MOA 2022-BLG-109

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Event Parameters

Internal ID:	gb5-R-8-127374
Discovery date:	2022-03-25T16:44:00
RA:	17:56:23.04
Dec:	-29:14:52.36
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
107612	17:56:23.28	-29:14:55.86	18.92 ± 0.26	4.90
107629	17:56:23.21	-29:14:54.51	18.70 ± 0.16	3.31
107807	17:56:22.83	-29:14:50.09	15.67 ± 0.09	3.71
107808	17:56:22.86	-29:14:52.83	16.60 ± 0.13	1.94

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	99.99 ± 99.99	3.84
2460246.883 (2023-Oct-29.383)	20.92 ± 2.05	3.54
2460246.895 (2023-Oct-29.395)	99.99 ± 99.99	3.46
2460246.905 (2023-Oct-29.405)	20.12 ± 1.02	3.45
2460246.917 (2023-Oct-29.417)	99.99 ± 99.99	3.50

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

Single lens fit parameters

t_max	=	JD 2459663.28	±	0.01 UT (2022-Mar-24.78)
t_E	=	11.16	±	0.72 days
u₀	=	0.0312	±	0.0049
I_base	=	19.64	±	0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice