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Stellar HostProfile

K2-157

G9 V • 298.4 pc

Records

5

literature rows

Planets

3

system count

References

6

distinct source labels

TIC: TIC 349445372

Approximate color

from effective temperature

Canonical Summary

Adopted host values from all rows

Numeric fields use the median of non-null measurements. Disagreement stays visible through ranges, counts, and provenance.

Temperature

5377 K

5334 to 5456

5 values • 4 distinct

Mass

0.93 Msun

0.89 to 0.94

3 values • 3 distinct

Radius

0.88 Rsun

0.86 to 0.92

5 values • 5 distinct

Age

8.80 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-0.20 log(Lsun)

-0.21 to -0.19

2 values • 2 distinct

Distance

298.4 pc

single adopted value

5 values • 1 distinct

Spectral Type

G9 V

Consistent across records

G9 V (1)

Planets

3

Stable across source rows

3

System Layout

Known planets

3 planets linked to this host

K2-157 d

Radial Velocity

Discovery

2025

Period

66.50 days

Radius

Mass

23.30 M⊕

Eq. Temp

429.1 K

K2-157 b

Transit

Discovery

2018

Period

0.37 days

Radius

1.06 R⊕

Mass

Eq. Temp

K2-157 c

Radial Velocity

Discovery

2025

Period

25.94 days

Radius

Mass

30.80 M⊕

Eq. Temp

587 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

5

Stellar refs

5

System refs

1

Distancestable

5 values • 1 distinct

Parallaxstable

5 values • 1 distinct

Temperaturedisputed

5 values • 4 distinct

Massdisputed

3 values • 3 distinct

Radiusdisputed

5 values • 5 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

4 values • 4 distinct

Metallicitydisputed

3 values • 2 distinct

Spectral Typestable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
53770.930.92-0.19298.4TICv8TICv8
54560.88298.4Adams et al. 2021TICv8
53370.92-0.21298.4Gaia DR2TICv8
54560.940.88298.4Mayo et al. 2018TICv8
53340.890.868.80G9 V298.4Castro-González et al. 2025TICv8