MOA 2023-BLG-186

Event Parameters

Internal ID:gb5-R-4-142555
Discovery date:2023-05-14T21:50:42
RA:17:52:29.55
Dec:-29:37:45.53
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
40137 17:52:29.30 -29:37:47.21 15.19 ± 0.13 4.58
40258 17:52:29.51 -29:37:49.07 15.84 ± 0.12 4.42
40293 17:52:29.59 -29:37:44.93 18.04 ± 0.18 0.04
40348 17:52:29.68 -29:37:43.25 18.12 ± 0.16 2.14
40462 17:52:29.94 -29:37:46.11 16.87 ± 0.06 4.87

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 17.74 ± 0.18 3.68
2460246.883 (2023-Oct-29.383) 18.16 ± 0.19 3.58
2460246.895 (2023-Oct-29.395) 17.88 ± 0.13 3.35
2460246.905 (2023-Oct-29.405) 18.14 ± 0.19 3.37
2460246.917 (2023-Oct-29.417) 18.04 ± 0.19 3.36

Calibration: I = 27.40 - 2.5 log10(ΔF + 5571.86)

Single lens fit parameters

tmax =JD 2460075.79 ± 0.07 UT (2023-May-11.29)
tE =7.15 ± 0.53 days
u0 =0.0903 ± 0.0271
Ibase =18.83 ± 0.33

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice