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Stellar HostProfile

HD 17156

G5 • 78.09 pc

Records

13

literature rows

Planets

1

system count

References

14

distinct source labels

HD: HD 17156TIC: TIC 302773669HIP: HIP 13192

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

6046 K

5925 to 6100

11 values • 7 distinct

Mass

1.26 Msun

1.10 to 1.41

10 values • 9 distinct

Radius

1.50 Rsun

1.24 to 1.58

12 values • 10 distinct

Age

3.37 Gyr

2.80 to 5.70

7 values • 6 distinct

Luminosity

0.43 log(Lsun)

0.39 to 0.44

6 values • 6 distinct

Distance

78.09 pc

single adopted value

13 values • 1 distinct

Spectral Type

G5

Multiple classifications reported

G5 (2), G0 V (1)

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 1.50 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

HD 17156

1.50 R☉

System Layout

Known planets

1 planets linked to this host

HD 17156 b

Radial Velocity

Discovery

2007

Period

21.22 days

Radius

12.33 R⊕

Mass

1115.6 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

13

Stellar refs

13

System refs

1

Distancestable

13 values • 1 distinct

Parallaxstable

13 values • 1 distinct

Temperaturedisputed

11 values • 7 distinct

Massdisputed

10 values • 9 distinct

Radiusdisputed

12 values • 10 distinct

Agedisputed

7 values • 6 distinct

Luminositydisputed

6 values • 6 distinct

Surface Gravitydisputed

8 values • 8 distinct

Metallicitydisputed

8 values • 6 distinct

Spectral Typedisputed

3 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
60401.411.5578.09Stassun et al. 2017TICv8
61001.241.442.800.4178.09Barbieri et al. 2009TICv8
59251.580.4478.09Gaia DR2TICv8
60791.201.475.700.41G0 V78.09Fischer et al. 2007TICv8
59691.101.550.4478.09TICv8TICv8
G578.09Cannon & Pickering 1918TICv8
60791.301.492.8078.09Southworth 2011TICv8
60791.271.503.3778.09Bonomo et al. 2017TICv8
60461.281.523.300.4478.09Kane et al. 2023TICv8
1.271.513.3878.09Nutzman et al. 2011TICv8
60841.191.2478.09Mortier et al. 2013TICv8
59691.231.473.460.39G578.09Ment et al. 2018TICv8
59251.5578.09ExoFOPTICv8