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Stellar HostProfile

HAT-P-21

G3 • 277.3 pc

Records

7

literature rows

Planets

1

system count

References

8

distinct source labels

TIC: TIC 17993892

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

5588 K

5566.5 to 5695

7 values • 4 distinct

Mass

1.00 Msun

0.95 to 1.24

5 values • 4 distinct

Radius

1.25 Rsun

1.10 to 1.28

7 values • 6 distinct

Age

10.20 Gyr

7.80 to 10.20

3 values • 2 distinct

Luminosity

0.15 log(Lsun)

0.03 to 0.18

4 values • 4 distinct

Distance

277.3 pc

single adopted value

7 values • 1 distinct

Spectral Type

G3

Consistent across records

G3 (1)

Planets

1

Stable across source rows

1

System Layout

Known planets

1 planets linked to this host

HAT-P-21 b

Transit

Discovery

2010

Period

4.12 days

Radius

Mass

Eq. Temp

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

7 values • 4 distinct

Massdisputed

5 values • 4 distinct

Radiusdisputed

7 values • 6 distinct

Agedisputed

3 values • 2 distinct

Luminositydisputed

4 values • 4 distinct

Surface Gravitydisputed

5 values • 3 distinct

Metallicitydisputed

5 values • 2 distinct

Spectral Typestable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
563411.260.16277.3TICv8TICv8
55880.951.1010.20277.3Bonomo et al. 2017TICv8
55881.241.21277.3Stassun et al. 2017TICv8
56341.26277.3ExoFOPTICv8
5566.51.280.15277.3Gaia DR2TICv8
56951.001.257.800.18277.3Mancini et al. 2022TICv8
55880.951.1010.200.03G3277.3Bakos et al. 2010TICv8