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Stellar HostProfile

18 Del

G6 III • 76.22 pc

Records

8

literature rows

Planets

1

system count

References

9

distinct source labels

HIP: HIP 103527TIC: TIC 354489950HD: HD 199665

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

5064.4 K

4979 to 5083.8

6 values • 6 distinct

Mass

2.10 Msun

2 to 2.33

5 values • 4 distinct

Radius

8 Rsun

7.82 to 8.80

5 values • 5 distinct

Age

1.10 Gyr

single adopted value

1 values • 1 distinct

Luminosity

1.60 log(Lsun)

1.58 to 1.63

3 values • 3 distinct

Distance

76.22 pc

single adopted value

8 values • 1 distinct

Spectral Type

G6 III

Multiple classifications reported

G6 III (3), K0 (1)

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 8 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

18 Del

8 R☉

System Layout

Known planets

1 planets linked to this host

18 Del b

Radial Velocity

Discovery

2008

Period

982.9 days

Radius

Mass

2926.2 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

8

Stellar refs

8

System refs

1

Distancestable

8 values • 1 distinct

Parallaxstable

8 values • 1 distinct

Temperaturedisputed

6 values • 6 distinct

Massdisputed

5 values • 4 distinct

Radiusdisputed

5 values • 5 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

3 values • 3 distinct

Metallicitydisputed

5 values • 5 distinct

Spectral Typedisputed

4 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
K076.22Cannon & Pickering 1918TICv8
2.1076.22Kunitomo et al. 2011TICv8
5074.97.8276.22TICv8TICv8
5083.87.911.5876.22Gaia DR2TICv8
49792.308.501.60G6 III76.22Sato et al. 2008TICv8
5054281.10G6 III76.22Baines et al. 2009TICv8
49802.108.801.63G6 III76.22Teng et al. 2023TICv8
50762.3376.22Mortier et al. 2013TICv8