Temperature
5838 K
5620.4 to 5838
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Stellar HostProfile
WASP-157
G2 V • 334.0 pc
Records
9
literature rows
Planets
1
system count
References
10
distinct source labels
TIC: TIC 179012583
Approximate color
from effective temperature
Canonical Summary
Adopted host values from one source row
Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.
Stellar source: Močnik et al. 2016 • System source: TICv8
Mass
1.26 Msun
1.03 to 1.26
Radius
1.13 Rsun
1.04 to 1.20
Age
1.60 Gyr
single adopted value
Distance
334.0 pc
single adopted value
Spectral Type
G2 V
Consistent across records
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 1.13 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
WASP-157
1.13 R☉
System Layout
Known planets
1 planets linked to this host
WASP-157 b
Transit
◌
Discovery
2016
Period
3.95 days
Radius
11.19 R⊕
Mass
—
Eq. Temp
1193 K
WASP-157 b: A Jupiter-like World in a Distant Star System
WASP-157 is a G-type main-sequence star located 1090 light-years away. The star is estimated to be 1.6 billion years old, with a mass of 1.26 solar masses and a radius of 1.13 solar radii; its temperature is 5840 K. One planet orbits this host.
That planet, WASP-157 b, was discovered in 2016 by the transit method, in which a planet passes in front of its star from our viewpoint and causes a small dip in observed brightness. It is classified as Jupiter-like, a size class for planets whose radius exceeds 4 times Earth's radius. WASP-157 b has a radius of 11.2 Earth radii, larger than Earth's, and an orbital period of 3.95 days.
Provenance
Underlying measurements and references
Evidence Summary
Rows
9
Stellar refs
9
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agestable
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
Spectral Typestable
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | — | 1.20 | — | — | — | 334.0 | Petigura et al. 2018 | TICv8 |
| 5753 | 1.03 | 1.10 | — | 0.08 | — | 334.0 | TICv8 | TICv8 |
| 5838 | 1.26 | 1.13 | 1.60 | — | G2 V | 334.0 | Močnik et al. 2016 | TICv8 |
| 5620.4 | — | 1.13 | — | 0.06 | — | 334.0 | Gaia DR2 | TICv8 |
| — | — | — | — | — | — | 334.0 | Pope et al. 2016 | TICv8 |
| — | — | — | — | — | — | 334.0 | Barros et al. 2016 | TICv8 |
| 5772 | 1.06 | 1.10 | — | — | — | 334.0 | Livingston et al. 2018 | TICv8 |
| 5773 | 1.07 | 1.04 | — | — | — | 334.0 | Mayo et al. 2018 | TICv8 |
| — | — | 1.13 | — | — | — | 334.0 | Kruse et al. 2019 | TICv8 |