MOA 2023-BLG-203

Event Parameters

Internal ID:gb6-R-6-43619
Discovery date:2023-05-22T14:00:11
RA:17:55:07.91
Dec:-28:11:23.01
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
61409 17:55:08.20 -28:11:22.79 19.58 ± 0.15 4.77
61505 17:55:08.03 -28:11:20.81 17.27 ± 0.09 3.71
61601 17:55:07.88 -28:11:23.21 16.77 ± 0.07 0.48
61673 17:55:07.74 -28:11:27.10 19.09 ± 0.09 4.04

Last 5 photometry measurements

Observation dateI magseeing
2460599.877 (2024-Oct-16.377) 16.66 ± 0.03 2.46
2460602.901 (2024-Oct-19.401) 16.68 ± 0.03 3.30
2460610.891 (2024-Oct-27.391) 16.72 ± 0.06 5.22
2460611.895 (2024-Oct-28.395) 16.70 ± 0.05 4.39
2460614.896 (2024-Oct-31.396) 17.28 ± 0.22 5.85

Calibration: I = 27.40 - 2.5 log10(ΔF + 17815.58)

Single lens fit parameters

tmax =JD 2460097.14 ± 0.05 UT (2023-Jun-1.64)
tE =19.07 ± 1.20 days
u0 =0.5923 ± 0.0527
Ibase =16.53 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice