MOA 2023-BLG-087

Event Parameters

Internal ID:gb4-R-8-82789
Discovery date:2023-03-29T20:06:58
RA:17:55:48.97
Dec:-31:04:44.50
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
135689 17:55:49.13 -31:04:48.90 17.13 ± 0.10 4.77
135791 17:55:48.93 -31:04:48.27 17.26 ± 0.20 3.28
135840 17:55:48.87 -31:04:41.17 15.06 ± 0.04 4.14
135903 17:55:48.74 -31:04:42.77 15.61 ± 0.09 3.45

Last 5 photometry measurements

Observation dateI magseeing
2460611.899 (2024-Oct-28.399) 17.73 ± 0.32 4.53
2460611.911 (2024-Oct-28.411) 17.63 ± 0.28 4.61
2460611.921 (2024-Oct-28.421) 17.75 ± 0.43 5.07
2460611.930 (2024-Oct-28.430) 17.90 ± 0.47 4.61
2460614.875 (2024-Oct-31.375) 99.99 ± 99.99 5.13

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2460040.83 ± 0.07 UT (2023-Apr-6.33)
tE =22.46 ± 1.31 days
u0 =0.2893 ± 0.0254
Ibase =17.13 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice