MOA 2023-BLG-191

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Event Parameters

Internal ID:	gb18-R-1-22182
Discovery date:	2023-05-15T09:57:55
RA:	18:11:28.71
Dec:	-25:00:30.49
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
98837	18:11:28.64	-25:00:32.02	18.80 ± 0.11	2.71
98891	18:11:28.76	-25:00:29.55	15.61 ± 0.03	0.40
98962	18:11:29.03	-25:00:31.03	18.82 ± 0.07	4.14

Last 5 photometry measurements

Observation date	I mag	seeing
2460244.901 (2023-Oct-27.401)	15.60 ± 0.02	3.96
2460245.862 (2023-Oct-28.362)	15.59 ± 0.02	4.11
2460245.898 (2023-Oct-28.398)	15.58 ± 0.02	3.76
2460246.861 (2023-Oct-29.361)	15.61 ± 0.02	4.05
2460246.902 (2023-Oct-29.402)	15.60 ± 0.02	3.88

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 52239.62)

Single lens fit parameters

t_max	=	JD 2460086.40	±	0.02 UT (2023-May-21.90)
t_E	=	0.96	±	0.01 days
u₀	=	8.5051	±	0.0246
I_base	=	7.66	±	0.11

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice