MOA 2017-BLG-217

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Event Parameters

Internal ID:	gb13-R-5-69025
Discovery date:	2017-05-04T21:26:46
RA:	18:02:58.25
Dec:	-29:47:41.10
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
66772	18:02:58.02	-29:47:37.84	17.26 ± 0.10	4.59
66883	18:02:58.33	-29:47:43.47	15.53 ± 0.09	3.14
66975	18:02:58.56	-29:47:43.33	18.60 ± 0.15	4.67
66976	18:02:58.38	-29:47:36.94	16.63 ± 0.11	4.01

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.887 (2023-Oct-28.387)	22.20 ± 12.09	3.74
2460245.920 (2023-Oct-28.420)	19.23 ± 0.81	4.06
2460246.857 (2023-Oct-29.357)	19.19 ± 0.55	3.88
2460246.890 (2023-Oct-29.390)	19.71 ± 1.16	3.75
2460246.924 (2023-Oct-29.424)	19.38 ± 0.95	3.85

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

Single lens fit parameters

t_max	=	JD 2457877.71	±	0.02 UT (2017-May-4.21)
t_E	=	8.92	±	0.37 days
u₀	=	0.1751	±	0.0090
I_base	=	17.86	±	0.21

External data

Gzipped FITS finder chart

All photometry data

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