MOA 2017-BLG-498

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Event Parameters

Internal ID:	gb1-R-3-19304
Discovery date:	2017-10-11T12:49:01
RA:	17:44:44.81
Dec:	-34:14:42.96
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
12540	17:44:44.69	-34:14:39.62	17.22 ± 0.06	3.58
12633	17:44:44.87	-34:14:42.51	18.38 ± 0.09	0.18
12724	17:44:45.07	-34:14:39.94	16.88 ± 0.03	3.74

Last 5 photometry measurements

Observation date	I mag	seeing
2460610.905 (2024-Oct-27.405)	18.19 ± 0.37	5.04
2460610.936 (2024-Oct-27.436)	18.54 ± 0.39	4.77
2460611.881 (2024-Oct-28.381)	18.17 ± 0.17	4.01
2460611.917 (2024-Oct-28.417)	18.80 ± 0.43	4.89
2460614.881 (2024-Oct-31.381)	17.97 ± 0.33	4.51

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 4066.31)

Single lens fit parameters

t_max	=	JD 2458042.97	±	0.02 UT (2017-Oct-16.47)
t_E	=	22.97	±	0.86 days
u₀	=	0.0399	±	0.0021
I_base	=	18.07	±	0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice