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WASP-157 Overview

WASP-157 1.04 R⦿ 5773.00 K
WASP-157 b
0.998 RJup

WASP-157 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
WASP-157
WASP-157 b 3.95 d 11.19 R⨁ Transit 2016 Močnik et al. 2016 Confirmed Planet
RA
13h26m37.24s
Dec
-08d19m03.49s
Distance
334.037+6.510-6.270
pc
Parallax
2.9662800±0.0568149 mas
Ecliptic Latitude
.71735 deg
Ecliptic Longitude
203.11132 deg
Galactic Latitude
53.54342 deg
Galactic Longitude
317.68341 deg
Total Proper Motion
32.9093707±0.0999896 mas/yr
Proper Motion (RA)
-31.72770±0.10126 mas/yr
Proper Motion (Dec)
-8.739550±0.081415 mas/yr
Photometry
mV
12.397±0.092
mTESS
11.7283±0.0061
mJ
11.110±0.026
mH
10.799±0.023
mKs
10.764±0.023
mKep
12.193
mW1
10.708±0.024
mW2
10.754±0.021
mW3
10.676±0.092
mW4
9.154
mGaia
12.181800±0.000262
mB
12.958±0.635
Abundances
(Hypatia Catalog)
[Fe/H] 0.24±0.04 dex
[C/H] 0.38±0.09 dex
Mission
K2 : Observed in Campaigns 6, 17
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source TICv8 Livingston et al. 2018 Gaia DR2 Mayo et al. 2018 Močnik et al. 2016 Kruse et al. 2019 Petigura et al. 2018 Barros et al. 2016 Pope et al. 2016
Teff
(K)
5753.000+131.704-121.720
 5772±86
5620.3667+210.6330-153.7920
 5773.0±50.0 5838±140 --- --- --- ---
Metallicity
(dex)
--- 0.25±0.06 [Fe/H] --- 0.31±0.08 [Fe/H] 0.34±0.09 [Fe/H] --- --- --- ---
M✶
(M⦿)
1.029000+0.106546-0.149879
 1.06±0.04 ---
1.067878 +0.035082-0.032007
1.26±0.12 --- --- --- ---
R✶
(R⦿)
1.10289+0.05200-0.06000
 1.10±0.03
1.1296002+0.0644523-0.0801351
1.040024 +0.086825-0.054359
1.134±0.051
1.130 +0.080-0.064
1.20 --- ---
log g
(log10(cm/s2))
4.3654200+0.0971166-0.0559621
 4.38±0.03 --- 4.43±0.1 4.5±0.2 --- --- --- ---
L✶
(log10(L⦿))
0.079338649+0.026948313-0.016596513
 ---
0.059602832+0.010939779-0.011222487
 --- --- --- --- --- ---
ρ✶
(g/cm3)
1.0813875+0.2796109-0.1900925
1.400+0.099-0.094
 --- --- 1.21±0.20 --- --- --- ---
γ
(km/s)
--- --- --- --- -21.9522±0.0026 --- --- --- ---
v sin i
(km/s)
--- --- --- --- 1.0±0.9 --- --- --- ---
Age
(Gyr)
--- --- --- ---
1.6+2.5-0.8
 --- --- --- ---
Sp. T
--- --- --- --- G2 V --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Livingston et al. 2018 Kokori et al. 2023 Kokori et al. 2022 Mayo et al. 2018 Močnik et al. 2016 Kruse et al. 2019 Petigura et al. 2018 Barros et al. 2016 Pope et al. 2016
a/R✶
10.49+0.26-0.23
 10.04±0.04 ---
10.270030 +0.432233-0.347734
---
10.31 +0.35-0.51
--- --- ---
i
(deg)
---
84.93+0.45-0.21
 ---
85.090391 +0.304004-0.276621
84.93+0.45-0.21
 --- --- --- ---
P
(days)
3.951623±0.000018 3.95161588±0.00000030 3.951605±0.000003
3.951626 +0.000008-0.000009
3.9516205±0.0000040
3.9516283 +0.0000084-0.0000086
3.951623 +0.000019-0.000018
3.95169560 3.952
Rp
(R⨁)
11.19±0.28 --- ---
10.768616558 +0.974295217492-0.656209075137
11.94±0.53
11.81 +0.91-0.93
12.0 +1.7-1.3
--- ---
Rp
(RJup)
0.9983±0.0250 --- ---
0.960711621 +0.086920797-0.058543052
1.065±0.047
1.054 +0.081-0.083
1.07 +0.15-0.12
--- ---
Rp/R✶
0.0935±0.0009 0.0944±0.0019 ---
0.094926 +0.003311-0.002974
---
0.0959 +0.0028-0.0052
0.0917±0.0011 --- 0.078771
TC
(days)
2457222.23863±0.00019
(BJD)
2457846.594001±0.000036
(BJD-TDB)
2457265.70719±0.00009
(BJD-TDB)
2457218.28702 +0.000104-0.000099
2457257.803194±0.000088
(BJD)
2457218.287±0.00010
(BJD)
2457222.23864±0.000196
(BJD)
2457226.190233
(BJD)
2457218.287
(BJD)
Teq
(K)
1193±24 --- --- --- 1339±93 --- --- --- ---
b
0.87±0.01 --- --- ---
0.887+0.015-0.044
 --- 0.85±0.01 --- 0.159
a
(au)
0.0499±0.0006 --- --- --- 0.0529±0.0017 --- --- --- ---
δ
(%)
--- --- --- --- 0.891±0.035
0.7628 +0.0037-0.0038
--- 0.75±0.005 0.6205
T14
(hours)
--- --- --- --- 1.95±0.10
1.93920+0.02400-0.02640
1.82880+0.01920-0.03120
1.85300+0.02000-0.02000
 1.41600
Mp
(M⨁)
--- --- --- --- 182±30 --- --- --- ---
Mp
(MJup)
--- --- --- --- 0.574±0.093 --- --- --- ---
e
--- --- --- --- 0 --- --- --- ---
ρ
(g/cm3)
--- --- --- --- 0.64±0.13 --- --- --- ---
K
(m/s)
--- --- --- --- 61.6±3.8 --- --- --- ---
Print
Known Objects
1 Confirmed Planets
2 K2 Targets
2 2MASS Point Source Catalog
Data Files
2 K2 Time Series
1 Associated Literature Data
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  • Candidate
  • False Positive Planet
  • Controversial
  • False Positive
  • Aliases
  • Data Access
  • Transit Prediction Service
  • Time Series
  • Kepler | K2
  • External Link
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