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Stellar HostProfile

HD 42012

K0 • 36.80 pc

Records

4

literature rows

Planets

1

system count

References

5

distinct source labels

HIP: HIP 29242HD: HD 42012TIC: TIC 97724459

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

5379 K

5342.5 to 5405

3 values • 3 distinct

Mass

0.88 Msun

0.83 to 0.93

2 values • 2 distinct

Radius

0.84 Rsun

0.82 to 0.86

3 values • 3 distinct

Age

4.10 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-0.27 log(Lsun)

-0.27 to -0.27

2 values • 2 distinct

Distance

36.80 pc

single adopted value

4 values • 1 distinct

Spectral Type

K0

Consistent across records

K0 (2)

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 0.84 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

HD 42012

0.84 R☉

System Layout

Known planets

1 planets linked to this host

HD 42012 b

Radial Velocity

◌

Discovery

2017

Period

857.5 days

Radius

—

Mass

508.5 M⊕

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

3 values • 3 distinct

Massdisputed

2 values • 2 distinct

Radiusdisputed

3 values • 3 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

2 values • 2 distinct

Metallicitystable

1 values • 1 distinct

Spectral Typestable

2 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
—————K036.80Cannon & Pickering 1918TICv8
5342.5—0.86—-0.27—36.80Gaia DR2TICv8
54050.830.824.10—K036.80Rey et al. 2017TICv8
53790.930.84—-0.27—36.80TICv8TICv8