KMT-2024-BLG-1209L Overview

KMT-2024-BLG-1209L

KMT-2024-BLG-1209L b

Overview System Parameters Nearby Data Legend

Architecture: KMT-2024-BLG-1209L; KMT-2024-BLG-1209L

Other Data: Bibliography 1; Nearby Data 3

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
KMT-2024-BLG-1209L	KMT-2024-BLG-1209L b	Microlensing	2025	Han et al. 2025	Confirmed Planet

KMT-2024-BLG-1209L Stellar Parameters (2 Solutions)

RA: 17h26m27.11s

Dec: -28d07m14.02s

Distance: 3930+2030-1410
pc

Parallax: ---

Ecliptic Latitude: -4.897 deg

Ecliptic Longitude: 262.57779 deg

Galactic Latitude: 3.9868 deg

Galactic Longitude: 358.41967 deg

Total Proper Motion: ---

Proper Motion (RA): ---

Proper Motion (Dec): ---

Photometry

Tools: IRSA Finding Chart; Stellar Hosts

Source	Han et al. 2025	Han et al. 2025
M_✶ (M_⦿)	0.770+0.460-0.340	0.770+0.460-0.340
Sp. T	K3 V	K3 V

KMT-2024-BLG-1209L b Planetary Parameters (2 Solutions)

Status: Confirmed Planet
Detected By: Microlensing

Tools: Microlensing

Source	Han et al. 2025	Han et al. 2025
M_p (M_⨁)	839+499-369	839+499-369
M_p (M_Jup)	2.64+1.57-1.16	2.64+1.57-1.16
a (au)	2.51+1.50-1.10	3.92+2.03-1.41

Nearby Data (3 Data Types within 30 arcseconds)

Known Objects: 1 Confirmed Planets; 28 2MASS Point Source Catalog

Data Files: 1 Associated Literature Data

Bibliography (1 References)

MOA-2022-BLG-091Lb and KMT-2024-BLG-1209Lb: Microlensing planets detected through weak caustic-crossing signals
Han et al. 2025 | Reference Overview

System

Star

Confirmed

Candidate

False Positive Planet

Controversial

False Positive

Aliases

Data Access

Transit Prediction Service

Time Series

Kepler | K2

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