MOA 2023-BLG-200

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Event Parameters

Internal ID:	gb8-R-9-39291
Discovery date:	2023-05-21T15:13:22
RA:	18:00:36.46
Dec:	-30:32:29.05
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
68783	18:00:36.72	-30:32:30.37	17.84 ± 0.11	4.10
68932	18:00:36.33	-30:32:31.67	18.54 ± 0.23	2.41
68955	18:00:36.34	-30:32:25.93	15.20 ± 0.02	3.97
69020	18:00:36.21	-30:32:29.62	17.66 ± 0.10	2.74

Last 5 photometry measurements

Observation date	I mag	seeing
2460610.904 (2024-Oct-27.404)	18.44 ± 0.44	5.10
2460610.934 (2024-Oct-27.434)	19.09 ± 0.66	4.77
2460611.879 (2024-Oct-28.379)	20.03 ± 0.98	4.33
2460611.916 (2024-Oct-28.416)	99.99 ± 99.99	5.86
2460614.880 (2024-Oct-31.380)	22.73 ± 24.13	5.21

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

Single lens fit parameters

t_max	=	JD 2460085.54	±	0.01 UT (2023-May-21.04)
t_E	=	17.06	±	1.57 days
u₀	=	0.0000	±	0.0035
I_base	=	20.25	±	0.19

External data

Gzipped FITS finder chart

All photometry data

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