MOA 2019-BLG-089

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Event Parameters

Internal ID:	gb5-R-10-118975
Discovery date:	2019-03-17T23:18:12
RA:	17:55:46.09
Dec:	-28:40:55.17
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
89413	17:55:46.24	-28:40:58.81	17.56 ± 0.11	4.15
89460	17:55:46.11	-28:40:52.33	18.02 ± 0.16	3.71
89477	17:55:45.99	-28:40:55.58	18.10 ± 0.18	0.70
89570	17:55:45.80	-28:40:53.02	14.18 ± 0.03	4.43

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	16.91 ± 0.18	4.02
2460246.883 (2023-Oct-29.383)	17.61 ± 0.17	3.71
2460246.895 (2023-Oct-29.395)	17.12 ± 0.12	3.59
2460246.905 (2023-Oct-29.405)	17.05 ± 0.13	3.62
2460246.917 (2023-Oct-29.417)	16.94 ± 0.15	3.61

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 5243.24)

Single lens fit parameters

t_max	=	JD 2458564.18	±	0.09 UT (2019-Mar-21.68)
t_E	=	12979.61	±	10999.72 days
u₀	=	0.0020	±	0.0111
I_base	=	24.45	±	0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice