Mass
0.77 Msun
single adopted value
K3 V • 3930 pc
Records
2
literature rows
Planets
1
system count
References
2
distinct source labels
Approximate color
from effective temperature
Canonical Summary
Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.
Stellar source: Han et al. 2025 • System source: Han et al. 2025
Mass
0.77 Msun
single adopted value
Distance
3930 pc
single adopted value
Spectral Type
K3 V
Consistent across records
Planets
1
Stable across source rows
System Layout
1 planets linked to this host
Microlensing
Discovery
2025
Period
—
Radius
—
Mass
839.1 M⊕
Eq. Temp
—
KMT-2024-BLG-1209L is a K3 V star, a main-sequence dwarf in the K spectral class, located roughly 12,800 light-years from Earth. Its mass is 0.77 solar masses. One planet has been reported orbiting this host.
That planet, KMT-2024-BLG-1209L b, was discovered by microlensing in 2025. Its reported mass estimate is 839 Earth masses, which is larger than Earth’s and roughly 2.64 times Jupiter’s mass.
No orbital period is reported for KMT-2024-BLG-1209L b.
Provenance
Evidence Summary
Rows
2
Stellar refs
1
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | 0.77 | — | — | — | K3 V | 3930 | Han et al. 2025 | Han et al. 2025 |
| — | 0.77 | — | — | — | K3 V | 3930 | Han et al. 2025 | Han et al. 2025 |