MOA 2023-BLG-418

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Event Parameters

Internal ID:	gb12-R-8-16903
Discovery date:	2023-09-07T12:57:16
RA:	18:08:31.54
Dec:	-31:01:31.91
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
113988	18:08:31.78	-31:01:29.96	17.68 ± 0.09	4.60
114087	18:08:31.62	-31:01:32.40	17.93 ± 0.12	1.69
114186	18:08:31.43	-31:01:32.27	18.28 ± 0.07	0.94
114262	18:08:31.28	-31:01:33.94	17.60 ± 0.04	3.30

Last 5 photometry measurements

Observation date	I mag	seeing
2460244.915 (2023-Oct-27.415)	17.95 ± 0.17	4.33
2460245.869 (2023-Oct-28.369)	18.47 ± 0.16	3.33
2460245.912 (2023-Oct-28.412)	18.26 ± 0.16	3.39
2460246.868 (2023-Oct-29.368)	18.44 ± 0.18	3.71
2460246.916 (2023-Oct-29.416)	18.52 ± 0.19	3.41

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 4429.96)

Single lens fit parameters

t_max	=	JD 2460194.95	±	0.00 UT (2023-Sep-7.45)
t_E	=	35.19	±	8.18 days
u₀	=	0.0078	±	0.0025
I_base	=	21.37	±	0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice