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Stellar HostProfile

HAT-P-18

K2 • 161.4 pc

Records

7

literature rows

Planets

1

system count

References

8

distinct source labels

TIC: TIC 21744120

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

4803 K

4790 to 4870

6 values • 4 distinct

Mass

0.77 Msun

0.77 to 0.77

5 values • 2 distinct

Radius

0.74 Rsun

0.72 to 0.75

6 values • 4 distinct

Age

12.40 Gyr

single adopted value

2 values • 1 distinct

Luminosity

-0.59 log(Lsun)

-0.59 to -0.57

3 values • 3 distinct

Distance

161.4 pc

single adopted value

7 values • 1 distinct

Spectral Type

K2

Consistent across records

K2 (1)

Planets

1

Stable across source rows

1

System Layout

Known planets

1 planets linked to this host

HAT-P-18 b

Transit

Discovery

2010

Period

5.51 days

Radius

10.73 R⊕

Mass

Eq. Temp

768.0 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

7

Stellar refs

7

System refs

1

Distancestable

7 values • 1 distinct

Parallaxstable

7 values • 1 distinct

Temperaturedisputed

6 values • 4 distinct

Massdisputed

5 values • 2 distinct

Radiusdisputed

6 values • 4 distinct

Agestable

2 values • 1 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

4 values • 3 distinct

Metallicitydisputed

5 values • 2 distinct

Spectral Typestable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
47900.74161.4ExoFOPTICv8
48030.770.7512.40-0.57K2161.4Hartman et al. 2011TICv8
48700.770.72161.4Esposito et al. 2014TICv8
47900.770.74-0.59161.4TICv8TICv8
48030.770.7512.40161.4Bonomo et al. 2017TICv8
4804.20.73-0.59161.4Gaia DR2TICv8
0.77161.4Knutson et al. 2014TICv8