MOA 2017-BLG-499

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Event Parameters

Internal ID:	gb8-R-7-10140
Discovery date:	2017-10-16T09:55:47
RA:	18:01:42.98
Dec:	-31:16:59.02
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
40762	18:01:43.05	-31:16:59.18	16.18 ± 0.12	1.62
40843	18:01:42.88	-31:17:02.84	15.95 ± 0.06	3.43
40962	18:01:42.68	-31:16:57.48	18.01 ± 0.07	4.07

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.888 (2023-Oct-28.388)	99.99 ± 99.99	3.45
2460245.921 (2023-Oct-28.421)	20.83 ± 4.06	3.44
2460246.858 (2023-Oct-29.358)	99.99 ± 99.99	3.53
2460246.891 (2023-Oct-29.391)	99.99 ± 99.99	3.63
2460246.925 (2023-Oct-29.425)	99.99 ± 99.99	3.43

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

Single lens fit parameters

t_max	=	JD 2458045.85	±	0.05 UT (2017-Oct-19.35)
t_E	=	15.77	±	0.58 days
u₀	=	0.0138	±	0.0072
I_base	=	18.17	±	0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice