MOA 2019-BLG-209

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Event Parameters

Internal ID:	gb5-R-9-137835
Discovery date:	2019-05-13T12:22:13
RA:	17:54:50.62
Dec:	-28:49:48.56
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
60596	17:54:50.75	-28:49:50.44	17.32 ± 0.13	2.82
60718	17:54:50.46	-28:49:46.97	16.18 ± 0.07	2.68
60719	17:54:50.47	-28:49:52.91	16.68 ± 0.06	4.14
60766	17:54:50.38	-28:49:49.60	17.13 ± 0.10	2.59

Last 5 photometry measurements

Observation date	I mag	seeing
2460567.999 (2024-Sep-14.499)	99.99 ± 99.99	3.75
2460568.011 (2024-Sep-14.511)	99.99 ± 99.99	3.96
2460568.021 (2024-Sep-14.521)	18.56 ± 0.89	3.69
2460568.033 (2024-Sep-14.533)	99.99 ± 99.99	3.81
2460568.043 (2024-Sep-14.543)	18.30 ± 0.82	3.28

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

Single lens fit parameters

t_max	=	JD 2458619.03	±	0.00 UT (2019-May-15.53)
t_E	=	33.65	±	0.41 days
u₀	=	0.0032	±	0.0002
I_base	=	19.40	±	0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice