MOA 2022-BLG-552

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Event Parameters

Internal ID:	gb1-R-7-31269
Discovery date:	2022-10-13T13:23:13
RA:	17:48:06.26
Dec:	-34:26:34.48
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
87579	17:48:06.39	-34:26:38.04	16.54 ± 0.08	3.82
87603	17:48:06.37	-34:26:32.57	19.07 ± 0.24	3.27
87733	17:48:06.14	-34:26:33.36	15.79 ± 0.05	2.05

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.923 (2023-Oct-28.423)	18.78 ± 0.93	3.57
2460245.937 (2023-Oct-28.437)	17.96 ± 0.58	3.86
2460246.859 (2023-Oct-29.359)	18.91 ± 1.02	3.78
2460246.892 (2023-Oct-29.392)	19.12 ± 1.35	3.64
2460246.926 (2023-Oct-29.426)	18.51 ± 0.84	3.66

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

Single lens fit parameters

t_max	=	JD 2459873.30	±	0.04 UT (2022-Oct-20.80)
t_E	=	64.52	±	6.16 days
u₀	=	0.0307	±	0.0038
I_base	=	19.54	±	0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice