MOA 2017-BLG-428

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Event Parameters

Internal ID:	gb18-R-8-10524
Discovery date:	2017-08-22T07:07:00
RA:	18:12:17.26
Dec:	-25:51:19.64
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
187757	18:12:17.53	-25:51:18.61	15.96 ± 0.05	4.71
187852	18:12:17.37	-25:51:17.45	19.10 ± 0.19	3.58
187921	18:12:17.22	-25:51:20.15	16.53 ± 0.05	0.14
187949	18:12:17.18	-25:51:21.77	16.50 ± 0.05	1.66

Last 5 photometry measurements

Observation date	I mag	seeing
2460610.878 (2024-Oct-27.378)	16.37 ± 0.09	5.21
2460610.915 (2024-Oct-27.415)	16.34 ± 0.08	4.92
2460611.890 (2024-Oct-28.390)	16.69 ± 0.06	4.34
2460611.925 (2024-Oct-28.425)	16.24 ± 0.15	5.54
2460614.883 (2024-Oct-31.383)	16.43 ± 0.11	5.16

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 22325.44)

Single lens fit parameters

t_max	=	JD 2457992.65	±	0.01 UT (2017-Aug-27.15)
t_E	=	9.16	±	0.17 days
u₀	=	0.3300	±	0.0108
I_base	=	16.22	±	0.17

External data

Gzipped FITS finder chart

All photometry data

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