MOA 2017-BLG-209

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Event Parameters

Internal ID:	gb4-R-9-63582
Discovery date:	2017-04-25T22:50:35
RA:	17:56:11.76
Dec:	-30:31:41.36
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
16395	17:56:12.00	-30:31:41.29	17.86 ± 0.07	3.97
16570	17:56:11.42	-30:31:44.29	17.93 ± 0.12	4.66
16586	17:56:11.39	-30:31:39.82	16.46 ± 0.03	4.90

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	19.83 ± 0.89	3.51
2460246.898 (2023-Oct-29.398)	19.14 ± 0.47	3.32
2460246.909 (2023-Oct-29.409)	18.58 ± 0.34	3.47
2460246.920 (2023-Oct-29.420)	18.94 ± 0.54	3.78
2460246.929 (2023-Oct-29.429)	18.68 ± 0.48	3.74

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

Single lens fit parameters

t_max	=	JD 2457873.96	±	0.01 UT (2017-Apr-30.46)
t_E	=	31.78	±	0.37 days
u₀	=	0.0755	±	0.0013
I_base	=	19.49	±	0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice