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WASP-28 Overview

  • Star: WASP-28
    • Stellar Radius: 0.92 Solar Radius
    • Stellar Effective Temperature: 6134.00 K
    • Planet: WASP-28 b
      • Disposition Confirmed
      • Planet Radius 1.219 Jupiter Radius

WASP-28 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
WASP-28
WASP-28 b 3.41 d 13.66 R⨁ Transit 2014 Petrucci et al. 2015 Confirmed Planet
RA
23h34m27.90s
Dec
-01d34m47.95s
Distance
348.494+5.654-5.479
pc
Parallax
2.8413400±0.0454775 mas
Ecliptic Latitude
1.08372 deg
Ecliptic Longitude
353.5101 deg
Galactic Latitude
-58.48637 deg
Galactic Longitude
83.8604 deg
Total Proper Motion
24.7851504±0.0647749 mas/yr
Proper Motion (RA)
22.3180000±0.0677286 mas/yr
Proper Motion (Dec)
10.780100±0.050183 mas/yr
Photometry
mV 12.274±0.069
mTESS 11.6238±0.0078
mJ 11.078±0.026
mH 10.762±0.023
mKs 10.732±0.024
mKep 11.933
mW1 10.675±0.023
mW2 10.709±0.021
mW3 10.603±0.086
mW4 8.341
mGaia 12.028600±0.000272
mB 12.716±0.031
mg 12.4890000±0.0010721
mi 11.9538000±0.0009809
mr 12.1297000±0.0010608
mu 14.7175000±0.0074705
mz 13.1488000±0.0076089
Abundances
(Hypatia Catalog)
[Fe/H] -0.11±0.16 dex
[C/H] -0.18±0.09 dex
[O/H] -0.11±0.09 dex
[Na/H] -0.15±0.04 dex
[Mg/H] -0.14±0.07 dex
[Al/H] -0.28±0.06 dex
[Si/H] -0.13±0.05 dex
[Ca/H] -0.03±0.06 dex
Mission
K2: Observed in Campaigns -1, 12
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source Močnik et al. 2020 TICv8 Gaia DR2 Bonomo et al. 2017 Maciejewski et al. 2016 Anderson et al. 2015 Petrucci et al. 2015 Mortier et al. 2013 ExoFOP
Teff
(K)
---
6134.000+144.791-148.723
5924.000+343.333-126.904
 6150±140 --- 6150±140 6084±45 6134±38 6134.0±146.8
Metallicity
(dex)
--- -0.12±0.03 [M/H] --- -0.290±0.100 [Fe/H] --- -0.29±0.10 [Fe/H] -0.2±0.07 [Fe/H] -0.12±0.03 [Fe/H] ---
ρ✶
(g/cm3)
1.102±0.010
1.1835323+0.2859325-0.2630553
 --- ---
1.133+0.025-0.125
 1.104±0.082 --- 0.93±0.13 ---
M✶
(M⦿)
0.993±0.067
1.160000+0.154684-0.148768
 --- 1.021±0.050 --- 1.021±0.050 1.011±0.028 1.02±0.07 ---
R✶
(R⦿)
1.083±0.025
1.1138200+0.0739935-0.0452126
1.1282960+0.0499397-0.1202330
 1.094±0.031
1.083+0.020-0.044
 1.094±0.031 1.123±0.052 0.92±0.06 1.11±0.06
log g
(log10(cm/s2))
---
4.4089000+0.0877236-0.0843863
 --- ---
4.378+0.013-0.051
 4.370±0.018 4.342±0.040 4.55±0.05 4.41±0.09
γ
(km/s)
--- --- 25.785655231017266±1.690715523004728 --- --- 24.21641±0.00043 24.33±0.02 --- ---
Age
(Gyr)
5.5±2.6 --- ---
5.0+3.0-2.0
 ---
5 +3-2
4.2±1.0 --- ---
Sp. T
--- --- --- --- --- F8 F8 --- ---
v sin i
(km/s)
--- --- --- 3.25±0.34 --- 3.25±0.34 --- --- ---
L✶
(log10(L⦿))
---
0.19929898+0.02340880-0.01862823
0.15000100+0.00968768-0.00990872
 --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
K2 Names
K2 Planets and Candidates
Transit
Atmospheric Spectroscopy
Source Močnik et al. 2020 Kokori et al. 2023 Ivshina & Winn 2022 Kokori et al. 2022 Bonomo et al. 2017 Maciejewski et al. 2016 Anderson et al. 2015 Petrucci et al. 2015 ExoFOP
P
(days)
3.40883495±0.00000015 3.40883502±0.00000050 3.40883458±0.00000041 3.4088353±0.0000003 3.4088300±0.0000060 3.4088387±0.0000016 3.4088300±0.000006 3.408840±0.000003 3.4088330±0.0000005
TC
(days)
2457642.502126±0.000014
(BJD)
2457618.64044±0.00014
(BJD-TDB)
2456933.46456±0.00013
(BJD-TDB)
2457683.40894±0.00003
(BJD-TDB)
2455290.40597±0.00031
(BJD-TDB)
2455290.40595±0.00046
(BJD-TDB)
2455290.40519±0.00031 2455290.40551±0.00102
(BJD-TDB)
2460229.8063910±0.0003378
(BJD)
Mp
(M⨁)
283±18 --- --- ---
288+15-14
 295±16 288.260±13.666 285.717±11.124 ---
Mp
(MJup)
0.889±0.058 --- --- ---
0.906+0.046-0.044
 0.927±0.049 0.907±0.043 0.899±0.035 ---
e
0 --- --- --- <0.058 --- 0 --- ---
i
(deg)
88.514±0.090
88.3+1.6-0.9
 --- --- 88.61±0.67
88.35+1.65-0.92
 88.61±0.67 87.98±1.43 ---
ρ
(g/cm3)
0.651±0.036 --- --- ---
0.629+0.078-0.068
0.630+0.055-0.086
 0.676±0.063 --- ---
Rp
(R⨁)
13.66±0.31 --- --- --- 13.60±0.47
14.01+0.33-0.59
 13.597±0.471 15.177±1.861 14.263200±0.763399
Rp
(RJup)
1.219±0.028 --- --- --- 1.213±0.042
1.250+0.029-0.053
 1.213±0.042 1.354±0.166 1.2724797±0.0681060
K
(m/s)
--- --- --- ---
120.8+4.5-4.7
 123.4±5.1 120.5±4.2 --- ---
a
(au)
0.0442±0.0010 --- --- ---
0.04465+0.00073-0.00074
 0.04464±0.00073 0.04469±0.00076 0.0445±0.0004 ---
Teq
(K)
1456±40 --- --- --- --- --- 1468±37 1473±30 1430
S
(S⨁)
--- --- --- --- --- --- --- --- 695.65
δ
(%)
1.3396±0.0026 --- --- --- --- --- 1.300±0.027 --- 1.60320000±0.00282232
T14
(hours)
3.2388±0.0020 --- --- --- --- --- 3.2376±0.0240 --- 3.163±0.004
a/R✶
--- 8.62±0.10 --- --- ---
8.859+0.067-0.326
 8.79±0.19 --- ---
b
0.228±0.013 --- --- --- ---
0.25+0.14-0.25
 0.21±0.10 --- ---
Rp/R✶
--- 0.1160±0.0017 --- --- ---
0.1160+0.0017-0.0014
 --- 0.129±0.014 ---
λ
(deg)
6.0±17.0 --- --- --- --- --- 8±18 --- ---
Print
Known Objects
1 Confirmed Planets
2 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 K2 Time Series
1 Associated Literature Data
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