Temperature
5467 K
5421 to 5499
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Stellar HostProfile
HD 142022 A
Unclassified star • 34.28 pc
Records
8
literature rows
Planets
1
system count
References
9
distinct source labels
TIC: TIC 290493086HD: HD 142022 AHIP: HIP 79242
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: Ghezzi et al. 2010 • System source: TICv8
Mass
1 Msun
0.90 to 1
Radius
1.01 Rsun
1.01 to 1.04
Age
7 Gyr
single adopted value
Luminosity
-0.09 log(Lsun)
-0.09 to 4.32e-3
Distance
34.28 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 1.01 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
HD 142022 A
1.01 R☉
System Layout
Known planets
1 planets linked to this host
HD 142022 A b
Radial Velocity
◌
Discovery
2005
Period
1928 days
Radius
—
Mass
1411.2 M⊕
Eq. Temp
—
HD 142022 A and Its Planet
HD 142022 A is a G9 IV-V star 112 light-years away. Its mass is 1 solar masses, its radius is 1.01 solar radii, its temperature is 5470 K, and its age is 7 billion years. One planet orbits this host, though the wider system contains two stars. The star's reported temperature is cooler than the Sun's.
That planet, HD 142022 A b, was discovered in 2005 using the radial velocity method, which measures the wobble a planet's gravity induces in its star's motion. Its minimum mass is 1410 Earth masses, a lower bound on its true mass that is larger than Earth's and roughly 4.44 times Jupiter's mass. It completes one orbit in 1930 days.
Provenance
Underlying measurements and references
Evidence Summary
Rows
8
Stellar refs
8
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agestable
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
Spectral Typedisputed
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | — | — | — | — | G9 IV-V | 34.28 | Gray et al. 2006 | TICv8 |
| 5499 | 0.99 | — | — | 4.32e-3 | K0 | 34.28 | Eggenberger et al. 2006 | TICv8 |
| — | — | — | — | — | — | 34.28 | Nordstrom et al. 2004 | TICv8 |
| 5497.8 | 0.96 | 1.04 | — | -0.05 | — | 34.28 | TICv8 | TICv8 |
| 5421 | 0.90 | 1.04 | — | — | — | 34.28 | Stassun et al. 2017 | TICv8 |
| 5499 | 0.98 | — | — | — | G9 IV-V | 34.28 | Xiao et al. 2023 | TICv8 |
| 5487 | — | 1.04 | — | -0.05 | — | 34.28 | Gaia DR2 | TICv8 |
| 5467 | 1 | 1.01 | 7 | -0.09 | — | 34.28 | Ghezzi et al. 2010 | TICv8 |