Temperature
3534 K
3496 to 4117.7
M2 III • 5.91 pc
Records
12
literature rows
Planets
1
system count
References
12
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
3534 K
3496 to 4117.7
Mass
0.46 Msun
0.42 to 0.48
Radius
0.48 Rsun
0.45 to 0.50
Luminosity
-1.51 log(Lsun)
-1.52 to -1.49
Distance
5.91 pc
single adopted value
Spectral Type
M2 III
Multiple classifications reported
Planets
1
Stable across source rows
Scale Comparison
Current adopted radius: 0.48 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
HD 180617
0.48 R☉
System Layout
1 planets linked to this host
Radial Velocity
Discovery
2018
Period
105.9 days
Radius
—
Mass
12.21 M⊕
Eq. Temp
—
Provenance
Evidence Summary
Rows
12
Stellar refs
11
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | — | — | — | — | — | 5.91 | Duncan et al. 1991 | TICv8 |
| 3496 | 0.42 | 0.50 | — | -1.52 | M2.5V | 5.91 | Turnbull 2015 | TICv8 |
| — | — | — | — | — | — | 5.91 | Duncan et al. 1991 | TICv8 |
| — | — | — | — | — | — | 5.91 | Wright et al. 2004 | TICv8 |
| — | — | — | — | — | Ma | 5.91 | Cannon & Pickering 1918 | TICv8 |
| 3534 | 0.48 | 0.48 | — | -1.49 | — | 5.91 | Burt et al. 2021 | TICv8 |
| — | — | — | — | — | — | 5.91 | Nidever et al. 2002 | TICv8 |
| 4117.7 | — | — | — | — | — | 5.91 | Gaia DR2 | TICv8 |
| 3557 | 0.45 | 0.45 | — | -1.49 | M2.5 V | 5.91 | Kaminski et al. 2018 | TICv8 |
| 3499 | 0.47 | 0.47 | — | -1.52 | — | 5.91 | TICv8 | TICv8 |
| — | — | — | — | — | M2 III | 5.91 | Michigan Catalog, Vol. 5 | TICv8 |
| — | — | — | — | — | M2.5 | 5.91 | Hawley et al. 1996 | TICv8 |