←Back to Stellar Hosts
Stellar HostProfile

GQ Lup

Unclassified star • 151.2 pc

Records

5

literature rows

Planets

1

system count

References

6

distinct source labels

TIC: TIC 442623945

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: Gaia DR2 • System source: TICv8

Temperature

4092.6 K

4092.6 to 4416

3 values • 3 distinct

Radius

1.83 Rsun

1.83 to 1.94

2 values • 2 distinct

Luminosity

-0.07 log(Lsun)

single adopted value

1 values • 1 distinct

Distance

151.2 pc

single adopted value

5 values • 1 distinct

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 1.83 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

GQ Lup

1.83 R☉

System Layout

Known planets

1 planets linked to this host

GQ Lup b

Imaging

◌

Discovery

2004

Period

—

Radius

33.60 R⊕

Mass

6356 M⊕

Eq. Temp

2650 K

GQ Lup and Its Giant Planet

GQ Lup is a star 493 light-years away with a spectral type of K7e V(Li) and a temperature of 4090 K, cooler than the Sun. Its radius is 1.83 solar radii, larger than the Sun's.

One planet orbits GQ Lup. GQ Lup b is a Jupiter-like planet discovered by imaging in 2004. Its radius is 33.6 Earth radii, larger than Earth's, and its mass is 6360 Earth masses, larger than Earth's and roughly 20 times Jupiter's mass. Its mean density is 0.923 g/cm³, 0.168 times Earth's. No orbital period is reported for GQ Lup b.

Provenance

Underlying measurements and references

Download JSONDownload CSV

Evidence Summary

Rows

5

Stellar refs

5

System refs

1

Distancestable

5 values • 1 distinct

Parallaxstable

5 values • 1 distinct

Temperaturedisputed

3 values • 3 distinct

Massstable

1 values • 1 distinct

Radiusdisputed

2 values • 2 distinct

Agestable

1 values • 1 distinct

Luminositystable

1 values • 1 distinct

Surface Gravitystable

1 values • 1 distinct

Metallicitystable

1 values • 1 distinct

Spectral Typedisputed

2 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
—0.70—1.00e-3—K7e V151.2Neuhauser et al. 2005TICv8
4416—————151.2Swastik et al. 2021TICv8
—————K7e V(Li)151.2Herbig 1977TICv8
4092.6—1.83—-0.07—151.2Gaia DR2TICv8
4360—1.94———151.2TICv8TICv8