MOA 2018-BLG-169

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Event Parameters

Internal ID:	gb4-R-4-31168
Discovery date:	2018-06-07T14:45:58
RA:	17:52:19.25
Dec:	-31:27:31.24
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
22668	17:52:19.13	-31:27:34.35	17.62 ± 0.10	4.42
22669	17:52:19.13	-31:27:28.13	15.02 ± 0.05	3.44
22730	17:52:19.31	-31:27:30.62	15.76 ± 0.04	0.25
22804	17:52:19.53	-31:27:32.98	16.52 ± 0.08	3.96

Last 5 photometry measurements

Observation date	I mag	seeing
2460480.202 (2024-Jun-18.702)	15.73 ± 0.02	3.82
2460480.216 (2024-Jun-18.716)	15.79 ± 0.03	3.86
2460480.226 (2024-Jun-18.726)	15.78 ± 0.03	4.03
2460480.239 (2024-Jun-18.739)	15.76 ± 0.04	3.97
2460480.251 (2024-Jun-18.751)	15.69 ± 0.04	4.14

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 45206.41)

Single lens fit parameters

t_max	=	JD 2458274.27	±	0.01 UT (2018-Jun-4.77)
t_E	=	1.95	±	0.02 days
u₀	=	2.6467	±	0.0090
I_base	=	12.81	±	0.17

External data

Gzipped FITS finder chart

All photometry data

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