MOA 2019-BLG-227

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Event Parameters

Internal ID:	gb5-R-6-127278
Discovery date:	2019-05-23T14:09:40
RA:	17:56:36.97
Dec:	-29:51:10.80
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
10447	17:56:37.12	-29:51:11.67	16.64 ± 0.04	2.64
10478	17:56:37.04	-29:51:08.93	17.14 ± 0.06	2.99
10537	17:56:36.92	-29:51:11.06	16.62 ± 0.05	0.36

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	17.32 ± 0.34	3.80
2460246.883 (2023-Oct-29.383)	16.92 ± 0.13	3.66
2460246.895 (2023-Oct-29.395)	16.65 ± 0.08	3.46
2460246.905 (2023-Oct-29.405)	16.42 ± 0.05	3.42
2460246.917 (2023-Oct-29.417)	16.64 ± 0.08	3.52

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 20492.74)

Single lens fit parameters

t_max	=	JD 2458635.63	±	0.02 UT (2019-Jun-1.13)
t_E	=	24.97	±	0.29 days
u₀	=	0.3490	±	0.0070
I_base	=	17.22	±	0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice