←Back to Stellar Hosts
Stellar HostProfile

Qatar-4

K1 V • 329.0 pc

Records

4

literature rows

Planets

1

system count

References

5

distinct source labels

TIC: TIC 440113053

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

5090 K

4953.7 to 5215

4 values • 3 distinct

Mass

0.87 Msun

0.85 to 0.90

2 values • 2 distinct

Radius

0.83 Rsun

0.82 to 0.85

4 values • 3 distinct

Age

0.17 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-0.39 log(Lsun)

-0.40 to -0.32

3 values • 3 distinct

Distance

329.0 pc

single adopted value

4 values • 1 distinct

Spectral Type

K1 V

Consistent across records

K1 V (1)

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 0.83 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

Qatar-4

0.83 R☉

System Layout

Known planets

1 planets linked to this host

Qatar-4 b

Transit

◌

Discovery

2017

Period

1.81 days

Radius

—

Mass

—

Eq. Temp

—

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 • 3 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
5090—0.82———329.0ExoFOPTICv8
52150.900.850.17-0.32K1 V329.0Alsubai et al. 2017TICv8
50900.850.82—-0.39—329.0TICv8TICv8
4953.7—0.85—-0.40—329.0Gaia DR2TICv8