MOA 2018-BLG-223

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Event Parameters

Internal ID:	gb4-R-9-72214
Discovery date:	2018-07-04T11:57:50
RA:	17:54:17.53
Dec:	-30:34:09.59
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
52627	17:54:17.81	-30:34:09.16	17.57 ± 0.05	4.47
52732	17:54:17.50	-30:34:10.01	17.98 ± 0.06	0.23
52757	17:54:17.42	-30:34:06.51	18.06 ± 0.06	3.92
52791	17:54:17.36	-30:34:09.00	17.94 ± 0.05	2.10

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	18.25 ± 0.22	3.63
2460246.898 (2023-Oct-29.398)	18.11 ± 0.14	3.29
2460246.909 (2023-Oct-29.409)	18.40 ± 0.33	3.65
2460246.920 (2023-Oct-29.420)	18.37 ± 0.27	3.88
2460246.929 (2023-Oct-29.429)	18.08 ± 0.26	3.82

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 5834.45)

Single lens fit parameters

t_max	=	JD 2458320.96	±	0.01 UT (2018-Jul-21.46)
t_E	=	42.42	±	0.21 days
u₀	=	0.2345	±	0.0018
I_base	=	17.57	±	0.20

External data

Gzipped FITS finder chart

All photometry data

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