MOA 2023-BLG-422

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Event Parameters

Internal ID:	gb5-R-2-150406
Discovery date:	2023-09-08T10:52:27
RA:	17:53:02.47
Dec:	-28:58:16.65
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
26587	17:53:02.29	-28:58:14.23	17.77 ± 0.05	3.65
26624	17:53:02.43	-28:58:13.46	17.62 ± 0.06	2.98
26651	17:53:02.53	-28:58:17.55	15.13 ± 0.03	1.56
26697	17:53:02.66	-28:58:12.54	18.00 ± 0.07	4.10

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	21.45 ± 4.68	3.62
2460246.883 (2023-Oct-29.383)	19.41 ± 0.66	3.41
2460246.895 (2023-Oct-29.395)	19.33 ± 0.61	3.28
2460246.905 (2023-Oct-29.405)	19.18 ± 0.44	3.26
2460246.917 (2023-Oct-29.417)	18.34 ± 0.30	3.40

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

Single lens fit parameters

t_max	=	JD 2460197.19	±	0.02 UT (2023-Sep-9.69)
t_E	=	17.62	±	1.48 days
u₀	=	0.0301	±	0.0049
I_base	=	19.10	±	0.18

External data

Gzipped FITS finder chart

All photometry data

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