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Stellar HostProfile

Kapteyn

K2 • 3.93 pc

Records

10

literature rows

Planets

1

system count

References

11

distinct source labels

TIC: TIC 200385493HIP: HIP 24186HD: HD 33793

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

3780.5 K

3550 to 3979.4

4 values • 4 distinct

Mass

0.28 Msun

0.28 to 0.32

3 values • 3 distinct

Radius

0.29 Rsun

0.25 to 0.30

3 values • 3 distinct

Luminosity

-1.90 log(Lsun)

-2 to -1.79

2 values • 2 distinct

Distance

3.93 pc

single adopted value

10 values • 1 distinct

Spectral Type

K2

Multiple classifications reported

K2 (1), M0 V (1), M1.0 (1), M2.0V (1)

Planets

1

Stable across source rows

1

System Layout

Known planets

1 planets linked to this host

Kapteyn c

Radial Velocity

Discovery

2014

Period

121.5 days

Radius

Mass

7 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

10

Stellar refs

10

System refs

1

Distancestable

10 values • 1 distinct

Parallaxstable

10 values • 1 distinct

Temperaturedisputed

4 values • 4 distinct

Massdisputed

3 values • 3 distinct

Radiusdisputed

3 values • 3 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitystable

1 values • 1 distinct

Metallicitystable

1 values • 1 distinct

Spectral Typedisputed

4 values • 4 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
3979.43.93Gaia DR2TICv8
35500.280.293.93Anglada-Escudé et al. 2014TICv8
K23.93Cannon & Pickering 1918TICv8
3.93Nidever et al. 2002TICv8
38190.320.25-2M2.0V3.93Turnbull 2015TICv8
M0 V3.93Michigan Catalog, Vol. 2TICv8
3.93Nordstrom et al. 2004TICv8
M1.03.93Hawley et al. 1996TICv8
3.93Wright et al. 2004TICv8
37420.280.30-1.793.93TICv8TICv8