MOA 2016-BLG-490

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Event Parameters

Internal ID:	gb9-R-1-122551
Discovery date:	2016-08-13T22:12:46
RA:	17:58:54.99
Dec:	-28:30:57.66
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
106396	17:58:54.97	-28:30:57.32	18.33 ± 0.14	0.94
106453	17:58:55.12	-28:30:59.81	17.65 ± 0.10	3.11
106521	17:58:55.27	-28:30:54.03	16.17 ± 0.07	4.55

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.919 (2024-Oct-28.419)	17.60 ± 0.54	5.82
2460611.928 (2024-Oct-28.428)	18.48 ± 0.67	5.26
2460614.863 (2024-Oct-31.363)	17.97 ± 0.69	5.43
2460614.869 (2024-Oct-31.369)	20.81 ± 6.61	5.07
2460614.873 (2024-Oct-31.373)	17.67 ± 0.76	5.71

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 4242.29)

Single lens fit parameters

t_max	=	JD 2457616.08	±	0.07 UT (2016-Aug-15.58)
t_E	=	87.29	±	7.75 days
u₀	=	0.0521	±	0.0064
I_base	=	20.54	±	0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice