←Back to Stellar Hosts
Stellar HostProfile

HD 21520

Unclassified star • 79.21 pc

Records

4

literature rows

Planets

1

system count

References

4

distinct source labels

HD: HD 21520HIP: HIP 16038TIC: TIC 404518509

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

5871 K

single adopted value

4 values • 1 distinct

Mass

1.08 Msun

1.06 to 1.09

2 values • 2 distinct

Radius

1.04 Rsun

1.04 to 1.04

4 values • 3 distinct

Age

5.30 Gyr

single adopted value

1 values • 1 distinct

Luminosity

0.06 log(Lsun)

0.06 to 0.07

2 values • 2 distinct

Distance

79.21 pc

single adopted value

4 values • 1 distinct

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 1.04 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

HD 21520

1.04 R☉

System Layout

Known planets

1 planets linked to this host

HD 21520 b

Transit

◌

Discovery

2024

Period

25.13 days

Radius

2.70 R⊕

Mass

17.70 M⊕

Eq. Temp

637 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

4

Stellar refs

3

System refs

1

Distancestable

4 values • 1 distinct

Parallaxstable

4 values • 1 distinct

Temperaturestable

4 values • 1 distinct

Massdisputed

2 values • 2 distinct

Radiusdisputed

4 values • 3 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

4 values • 2 distinct

Metallicitystable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
58711.061.04—0.06—79.21TICv8TICv8
58711.091.045.300.07—79.21Nies et al. 2024TICv8
5871—1.04———79.21ExoFOPTICv8
5871—1.04———79.21ExoFOPTICv8