MOA 2017-BLG-249

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Event Parameters

Internal ID:	gb9-R-7-51456
Discovery date:	2017-05-11T17:22:49
RA:	18:00:20.65
Dec:	-29:41:51.62
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
150847	18:00:20.81	-29:41:49.16	15.74 ± 0.04	4.19
150848	18:00:20.81	-29:41:55.77	14.94 ± 0.18	4.65
150898	18:00:20.67	-29:41:50.20	16.85 ± 0.07	2.27
150972	18:00:20.52	-29:41:53.38	17.55 ± 0.06	1.61
151061	18:00:20.36	-29:41:50.20	15.77 ± 0.04	3.89

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.884 (2023-Oct-29.384)	18.71 ± 0.67	3.46
2460246.896 (2023-Oct-29.396)	19.48 ± 1.43	3.11
2460246.906 (2023-Oct-29.406)	19.81 ± 2.70	3.39
2460246.918 (2023-Oct-29.418)	99.99 ± 99.99	3.47
2460246.927 (2023-Oct-29.427)	19.72 ± 1.96	3.47

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

Single lens fit parameters

t_max	=	JD 2457884.50	±	0.04 UT (2017-May-11.00)
t_E	=	38.76	±	9.48 days
u₀	=	0.0245	±	0.0100
I_base	=	21.44	±	0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice