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Stellar HostProfile

HD 180617

M2 III • 5.91 pc

Records

12

literature rows

Planets

1

system count

References

12

distinct source labels

HD: HD 180617TIC: TIC 176188045HIP: HIP 94761

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

3534 K

3496 to 4117.7

5 values • 5 distinct

Mass

0.46 Msun

0.42 to 0.48

4 values • 4 distinct

Radius

0.48 Rsun

0.45 to 0.50

4 values • 4 distinct

Luminosity

-1.51 log(Lsun)

-1.52 to -1.49

4 values • 4 distinct

Distance

5.91 pc

single adopted value

12 values • 1 distinct

Spectral Type

M2 III

Multiple classifications reported

M2 III (1), M2.5 (1), M2.5 V (1), M2.5V (1), Ma (1)

Planets

1

Stable across source rows

1

System Layout

Known planets

1 planets linked to this host

HD 180617 b

Radial Velocity

Discovery

2018

Period

105.9 days

Radius

Mass

12.21 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

12

Stellar refs

11

System refs

1

Distancestable

12 values • 1 distinct

Parallaxstable

12 values • 1 distinct

Temperaturedisputed

5 values • 5 distinct

Massdisputed

4 values • 4 distinct

Radiusdisputed

4 values • 4 distinct

Luminositydisputed

4 values • 4 distinct

Surface Gravitydisputed

3 values • 3 distinct

Metallicitydisputed

2 values • 2 distinct

Spectral Typedisputed

5 values • 5 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
5.91Duncan et al. 1991TICv8
34960.420.50-1.52M2.5V5.91Turnbull 2015TICv8
5.91Duncan et al. 1991TICv8
5.91Wright et al. 2004TICv8
Ma5.91Cannon & Pickering 1918TICv8
35340.480.48-1.495.91Burt et al. 2021TICv8
5.91Nidever et al. 2002TICv8
4117.75.91Gaia DR2TICv8
35570.450.45-1.49M2.5 V5.91Kaminski et al. 2018TICv8
34990.470.47-1.525.91TICv8TICv8
M2 III5.91Michigan Catalog, Vol. 5TICv8
M2.55.91Hawley et al. 1996TICv8