Temperature
4533 K
4504 to 4621.8
K1 IIIb • 20.21 pc
Records
9
literature rows
Planets
1
system count
References
9
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
4533 K
4504 to 4621.8
Mass
1.50 Msun
1.33 to 3.13
Radius
14.55 Rsun
13.90 to 15.21
Luminosity
1.93 log(Lsun)
single adopted value
Distance
20.21 pc
single adopted value
Spectral Type
K1 IIIb
Multiple classifications reported
Planets
1
Stable across source rows
Scale Comparison
Current adopted radius: 14.55 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
alf Ari
14.55 R☉
System Layout
1 planets linked to this host
Radial Velocity
Discovery
2010
Period
380.8 days
Radius
—
Mass
572.1 M⊕
Eq. Temp
—
Provenance
Evidence Summary
Rows
9
Stellar refs
8
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 4504 | 3.13 | 15.21 | — | 1.93 | K2III | 20.21 | Turnbull 2015 | TICv8 |
| — | — | — | — | — | — | 20.21 | Duncan et al. 1991 | TICv8 |
| 4553 | 1.50 | 13.90 | — | — | — | 20.21 | Lee et al. 2011 | TICv8 |
| — | — | — | — | — | K1 IIIb | 20.21 | Gray et al. 2003 | TICv8 |
| — | — | — | — | — | K2 | 20.21 | Cannon & Pickering 1918 | TICv8 |
| 4513 | 1.33 | — | — | — | — | 20.21 | Mortier et al. 2013 | TICv8 |
| — | — | — | — | — | K2 IIIab | 20.21 | Garrison & Beattie 1998 | TICv8 |
| — | — | — | — | — | — | 20.21 | Duncan et al. 1991 | TICv8 |
| 4621.8 | — | — | — | — | — | 20.21 | TICv8 | TICv8 |