-21 b Transit 2010 Bouchy et al. 2010 Confirmed Planet
RA
23h09m58.27s
Dec
+18d23m46.17s
Distance
258.426+2.907-2.845
pc
Parallax
3.8412500±0.0427423 mas
Ecliptic Latitude
21.7949 deg
Ecliptic Longitude
356.10528 deg
Galactic Latitude
-38.25641 deg
Galactic Longitude
91.75434 deg
Total Proper Motion
25.7997703±0.0620756 mas/yr
Proper Motion (RA)
17.5975000±0.0735658 mas/yr
Proper Motion (Dec)
18.8668000±0.0499748 mas/yr
Photometry
mV
11.590±0.057
mTESS
10.9644±0.0061
mJ
10.350±0.023
mH
10.085±0.022
mKs
9.982±0.017
mW1
9.933±0.022
mW2
9.963±0.021
mW3
9.902±0.053
mW4
8.392
mGaia
11.398700±0.000762
mB
12.175±0.043
mg
12.0589000±0.0009748
mi
11.3607000±0.0010925
mr
11.4945000±0.0008647
mu
14.1475000±0.0044566
mz
12.7326000±0.0057642
Abundances
(Hypatia Catalog)
[Fe/H] -0.33±0.20 dex
[C/H] -0.32±0.08 dex
[Na/H] -0.48±0.09 dex
[Mg/H] -0.19±0.06 dex
[Al/H] -0.29±0.06 dex
[Si/H] -0.22±0.04 dex
[Ca/H] -0.20±0.09 dex
[BaII/H] -0.40±0.19 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Chen et al. 2020 TICv8 Gaia DR2 Bonomo et al. 2017 Mortier et al. 2013 Ciceri et al. 2013 Southworth 2012 Bouchy et al. 2010 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5800±100
5924.0000+132.9150-99.0632
5767.600+366.205-94.600
 5800±100 5924±55 5800±100 5800±100 --- 5924.000±115.989
Metallicity
(dex)
-0.46±0.11 [Fe/H] -0.22±0.04 [M/H] --- -0.460±0.110 [Fe/H] -0.22±0.04 [Fe/H] -0.46±0.11 [Fe/H] -0.46±0.11 [Fe/H] --- ---
ρ✶
(g/cm3)
---
0.6222113+0.1076447-0.1451994
 --- --- 0.59±0.06 0.855±0.068 0.827±0.086 --- ---
M✶
(M⦿)
0.890±0.079
1.080000+0.144917-0.111443
 --- 1.010±0.030 0.97±0.07 0.890±0.079 0.980±0.140 --- ---
R✶
(R⦿)
1.136±0.051
1.3475700+0.0616437-0.0637281
1.1817070+0.0397398-0.1368900
 1.060±0.040 1.08±0.14 1.136±0.051 1.186±0.086 --- 1.34756994247437±0.06268590000000
log g
(log10(cm/s2))
4.277±0.026
4.2123900+0.0682690-0.0791809
 --- --- 4.39±0.09 4.277±0.026 4.281±0.033 --- 4.2123900±0.0737249
L✶
(log10(L⦿))
---
0.30425608+0.01614607-0.02271800
0.14369489+0.00688141-0.00699220
 --- --- --- --- --- ---
γ
(km/s)
--- --- -89.08700621923492±0.73857284353738 --- --- --- --- -89.45 ---
v sin i
(km/s)
1.5±0.6 --- --- 1.50±0.60 --- --- --- 1.5±0.6 ---
Sp. T
--- --- --- --- --- --- --- G3 V ---
Age
(Gyr)
--- --- ---
12.0+2.0-5.0
 --- 12±5 --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Transit
Atmospheric Spectroscopy
Source Bouchy et al. 2010 Kokori et al. 2023 Ivshina & Winn 2022 Kokori et al. 2022 Chen et al. 2020 Alderson et al. 2020 Bonomo et al. 2017 Seeliger et al. 2015 Southworth 2012 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
--- 10.54±0.15 --- ---
10.23+0.36-0.40
 9.41±0.19 --- 9.62±0.17
9.3545+0.3354-0.3129
 ---
i
(deg)
88.75 +0.84-0.70
88.8+0.8-0.7
 --- ---
88.28+0.90-0.69
 86.82±0.24
88.75+0.84-0.70
 87.12±0.24 86.77±0.45 ---
P
(days)
4.322482 +0.000019-0.000024
 4.32250416±0.00000080 4.3225065±0.0000023 4.3225038±0.0000008 4.3225130±0.0000021 --- 4.3225126±0.0000022 4.3225126±0.0000022 4.3225060±0.0000031 4.32262294185784±0.00011471372000
Rp/R✶
--- 0.1040±0.0018 --- ---
0.1016+0.0015-0.0014
 0.10280±0.00132 --- 0.1030±0.0008 --- ---
T14
(hours)
3.3552 +0.1152-0.0960
 --- --- ---
3.422+0.031-0.029
 --- --- --- --- 3.36990246699019±0.03407376300000
TC
(days)
2454743.0419 +0.0019-0.0022
 2457738.54027±0.00017 2456558.49577±0.00060 2457660.73516±0.00016 2456181.93874±0.00031 --- 2454743.04054±0.00065 2454743.04217±0.00065 --- 2459826.31114500±0.00043239
Teq
(K)
--- --- --- --- --- --- --- --- 1340±32 1314.23726749749
S
(S⨁)
--- --- --- --- --- --- --- --- --- 705.043827138352
Rp
(R⨁)
11.99±0.56 --- --- --- ---
12.9+0.1-0.2
 11.99±0.67 --- 14.16±1.01 15.1546942873941±0.7174312000000
Rp
(RJup)
1.07±0.06 --- --- --- ---
1.15+0.01-0.02
 1.070±0.060 --- 1.263±0.090 1.35201359454514±0.06400503481998
δ
(%)
1.082 +0.037-0.035
 --- --- --- --- --- --- --- --- 1.19397472842646±0.00964711000000
b
0.23 +0.12-0.15
 --- --- --- --- --- --- --- --- ---
Mp
(M⨁)
95.345±3.496 --- --- --- --- 92±3 94.4±4.1 --- 93.8±9.5 ---
Mp
(MJup)
0.300±0.011 --- --- --- --- 0.29±0.01 0.297±0.013 --- 0.295±0.030 ---
e
0 --- --- --- --- --- <0.048 --- --- ---
ρ
(g/cm3)
0.32±0.07 --- --- --- --- ---
0.301+0.058-0.047
 --- 0.182±0.028 ---
K
(m/s)
37.2±1.1 --- --- --- --- --- 36.9±1.4 --- 37.2±1.1 ---
a
(au)
0.052 +0.00041-0.00044
 --- --- --- --- ---
0.05212+0.00051-0.00052
 --- 0.0516±0.0023 ---
Print
Literature Time Series (1 File Type, 4 Files)
File Type Data Points Filter Reference
Radial Velocity Curve     15 Optical Spectra Bouchy et al. 2010
Radial Velocity Curve     13 Optical Spectra Bouchy et al. 2010
Radial Velocity Curve     11 Optical Spectra Bouchy et al. 2010
Radial Velocity Curve     3 Optical Spectra Bouchy et al. 2010
Known Objects
1 Confirmed Planets
1 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
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