MOA 2022-BLG-428

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Event Parameters

Internal ID:	gb14-R-2-111394
Discovery date:	2022-07-31T13:07:28
RA:	18:05:36.49
Dec:	-27:01:35.61
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
153828	18:05:36.35	-27:01:37.99	17.48 ± 0.07	4.01
153901	18:05:36.45	-27:01:39.31	18.79 ± 0.14	4.61
153923	18:05:36.49	-27:01:36.83	18.26 ± 0.10	1.96
153946	18:05:36.56	-27:01:38.46	18.44 ± 0.11	3.60
154015	18:05:36.71	-27:01:37.68	17.55 ± 0.09	3.74

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.855 (2023-Oct-29.355)	99.99 ± 99.99	3.57
2460246.889 (2023-Oct-29.389)	99.99 ± 99.99	3.80
2460246.901 (2023-Oct-29.401)	99.99 ± 99.99	3.16
2460246.911 (2023-Oct-29.411)	99.99 ± 99.99	3.65
2460246.923 (2023-Oct-29.423)	99.99 ± 99.99	4.02

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

Single lens fit parameters

t_max	=	JD 2459800.97	±	0.01 UT (2022-Aug-9.47)
t_E	=	33.94	±	0.31 days
u₀	=	0.0887	±	0.0015
I_base	=	17.99	±	0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice