MOA 2019-BLG-203

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Event Parameters

Internal ID:	gb4-R-6-53053
Discovery date:	2019-05-07T17:50:39
RA:	17:54:06.37
Dec:	-31:36:35.31
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
79362	17:54:06.59	-31:36:35.93	18.14 ± 0.07	3.59
79479	17:54:06.36	-31:36:36.12	14.88 ± 0.03	0.61
79538	17:54:06.19	-31:36:33.21	17.60 ± 0.06	3.31
79636	17:54:05.96	-31:36:36.10	16.12 ± 0.04	4.75

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.944 (2024-Sep-19.444)	14.81 ± 0.01	3.93
2460572.954 (2024-Sep-19.454)	14.83 ± 0.01	3.64
2460572.966 (2024-Sep-19.466)	14.69 ± 0.20	5.57
2460574.031 (2024-Sep-20.531)	14.80 ± 0.02	4.86
2460575.919 (2024-Sep-22.419)	14.91 ± 0.02	4.54

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 102140.98)

Single lens fit parameters

t_max	=	JD 2458616.86	±	0.02 UT (2019-May-13.36)
t_E	=	8.07	±	0.17 days
u₀	=	0.4271	±	0.0149
I_base	=	16.46	±	0.19

External data

Gzipped FITS finder chart

All photometry data

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