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Stellar HostProfile

Qatar-9

K5 V • 213.8 pc

Records

4

literature rows

Planets

1

system count

References

5

distinct source labels

TIC: TIC 149918151

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

4271.5 K

4234 to 4314.8

4 values • 3 distinct

Mass

0.69 Msun

0.66 to 0.72

2 values • 2 distinct

Radius

0.74 Rsun

0.70 to 0.77

4 values • 4 distinct

Age

7.50 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-0.79 log(Lsun)

-0.82 to -0.77

3 values • 3 distinct

Distance

213.8 pc

single adopted value

4 values • 1 distinct

Spectral Type

K5 V

Consistent across records

K5 V (1)

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 0.74 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

Qatar-9

0.74 R☉

System Layout

Known planets

1 planets linked to this host

Qatar-9 b

Transit

◌

Discovery

2019

Period

1.54 days

Radius

13.37 R⊕

Mass

—

Eq. Temp

1061 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

4

Stellar refs

4

System refs

1

Distancestable

4 values • 1 distinct

Parallaxstable

4 values • 1 distinct

Temperaturedisputed

4 values • 3 distinct

Massdisputed

2 values • 2 distinct

Radiusdisputed

4 values • 4 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

3 values • 3 distinct

Metallicitystable

1 values • 1 distinct

Spectral Typestable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
43090.720.707.50-0.82K5 V213.8Alsubai et al. 2019TICv8
42340.660.77—-0.77—213.8TICv8TICv8
4314.8—0.72—-0.79—213.8Gaia DR2TICv8
4234—0.77———213.8ExoFOPTICv8