MOA 2017-BLG-442

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Event Parameters

Internal ID:	gb23-R-4-844
Discovery date:	2017-08-30T14:13:02
RA:	17:34:15.40
Dec:	-27:39:53.55
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation

Last 5 photometry measurements

Observation date	I mag	seeing
2460602.887 (2024-Oct-19.387)	17.63 ± 0.07	3.48
2460602.917 (2024-Oct-19.417)	17.56 ± 0.05	3.42
2460610.877 (2024-Oct-27.377)	16.94 ± 0.14	5.18
2460610.906 (2024-Oct-27.406)	18.30 ± 0.82	5.52
2460611.882 (2024-Oct-28.382)	18.03 ± 0.48	4.20

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

Single lens fit parameters

t_max	=	JD 2458408.40	±	7.92 UT (2018-Oct-16.90)
t_E	=	7205.76	±	136.00 days
u₀	=	0.0000	±	0.0053
I_base	=	20.21	±	0.00

External data

Gzipped FITS finder chart

All photometry data

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