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Stellar HostProfile

HD 128717

Unclassified star • 73.64 pc

Records

2

literature rows

Planets

1

system count

References

3

distinct source labels

HIP: HIP 71425HD: HD 128717TIC: TIC 298163592

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: Pinamonti et al. 2026 • System source: TICv8

Temperature

6210 K

6157.8 to 6210

2 values • 2 distinct

Mass

1.21 Msun

1.17 to 1.21

2 values • 2 distinct

Radius

1.25 Rsun

1.25 to 1.27

2 values • 2 distinct

Age

1.40 Gyr

single adopted value

1 values • 1 distinct

Luminosity

0.32 log(Lsun)

0.32 to 0.32

2 values • 2 distinct

Distance

73.64 pc

single adopted value

2 values • 1 distinct

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 1.25 R☉ (circles scaled linearly by radius)

Sun

1.0 R☉ baseline

HD 128717

1.25 R☉

System Layout

Known planets

1 planets linked to this host

HD 128717 b

Astrometry

◌

Discovery

2025

Period

3420 days

Radius

—

Mass

6293.0 M⊕

Eq. Temp

—

HD 128717 and Its Planet

HD 128717 is a star 240 light-years away with one known planet. The star is 1.4 billion years old, has a mass of 1.21 solar masses, a radius of 1.25 solar radii, and a temperature of 6210 K. Its mass, radius, and temperature are all larger or hotter than the Sun's.

The planet HD 128717 b was discovered in 2025 by astrometry. It has a mass of 6290 Earth masses and an orbital period of 3420 days. That mass is larger than Earth's and roughly 19.8 times Jupiter's mass.

Provenance

Underlying measurements and references

Download JSONDownload CSV

Evidence Summary

Rows

2

Stellar refs

2

System refs

1

Distancestable

2 values • 1 distinct

Parallaxstable

2 values • 1 distinct

Temperaturedisputed

2 values • 2 distinct

Massdisputed

2 values • 2 distinct

Radiusdisputed

2 values • 2 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

2 values • 2 distinct

Metallicitystable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
62101.211.251.400.32—73.64Pinamonti et al. 2026TICv8
6157.81.171.27—0.32—73.64TICv8TICv8