MOA 2023-BLG-163

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Event Parameters

Internal ID:	gb9-R-6-58347
Discovery date:	2023-04-29T19:30:00
RA:	18:00:41.20
Dec:	-30:06:21.37
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
139856	18:00:41.45	-30:06:21.96	18.15 ± 0.17	4.00
139919	18:00:41.37	-30:06:20.39	14.48 ± 0.06	3.39
139968	18:00:41.23	-30:06:24.06	17.33 ± 0.07	2.49
140129	18:00:40.88	-30:06:24.53	18.73 ± 0.11	4.55

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.884 (2023-Oct-29.384)	18.57 ± 0.96	3.55
2460246.896 (2023-Oct-29.396)	99.99 ± 99.99	3.25
2460246.906 (2023-Oct-29.406)	99.99 ± 99.99	3.43
2460246.918 (2023-Oct-29.418)	99.99 ± 99.99	3.49
2460246.927 (2023-Oct-29.427)	99.99 ± 99.99	3.49

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

Single lens fit parameters

t_max	=	JD 2460059.23	±	0.02 UT (2023-Apr-24.73)
t_E	=	0.77	±	1.76 days
u₀	=	11.6491	±	8.3342
I_base	=	6.34	±	0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice