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Stellar HostProfile

Gaia-2

Unclassified star • 209.2 pc

Records

3

literature rows

Planets

1

system count

References

4

distinct source labels

TIC: TIC 147797743

Approximate color

from effective temperature

Canonical Summary

Adopted host values from one source row

Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.

Stellar source: TICv8 • System source: TICv8

Temperature

5720 K

single adopted value

3 values • 1 distinct

Mass

1.02 Msun

1 to 1.02

2 values • 2 distinct

Radius

1.09 Rsun

1.06 to 1.09

3 values • 2 distinct

Luminosity

0.06 log(Lsun)

single adopted value

1 values • 1 distinct

Distance

209.2 pc

single adopted value

3 values • 1 distinct

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 1.09 R☉ (circles scaled linearly by radius)

Sun

1.0 R☉ baseline

Gaia-2

1.09 R☉

System Layout

Known planets

1 planets linked to this host

Gaia-2 b

Transit

◌

Discovery

2022

Period

3.69 days

Radius

14.82 R⊕

Mass

259.7 M⊕

Eq. Temp

—

Gaia-2 and Its Jupiter-Like Planet

Gaia-2 is a star located 682 light-years away, and it hosts one known planet. The star has a mass of 1.02 solar masses, a radius of 1.09 solar radii, and a temperature of 5720 K. Its reported radius estimate is larger than the Sun's.

The planet Gaia-2 b is a Jupiter-like world, a size class that describes a radius exceeding 4 times Earth's radius. It was discovered in 2022 by the transit method, in which a planet passes in front of its star from our viewpoint and causes a small dip in observed brightness.

Gaia-2 b has a mass of 260 Earth masses and a radius of 14.8 Earth radii, both larger than Earth's corresponding values. Its mean density is 0.44 g/cm³, 0.0798 times Earth's. The planet completes an orbit every 3.69 days.

Provenance

Underlying measurements and references

Evidence Summary

Rows

3

Stellar refs

3

System refs

1

Distancestable

3 values • 1 distinct

Parallaxstable

3 values • 1 distinct

Temperaturestable

3 values • 1 distinct

Massdisputed

2 values • 2 distinct

Radiusdisputed

3 values • 2 distinct

Luminositystable

1 values • 1 distinct

Surface Gravitystable

2 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
5720—1.09———209.2ExoFOPTICv8
57201.021.09—0.06—209.2TICv8TICv8
572011.06———209.2Panahi et al. 2022TICv8