Temperature
5738 K
5732.2 to 5783
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Stellar HostProfile
Qatar-8
G0 V • 281.5 pc
Records
4
literature rows
Planets
1
system count
References
5
distinct source labels
TIC: TIC 103751498
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: Alsubai et al. 2019 • System source: TICv8
Mass
1.03 Msun
1.03 to 1.04
Radius
1.31 Rsun
1.31 to 1.34
Age
8.30 Gyr
single adopted value
Luminosity
0.23 log(Lsun)
0.23 to 0.25
Distance
281.5 pc
single adopted value
Spectral Type
G0 V
Consistent across records
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 1.31 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
Qatar-8
1.31 R☉
System Layout
Known planets
1 planets linked to this host
Qatar-8 b
Transit
◌
Discovery
2019
Period
3.71 days
Radius
14.40 R⊕
Mass
117.9 M⊕
Eq. Temp
1457 K
Qatar-8 and Its Lone Planet
Qatar-8 is a Sun-like G-type dwarf star 918 light-years away. It is 8.3 billion years old and has 1.03 solar masses, 1.32 solar radii, and a temperature of 5740 K. The star's reported radius estimate is larger than the Sun's. One planet orbits this host.
That planet is Qatar-8 b, a Jupiter-like world discovered by transit in 2019. Its orbital period is 3.71 days. Its radius is 14.4 Earth radii, larger than Earth's, and its mass is 118 Earth masses, also larger than Earth's. Its mean density is 0.217 g/cm³, 0.0395 times Earth's.
Provenance
Underlying measurements and references
Evidence Summary
Rows
4
Stellar refs
4
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agestable
Luminositydisputed
Surface Gravitydisputed
Metallicitystable
Spectral Typestable