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Stellar HostProfile

TOI-558

F V • 402.6 pc

Records

3

literature rows

Planets

1

system count

References

4

distinct source labels

TIC: TIC 207110080

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: Ikwut-Ukwa et al. 2022 • System source: TICv8

Temperature

6466 K

6025.8 to 6466

3 values • 2 distinct

Mass

1.35 Msun

1.12 to 1.35

2 values • 2 distinct

Radius

1.50 Rsun

1.50 to 1.76

3 values • 2 distinct

Age

1.79 Gyr

single adopted value

1 values • 1 distinct

Luminosity

0.55 log(Lsun)

0.55 to 0.57

2 values • 2 distinct

Distance

402.6 pc

single adopted value

3 values • 1 distinct

Spectral Type

F V

Consistent across records

F V (1)

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 1.50 R☉ (circles scaled linearly by radius)

Sun

1.0 R☉ baseline

TOI-558

1.50 R☉

System Layout

Known planets

1 planets linked to this host

TOI-558 b

Transit

◌

Discovery

2021

Period

14.57 days

Radius

12.17 R⊕

Mass

1147.4 M⊕

Eq. Temp

1061 K

TOI-558 and Its Jupiter-Like Planet

TOI-558 is a main-sequence F-type dwarf star 1310 light-years away, and one planet orbits it. The star is 1.79 billion years old, holds 1.35 solar masses, spans 1.5 solar radii, and has a temperature of 6470 K. Its reported mass, radius, and temperature are all larger or hotter than the Sun's.

The single known planet, TOI-558 b, was found by the transit method in 2021. It completes one orbit every 14.6 days. With a radius of 12.2 Earth radii, it falls into the Jupiter-like size class, which covers planets exceeding 4 times Earth's radius; its reported radius is larger than Earth's. TOI-558 b's mass estimate of 1150 Earth masses is also larger than Earth's and is roughly 3.61 times Jupiter's mass. Its mean density is 3.5 g/cm³, 0.636 times Earth's.

Provenance

Underlying measurements and references

Download JSONDownload CSV

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

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

3 values • 3 distinct

Metallicitydisputed

2 values • 2 distinct

Spectral Typestable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
64661.351.501.790.55F V402.6Ikwut-Ukwa et al. 2022TICv8
6025.81.121.76—0.57—402.6TICv8TICv8
6025.8—1.76———402.6ExoFOPTICv8