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Stellar HostProfile

HD 31527

G2 V • 38.45 pc

Records

10

literature rows

Planets

3

system count

References

11

distinct source labels

HD: HD 31527TIC: TIC 146322354HIP: HIP 22905

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

5909.6 K

5898 to 5922

5 values • 4 distinct

Mass

0.96 Msun

0.96 to 1.07

3 values • 3 distinct

Radius

1.08 Rsun

1.07 to 1.08

2 values • 2 distinct

Luminosity

0.09 log(Lsun)

0.08 to 0.11

4 values • 4 distinct

Distance

38.45 pc

single adopted value

10 values • 1 distinct

Spectral Type

G2 V

Multiple classifications reported

G2 V (2), G0 (1), G0 V (1)

Planets

3

Stable across source rows

3

Scale Comparison

Radius against the Sun

Current adopted radius: 1.08 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

HD 31527

1.08 R☉

System Layout

Known planets

3 planets linked to this host

HD 31527 d

Radial Velocity

Discovery

2019

Period

271.7 days

Radius

Mass

11.82 M⊕

Eq. Temp

HD 31527 b

Radial Velocity

Discovery

2019

Period

16.55 days

Radius

Mass

10.47 M⊕

Eq. Temp

HD 31527 c

Radial Velocity

Discovery

2019

Period

51.21 days

Radius

Mass

14.16 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

5 values • 4 distinct

Massdisputed

3 values • 3 distinct

Radiusdisputed

2 values • 2 distinct

Luminositydisputed

4 values • 4 distinct

Surface Gravitydisputed

4 values • 3 distinct

Metallicitydisputed

4 values • 2 distinct

Spectral Typedisputed

4 values • 3 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
38.45Valenti & Fischer 2005TICv8
58980.960.0838.45Sousa et al. 2008TICv8
591538.45Tsantaki et al. 2014TICv8
5909.61.071.080.1138.45TICv8TICv8
38.45Nordstrom et al. 2004TICv8
58980.960.08G2 V38.45Udry et al. 2019TICv8
G2 V38.45Michigan Catalog, Vol. 4TICv8
G0 V38.45Gray et al. 2006TICv8
59221.070.1138.45Gaia DR2TICv8
G038.45Cannon & Pickering 1918TICv8