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Stellar HostProfile

HAT-P-57

A8 V • 279.9 pc

Records

5

literature rows

Planets

1

system count

References

6

distinct source labels

TIC: TIC 317520667

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

6848 K

6330 to 7500

5 values • 4 distinct

Mass

1.48 Msun

1.47 to 2.77

3 values • 3 distinct

Radius

1.52 Rsun

1.50 to 1.85

5 values • 4 distinct

Age

1 Gyr

single adopted value

1 values • 1 distinct

Luminosity

0.66 log(Lsun)

0.59 to 0.81

3 values • 3 distinct

Distance

279.9 pc

single adopted value

5 values • 1 distinct

Spectral Type

A8 V

Consistent across records

A8 V (1)

Planets

1

Stable across source rows

1

System Layout

Known planets

1 planets linked to this host

HAT-P-57 b

Transit

Discovery

2015

Period

2.47 days

Radius

19.50 R⊕

Mass

448.1 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

5

Stellar refs

5

System refs

1

Distancestable

5 values • 1 distinct

Parallaxstable

5 values • 1 distinct

Temperaturedisputed

5 values • 4 distinct

Massdisputed

3 values • 3 distinct

Radiusdisputed

5 values • 4 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

4 values • 3 distinct

Metallicitystable

2 values • 1 distinct

Spectral Typestable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
68481.481.520.66279.9TICv8TICv8
6549.41.540.59279.9Gaia DR2TICv8
68481.52279.9ExoFOPTICv8
63302.771.85279.9Stassun et al. 2017TICv8
75001.471.5010.81A8 V279.9Hartman et al. 2015TICv8