MOA 2016-BLG-428

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Event Parameters

Internal ID:	gb4-R-7-43720
Discovery date:	2016-07-19T16:31:13
RA:	17:54:30.87
Dec:	-31:21:58.01
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
162489	17:54:31.11	-31:22:00.26	17.96 ± 0.14	4.13
162525	17:54:31.01	-31:21:55.57	17.18 ± 0.12	3.99
162526	17:54:31.00	-31:21:57.96	17.95 ± 0.14	2.45
162549	17:54:30.96	-31:22:02.80	17.95 ± 0.13	4.72
162593	17:54:30.84	-31:22:02.07	18.27 ± 0.11	3.61
162612	17:54:30.85	-31:21:58.38	19.23 ± 0.33	0.38

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	18.26 ± 0.32	3.47
2460246.898 (2023-Oct-29.398)	19.13 ± 0.54	3.07
2460246.909 (2023-Oct-29.409)	99.99 ± 99.99	3.33
2460246.920 (2023-Oct-29.420)	99.99 ± 99.99	3.74
2460246.929 (2023-Oct-29.429)	99.99 ± 99.99	3.84

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 1856.95)

Single lens fit parameters

t_max	=	JD 2457589.32	±	0.02 UT (2016-Jul-19.82)
t_E	=	50.76	±	2.45 days
u₀	=	0.0255	±	0.0018
I_base	=	21.46	±	0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice