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Stellar HostProfile

NGTS-21

K3 V • 592.9 pc

Records

3

literature rows

Planets

1

system count

References

4

distinct source labels

TIC: TIC 441422655

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

4650 K

4650 to 4660

3 values • 2 distinct

Mass

0.73 Msun

0.72 to 0.74

2 values • 2 distinct

Radius

0.83 Rsun

0.83 to 0.86

3 values • 2 distinct

Age

10.02 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-0.54 log(Lsun)

single adopted value

1 values • 1 distinct

Distance

592.9 pc

single adopted value

3 values • 1 distinct

Spectral Type

K3 V

Consistent across records

K3 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

NGTS-21

0.83 R☉

System Layout

Known planets

1 planets linked to this host

NGTS-21 b

Transit

◌

Discovery

2022

Period

1.54 days

Radius

13.03 R⊕

Mass

—

Eq. Temp

1214.6 K

Provenance

Underlying measurements and references

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

Luminositystable

1 values • 1 distinct

Surface Gravitydisputed

3 values • 2 distinct

Metallicitystable

1 values • 1 distinct

Spectral Typestable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
46600.720.8610.02—K3 V592.9Alves et al. 2022TICv8
46500.740.83—-0.54—592.9TICv8TICv8
4650—0.83———592.9ExoFOPTICv8