MOA 2022-BLG-227

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Event Parameters

Internal ID:	gb8-R-1-156092
Discovery date:	2022-05-05T15:59:49
RA:	17:59:30.75
Dec:	-30:23:12.95
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
43050	17:59:30.59	-30:23:12.40	16.06 ± 0.02	2.79
43051	17:59:30.58	-30:23:08.90	17.02 ± 0.03	4.63
43084	17:59:30.67	-30:23:11.04	15.71 ± 0.02	2.22
43249	17:59:31.15	-30:23:11.64	18.68 ± 0.15	4.82

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.888 (2023-Oct-28.388)	18.73 ± 0.25	3.56
2460245.921 (2023-Oct-28.421)	18.68 ± 0.28	3.78
2460246.858 (2023-Oct-29.358)	18.49 ± 0.19	3.76
2460246.891 (2023-Oct-29.391)	18.52 ± 0.21	3.83
2460246.925 (2023-Oct-29.425)	18.46 ± 0.25	3.55

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

Single lens fit parameters

t_max	=	JD 2459706.10	±	0.00 UT (2022-May-6.60)
t_E	=	1021.63	±	705.79 days
u₀	=	0.0000	±	0.0001
I_base	=	25.54	±	0.18

External data

Gzipped FITS finder chart

All photometry data

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