MOA 2017-BLG-420

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Event Parameters

Internal ID:	gb1-R-2-55409
Discovery date:	2017-08-10T14:02:57
RA:	17:44:30.25
Dec:	-33:53:06.56
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
62595	17:44:30.29	-33:53:04.12	17.02 ± 0.03	1.95
62634	17:44:30.39	-33:53:05.58	15.02 ± 0.02	1.30

Last 5 photometry measurements

Observation date	I mag	seeing
2460610.905 (2024-Oct-27.405)	14.97 ± 0.01	5.18
2460610.936 (2024-Oct-27.436)	14.99 ± 0.01	4.81
2460611.881 (2024-Oct-28.381)	14.97 ± 0.01	4.12
2460611.917 (2024-Oct-28.417)	15.01 ± 0.01	5.13
2460614.881 (2024-Oct-31.381)	15.00 ± 0.01	4.76

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 89371.70)

Single lens fit parameters

t_max	=	JD 2457986.16	±	1.08 UT (2017-Aug-20.66)
t_E	=	38639.54	±	34629.86 days
u₀	=	0.0014	±	0.0116
I_base	=	25.16	±	0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice