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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

TIC: TIC 302773669HD: HD 17156HIP: 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

System Layout

Known planets

1 planets linked to this host

HD 17156 b

Radial Velocity

Discovery

2007

Period

21.22 days

Radius

12.18 R⊕

Mass

1028.2 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
59251.5578.09ExoFOPTICv8
1.271.513.3878.09Nutzman et al. 2011TICv8
60841.191.2478.09Mortier et al. 2013TICv8
60461.281.523.300.4478.09Kane et al. 2023TICv8
59691.101.550.4478.09TICv8TICv8
60791.301.492.8078.09Southworth 2011TICv8
59251.580.4478.09Gaia DR2TICv8
60791.201.475.700.41G0 V78.09Fischer et al. 2007TICv8
61001.241.442.800.4178.09Barbieri et al. 2009TICv8
60791.271.503.3778.09Bonomo et al. 2017TICv8
59691.231.473.460.39G578.09Ment et al. 2018TICv8
G578.09Cannon & Pickering 1918TICv8
60401.411.5578.09Stassun et al. 2017TICv8