Temperature
5578 K
5491 to 5645
G5 • 39.62 pc
Records
19
literature rows
Planets
2
system count
References
19
distinct source labels
Approximate color
from effective temperature
Canonical Summary
Numeric fields use the median of non-null measurements. Disagreement stays visible through ranges, counts, and provenance.
Temperature
5578 K
5491 to 5645
Mass
1.00 Msun
0.96 to 1.06
Radius
1.59 Rsun
1.39 to 1.71
Age
10.04 Gyr
9 to 11.08
Luminosity
0.38 log(Lsun)
0.25 to 0.38
Distance
39.62 pc
single adopted value
Spectral Type
G5
Multiple classifications reported
Planets
2
Stable across source rows
Scale Comparison
Current adopted radius: 1.59 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
HD 168443
1.59 R☉
System Layout
2 planets linked to this host
Radial Velocity
Discovery
2000
Period
1749.5 days
Radius
—
Mass
5752.5 M⊕
Eq. Temp
—
Radial Velocity
Discovery
1998
Period
58.11 days
Radius
—
Mass
2548.9 M⊕
Eq. Temp
—
Provenance
Evidence Summary
Rows
19
Stellar refs
18
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | — | — | — | — | G6 V | 39.62 | Gray et al. 2006 | TICv8 |
| 5645 | 1.05 | 1.39 | 9 | 0.25 | — | 39.62 | Ghezzi et al. 2010 | TICv8 |
| 5578 | — | 1.66 | — | 0.38 | — | 39.62 | Gaia DR2 | TICv8 |
| — | 1.01 | 1.52 | 11.08 | — | — | 39.62 | Takeda et al. 2007 | TICv8 |
| 5551 | 0.98 | 1.68 | — | 0.38 | — | 39.62 | TICv8 | TICv8 |
| — | — | — | — | — | — | 39.62 | Valenti & Fischer 2005 | TICv8 |
| 5491 | 0.99 | 1.51 | — | — | G5 | 39.62 | Pilyavsky et al. 2011 | TICv8 |
| — | — | — | — | — | — | 39.62 | Nordstrom et al. 2004 | TICv8 |
| — | — | — | — | — | — | 39.62 | Nidever et al. 2002 | TICv8 |
| — | — | — | — | — | G6 V | 39.62 | Michigan Catalog, Vol. 5 | TICv8 |
| — | 1.06 | — | — | — | — | 39.62 | An et al. 2025 | TICv8 |
| 5600 | 0.96 | — | — | — | — | 39.62 | Santos et al. 2003 | TICv8 |
| — | 1.06 | — | — | — | — | 39.62 | An et al. 2025 | TICv8 |
| — | 0.98 | — | — | — | — | 39.62 | Feng et al. 2022 | TICv8 |
| — | — | — | — | — | G5 | 39.62 | Wittenmyer et al. 2007 | TICv8 |
| 5617 | 0.96 | — | — | — | — | 39.62 | Santos et al. 2004 | TICv8 |
| — | — | — | — | — | G5 | 39.62 | Cannon & Pickering 1918 | TICv8 |
| — | — | — | — | — | — | 39.62 | Wright et al. 2004 | TICv8 |
| 5530.0 | 1.04 | 1.71 | — | — | — | 39.62 | Rosenthal et al. 2021 | TICv8 |