MOA 2019-BLG-121

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Event Parameters

Internal ID:	gb15-R-9-11083
Discovery date:	2019-04-05T20:23:57
RA:	18:08:32.71
Dec:	-25:19:29.48
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
13420	18:08:32.90	-25:19:29.97	14.79 ± 0.02	3.24
13512	18:08:32.73	-25:19:25.53	17.15 ± 0.09	4.82
13576	18:08:32.63	-25:19:32.62	17.55 ± 0.12	2.75
13634	18:08:32.44	-25:19:28.06	18.83 ± 0.20	3.86

Last 5 photometry measurements

Observation date	I mag	seeing
2460244.911 (2023-Oct-27.411)	99.99 ± 99.99	3.76
2460245.866 (2023-Oct-28.366)	99.99 ± 99.99	3.44
2460245.909 (2023-Oct-28.409)	99.99 ± 99.99	3.51
2460246.865 (2023-Oct-29.365)	99.99 ± 99.99	3.59
2460246.912 (2023-Oct-29.412)	99.99 ± 99.99	3.71

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

Single lens fit parameters

t_max	=	JD 2458581.34	±	0.09 UT (2019-Apr-7.84)
t_E	=	77.47	±	12.67 days
u₀	=	0.0357	±	0.0072
I_base	=	20.39	±	0.18

External data

Gzipped FITS finder chart

All photometry data

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