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Stellar HostProfile

WASP-197

Unclassified star • 483.7 pc

Records

3

literature rows

Planets

1

system count

References

4

distinct source labels

TIC: TIC 85266608

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: Schanche et al. 2025 • System source: TICv8

Temperature

6050 K

6050 to 6238

3 values • 2 distinct

Mass

1.36 Msun

1.21 to 1.36

2 values • 2 distinct

Radius

2.11 Rsun

2.08 to 2.11

3 values • 2 distinct

Age

2.60 Gyr

single adopted value

1 values • 1 distinct

Distance

483.7 pc

single adopted value

3 values • 1 distinct

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 2.11 R☉ (circles scaled linearly by radius)

Sun

1.0 R☉ baseline

WASP-197

2.11 R☉

System Layout

Known planets

1 planets linked to this host

WASP-197 b

Transit

◌

Discovery

2025

Period

5.17 days

Radius

14.45 R⊕

Mass

403.3 M⊕

Eq. Temp

1665 K

WASP-197 and Its Jupiter-Like Planet

WASP-197 is a star 1580 light-years away with one known planet. The star is 2.6 billion years old, has 1.36 solar masses and 2.11 solar radii, and a temperature of 6050 K. Its mass, radius, and temperature are all larger or hotter than the Sun's.

The planet WASP-197 b is Jupiter-like, discovered by transit in 2025. It has 403 Earth masses and 14.4 Earth radii, and its orbital period is 5.17 days. Its mass is larger than Earth's and roughly 1.27 times Jupiter's mass, while its radius is larger than Earth's. Its mean density is 0.737 g/cm³, 0.134 times Earth's.

Provenance

Underlying measurements and references

Evidence Summary

Rows

3

Stellar refs

3

System refs

1

Distancestable

3 values • 1 distinct

Parallaxstable

3 values • 1 distinct

Temperaturedisputed

3 values • 2 distinct

Massdisputed

2 values • 2 distinct

Radiusdisputed

3 values • 2 distinct

Agestable

1 values • 1 distinct

Luminositystable

1 values • 1 distinct

Surface Gravitydisputed

3 values • 2 distinct

Metallicitystable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
60501.362.112.60——483.7Schanche et al. 2025TICv8
62381.212.08—0.77—483.7TICv8TICv8
6238—2.08———483.7ExoFOPTICv8