MOA 2022-BLG-522

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Event Parameters

Internal ID:	gb17-R-3-36710
Discovery date:	2022-09-20T14:06:09
RA:	18:11:47.36
Dec:	-27:23:50.81
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
191649	18:11:47.27	-27:23:50.31	18.09 ± 0.09	1.82
191732	18:11:47.39	-27:23:49.97	17.05 ± 0.05	0.32
191756	18:11:47.41	-27:23:52.17	18.61 ± 0.18	2.01
191786	18:11:47.47	-27:23:45.90	16.77 ± 0.06	4.55

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.899 (2023-Oct-28.399)	17.06 ± 0.05	2.99
2460245.931 (2023-Oct-28.431)	17.17 ± 0.07	3.34
2460246.862 (2023-Oct-29.362)	16.99 ± 0.05	3.57
2460246.903 (2023-Oct-29.403)	16.92 ± 0.05	3.44
2460246.931 (2023-Oct-29.431)	17.07 ± 0.09	3.68

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 13829.29)

Single lens fit parameters

t_max	=	JD 2459884.33	±	1.62 UT (2022-Oct-31.83)
t_E	=	123.90	±	7.73 days
u₀	=	0.1550	±	0.0136
I_base	=	19.15	±	0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice