MOA 2017-BLG-202

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Event Parameters

Internal ID:	gb5-R-9-120302
Discovery date:	2017-04-23T15:42:25
RA:	17:54:09.15
Dec:	-28:59:12.47
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
165682	17:54:09.29	-28:59:16.62	17.56 ± 0.09	4.42
165704	17:54:09.23	-28:59:13.70	18.08 ± 0.28	1.81
165804	17:54:09.06	-28:59:08.39	16.39 ± 0.12	4.88
165805	17:54:09.09	-28:59:12.39	16.65 ± 0.19	0.73

Last 5 photometry measurements

Observation date	I mag	seeing
2460549.845 (2024-Aug-27.345)	16.66 ± 0.02	2.87
2460549.856 (2024-Aug-27.356)	16.61 ± 0.02	2.64
2460549.869 (2024-Aug-27.369)	16.61 ± 0.02	2.81
2460549.880 (2024-Aug-27.380)	16.65 ± 0.02	2.86
2460550.074 (2024-Aug-27.574)	16.55 ± 0.04	3.98

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 20007.83)

Single lens fit parameters

t_max	=	JD 2457867.21	±	0.02 UT (2017-Apr-23.71)
t_E	=	7.65	±	0.74 days
u₀	=	0.1777	±	0.0188
I_base	=	19.30	±	0.33

External data

Gzipped FITS finder chart

All photometry data

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