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Stellar HostProfile

TOI-198

M0 V • 23.73 pc

Records

7

literature rows

Planets

1

system count

References

8

distinct source labels

HIP: HIP 738TIC: TIC 12421862

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

3782 K

3650 to 3801

5 values • 5 distinct

Mass

0.43 Msun

0.41 to 0.47

4 values • 4 distinct

Radius

0.44 Rsun

0.42 to 0.45

5 values • 4 distinct

Age

3.15 Gyr

1 to 5.30

2 values • 2 distinct

Luminosity

-1.48 log(Lsun)

-1.52 to -1.43

3 values • 3 distinct

Distance

23.73 pc

single adopted value

7 values • 1 distinct

Spectral Type

M0 V

Multiple classifications reported

M0 V (2), M0 (1)

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 0.44 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

TOI-198

0.44 R☉

System Layout

Known planets

1 planets linked to this host

TOI-198 b

Transit

Discovery

2023

Period

10.22 days

Radius

1.40 R⊕

Mass

Eq. Temp

420.9 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

7

Stellar refs

7

System refs

1

Distancestable

7 values • 1 distinct

Parallaxstable

7 values • 1 distinct

Temperaturedisputed

5 values • 5 distinct

Massdisputed

4 values • 4 distinct

Radiusdisputed

5 values • 4 distinct

Agedisputed

2 values • 2 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

4 values • 4 distinct

Metallicitydisputed

2 values • 2 distinct

Spectral Typedisputed

3 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
37630.4523.73ExoFOPTICv8
36500.470.445.30M0 V23.73Oddo et al. 2023TICv8
M023.73Hawley et al. 1996TICv8
M0 V23.73Gray et al. 2006TICv8
37820.440.45-1.4323.73TICv8TICv8
37830.410.42-1.5223.73Turnbull 2015TICv8
38010.420.421-1.4823.73Zapatero Osorio et al. 2026TICv8