Temperature
5596.8 K
5582.5 to 5605
G5 V • 63.45 pc
Records
10
literature rows
Planets
2
system count
References
11
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
5596.8 K
5582.5 to 5605
Mass
1.72 Msun
0.99 to 1.96
Radius
2.30 Rsun
1.76 to 2.31
Age
5.64 Gyr
single adopted value
Luminosity
0.66 log(Lsun)
0.66 to 0.67
Distance
63.45 pc
single adopted value
Spectral Type
G5 V
Multiple classifications reported
Planets
2
Stable across source rows
Scale Comparison
Current adopted radius: 2.30 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
HD 154857
2.30 R☉
System Layout
2 planets linked to this host
Radial Velocity
Discovery
2014
Period
3452 days
Radius
—
Mass
820.0 M⊕
Eq. Temp
—
Radial Velocity
Discovery
2004
Period
409 days
Radius
—
Mass
570 M⊕
Eq. Temp
—
Provenance
Evidence Summary
Rows
10
Stellar refs
10
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | — | — | — | — | G0 | 63.45 | Cannon & Pickering 1918 | TICv8 |
| 5589 | 1.96 | 2.30 | — | — | — | 63.45 | Stassun et al. 2017 | TICv8 |
| — | — | — | — | — | G5 V | 63.45 | Michigan Catalog, Vol. 1 | TICv8 |
| — | — | — | — | — | — | 63.45 | Nordstrom et al. 2004 | TICv8 |
| 5604.6 | 0.99 | 2.27 | — | 0.66 | — | 63.45 | TICv8 | TICv8 |
| — | 1.72 | 2.31 | 5.64 | — | — | 63.45 | Takeda et al. 2007 | TICv8 |
| — | — | — | — | — | — | 63.45 | Valenti & Fischer 2005 | TICv8 |
| 5582.5 | — | 2.30 | — | 0.67 | — | 63.45 | Gaia DR2 | TICv8 |
| — | — | — | — | — | — | 63.45 | Henry et al. 1996 | TICv8 |
| 5605 | 1.72 | 1.76 | — | — | G5 V | 63.45 | Wittenmyer et al. 2014 | TICv8 |