MOA 2017-BLG-166

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Event Parameters

Internal ID:	gb5-R-6-104143
Discovery date:	2017-04-10T18:48:16
RA:	17:54:28.63
Dec:	-29:46:54.00
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
68319	17:54:28.62	-29:46:50.05	18.21 ± 0.25	4.77
68320	17:54:28.67	-29:46:52.08	17.50 ± 0.16	2.82
68368	17:54:28.55	-29:46:54.44	18.33 ± 0.26	0.56
68461	17:54:28.37	-29:46:57.63	16.71 ± 0.07	4.31

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	17.93 ± 0.29	3.87
2460246.883 (2023-Oct-29.383)	18.16 ± 0.17	3.59
2460246.895 (2023-Oct-29.395)	18.00 ± 0.16	3.46
2460246.905 (2023-Oct-29.405)	17.73 ± 0.13	3.43
2460246.917 (2023-Oct-29.417)	17.55 ± 0.13	3.48

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 4230.58)

Single lens fit parameters

t_max	=	JD 2457858.83	±	0.01 UT (2017-Apr-15.33)
t_E	=	14.82	±	0.45 days
u₀	=	0.0025	±	0.0016
I_base	=	19.22	±	0.37

External data

Gzipped FITS finder chart

All photometry data

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