MOA 2023-BLG-481

Event Parameters

Internal ID:gb20-R-4-9764
Discovery date:2023-10-19T19:01:27
RA:18:16:03.52
Dec:-24:04:38.03
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
126307 18:16:03.25 -24:04:35.89 15.14 ± 0.04 4.80
126478 18:16:03.57 -24:04:37.28 16.79 ± 0.04 0.17
126585 18:16:03.77 -24:04:36.32 18.83 ± 0.13 3.09

Last 5 photometry measurements

Observation dateI magseeing
2460239.942 (2023-Oct-22.442) 16.18 ± 0.03 3.50
2460244.877 (2023-Oct-27.377) 16.18 ± 0.04 4.50
2460245.871 (2023-Oct-28.371) 16.18 ± 0.02 3.35
2460246.850 (2023-Oct-29.350) 16.19 ± 0.03 3.55
2460246.871 (2023-Oct-29.371) 16.13 ± 0.03 3.46

Calibration: I = 27.40 - 2.5 log10(ΔF + 17538.81)

Single lens fit parameters

tmax =JD 2460258.61 ± 4.56 UT (2023-Nov-10.11)
tE =14.65 ± 54.61 days
u0 =7.7871 ± 6.6092
Ibase =9.63 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice