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Stellar HostProfile

HD 128311

K0 • 16.33 pc

Records

20

literature rows

Planets

2

system count

References

21

distinct source labels

HD: HD 128311TIC: TIC 349606708HIP: HIP 71395

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

4950 K

4835 to 5120

9 values • 8 distinct

Mass

0.83 Msun

0.61 to 0.84

12 values • 8 distinct

Radius

0.76 Rsun

0.66 to 0.78

7 values • 5 distinct

Age

0.96 Gyr

0.74 to 6.40

6 values • 5 distinct

Luminosity

-0.51 log(Lsun)

-0.57 to -0.49

4 values • 4 distinct

Distance

16.33 pc

single adopted value

20 values • 1 distinct

Spectral Type

K0

Multiple classifications reported

K0 (3), K0 V (2), K3- V (1)

Planets

2

Stable across source rows

2

System Layout

Known planets

2 planets linked to this host

HD 128311 c

Radial Velocity

Discovery

2005

Period

928.3 days

Radius

Mass

1020.2 M⊕

Eq. Temp

HD 128311 b

Radial Velocity

Discovery

2002

Period

422 days

Radius

Mass

816.8 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

20

Stellar refs

20

System refs

1

Distancestable

20 values • 1 distinct

Parallaxstable

20 values • 1 distinct

Temperaturedisputed

9 values • 8 distinct

Massdisputed

12 values • 8 distinct

Radiusdisputed

7 values • 5 distinct

Agedisputed

6 values • 5 distinct

Luminositydisputed

4 values • 4 distinct

Surface Gravitydisputed

9 values • 7 distinct

Metallicitydisputed

10 values • 7 distinct

Spectral Typedisputed

6 values • 3 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
49170.810.76-0.5216.33TICv8TICv8
K3- V16.33Gray et al. 2003TICv8
49650.83K016.33Wittenmyer et al. 2009TICv8
0.8316.33Rein 2015TICv8
0.840.75K0 V16.33Vogt et al. 2005TICv8
48350.6116.33Santos et al. 2004TICv8
51200.800.661-0.5716.33Ghezzi et al. 2010TICv8
16.33Nidever et al. 2002TICv8
16.33Valenti & Fischer 2005TICv8
49650.830.766.40-0.49K016.33Turnbull 2015TICv8
0.7416.33Sanz-Forcada et al. 2010TICv8
49500.7616.33Santos et al. 2003TICv8
0.80K0 V16.33Butler et al. 2003TICv8
K016.33Cannon & Pickering 1918TICv8
4863.50.78-0.5116.33Gaia DR2TICv8
0.830.760.9616.33McArthur et al. 2014TICv8
498316.33Maldonado et al. 2015TICv8
4931.90.840.7816.33Rosenthal et al. 2021TICv8
16.33Wright et al. 2004TICv8
0.830.760.9616.33Takeda et al. 2007TICv8