MOA 2017-BLG-409

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Event Parameters

Internal ID:	gb5-R-5-175150
Discovery date:	2017-07-29T11:03:51
RA:	17:52:36.67
Dec:	-29:50:02.81
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
110951	17:52:36.57	-29:50:00.27	15.65 ± 0.13	2.88
111011	17:52:36.70	-29:50:03.59	16.90 ± 0.12	1.46
111080	17:52:36.90	-29:50:04.13	18.39 ± 0.31	3.18
111099	17:52:36.93	-29:49:59.35	16.67 ± 0.10	4.19

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	17.00 ± 0.07	3.80
2460246.883 (2023-Oct-29.383)	16.96 ± 0.04	3.61
2460246.895 (2023-Oct-29.395)	16.91 ± 0.05	3.49
2460246.905 (2023-Oct-29.405)	16.95 ± 0.05	3.29
2460246.917 (2023-Oct-29.417)	16.89 ± 0.05	3.44

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 15834.34)

Single lens fit parameters

t_max	=	JD 2457965.01	±	0.00 UT (2017-Jul-30.51)
t_E	=	15.58	±	0.56 days
u₀	=	0.0212	±	0.0009
I_base	=	19.98	±	0.25

External data

Gzipped FITS finder chart

All photometry data

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