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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

System Layout

Known planets

3 planets linked to this host

HD 31527 b

Radial Velocity

Discovery

2019

Period

16.55 days

Radius

Mass

10.47 M⊕

Eq. Temp

HD 31527 d

Radial Velocity

Discovery

2019

Period

271.7 days

Radius

Mass

11.82 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
58980.960.0838.45Sousa et al. 2008TICv8
38.45Valenti & Fischer 2005TICv8
G2 V38.45Michigan Catalog, Vol. 4TICv8
59221.070.1138.45Gaia DR2TICv8
58980.960.08G2 V38.45Udry et al. 2019TICv8
G0 V38.45Gray et al. 2006TICv8
38.45Nordstrom et al. 2004TICv8
5909.61.071.080.1138.45TICv8TICv8
591538.45Tsantaki et al. 2014TICv8
G038.45Cannon & Pickering 1918TICv8