MOA 2021-BLG-428

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Event Parameters

Internal ID:	gb4-R-2-107501
Discovery date:	2021-10-11T11:03:27
RA:	17:52:37.16
Dec:	-30:39:24.15
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
28003	17:52:36.95	-30:39:22.18	13.16 ± 0.09	3.75
28075	17:52:37.20	-30:39:25.37	16.69 ± 0.06	1.88
28076	17:52:37.20	-30:39:22.56	14.67 ± 0.04	1.03

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	14.65 ± 0.01	3.44
2460246.898 (2023-Oct-29.398)	14.65 ± 0.01	3.20
2460246.909 (2023-Oct-29.409)	14.65 ± 0.01	3.41
2460246.920 (2023-Oct-29.420)	14.63 ± 0.01	3.68
2460246.929 (2023-Oct-29.429)	14.67 ± 0.01	3.69

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 123936.72)

Single lens fit parameters

t_max	=	JD 2459502.45	±	0.05 UT (2021-Oct-14.95)
t_E	=	13.65	±	1.11 days
u₀	=	1.0051	±	0.1400
I_base	=	13.91	±	0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice