MOA 2018-BLG-190

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Event Parameters

Internal ID:	gb21-R-3-4291
Discovery date:	2018-06-21T11:37:35
RA:	18:15:41.58
Dec:	-22:01:32.28
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
15470	18:15:41.40	-22:01:32.10	17.42 ± 0.06	3.18
15513	18:15:41.47	-22:01:28.07	18.94 ± 0.10	4.34
15591	18:15:41.63	-22:01:31.44	19.37 ± 0.14	0.29
15701	18:15:41.86	-22:01:35.04	18.03 ± 0.10	4.92

Last 5 photometry measurements

Observation date	I mag	seeing
2460237.941 (2023-Oct-20.441)	99.99 ± 99.99	3.53
2460239.941 (2023-Oct-22.441)	19.95 ± 1.29	3.74
2460244.875 (2023-Oct-27.375)	99.99 ± 99.99	3.93
2460245.870 (2023-Oct-28.370)	19.84 ± 0.94	3.33
2460246.869 (2023-Oct-29.369)	99.99 ± 99.99	3.60

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 1626.30)

Single lens fit parameters

t_max	=	JD 2458292.91	±	0.16 UT (2018-Jun-23.41)
t_E	=	53.70	±	5.16 days
u₀	=	0.2962	±	0.0481
I_base	=	18.75	±	0.14

External data

Gzipped FITS finder chart

All photometry data

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