MOA 2023-BLG-187

Event Parameters

Internal ID:gb5-R-7-223208
Discovery date:2023-05-14T21:50:44
RA:17:54:11.38
Dec:-29:43:46.49
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
160264 17:54:11.64 -29:43:45.83 17.19 ± 0.17 4.28
160367 17:54:11.39 -29:43:44.70 18.20 ± 0.30 2.58
160413 17:54:11.40 -29:43:46.94 18.62 ± 0.27 0.92
160435 17:54:11.28 -29:43:49.66 16.02 ± 0.16 2.78
160486 17:54:11.20 -29:43:44.31 16.32 ± 0.14 3.40

Last 5 photometry measurements

Observation dateI magseeing
2460611.907 (2024-Oct-28.407) 17.89 ± 0.36 4.89
2460611.918 (2024-Oct-28.418) 99.99 ± 99.99 5.60
2460614.862 (2024-Oct-31.362) 20.27 ± 5.48 5.57
2460614.868 (2024-Oct-31.368) 14.85 ± 0.31 3.52
2460614.872 (2024-Oct-31.372) 18.20 ± 0.33 4.73

Calibration: I = 27.40 - 2.5 log10(ΔF + 3259.87)

Single lens fit parameters

tmax =JD 2460079.32 ± 0.01 UT (2023-May-14.82)
tE =2.55 ± 0.37 days
u0 =0.1503 ± 0.0272
Ibase =18.78 ± 0.46

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice