MOA 2023-BLG-405

Event Parameters

Internal ID:gb8-R-3-43811
Discovery date:2023-08-25T22:33:44
RA:17:59:50.15
Dec:-31:00:00.15
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
83732 17:59:49.98 -31:00:01.12 17.84 ± 0.08 3.30
83787 17:59:50.15 -30:59:59.42 18.49 ± 0.18 0.56
83942 17:59:50.47 -30:59:59.26 18.94 ± 0.17 3.65
83943 17:59:50.45 -30:59:56.82 16.33 ± 0.12 4.40

Last 5 photometry measurements

Observation dateI magseeing
2460610.875 (2024-Oct-27.375) 99.99 ± 99.99 5.38
2460610.904 (2024-Oct-27.404) 22.06 ± 12.26 4.90
2460610.934 (2024-Oct-27.434) 18.30 ± 0.26 4.63
2460611.879 (2024-Oct-28.379) 18.96 ± 0.33 4.19
2460611.916 (2024-Oct-28.416) 99.99 ± 99.99 5.79

Calibration: I = 27.40 - 2.5 log10(ΔF + 3654.26)

Single lens fit parameters

tmax =JD 2460182.08 ± 0.07 UT (2023-Aug-25.58)
tE =18.24 ± 0.87 days
u0 =0.1033 ± 0.0070
Ibase =19.63 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice