MOA 2017-BLG-157

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Event Parameters

Internal ID:	gb23-R-8-1969
Discovery date:	2017-04-08T16:09:47
RA:	17:37:02.09
Dec:	-27:13:08.24
Current assessment:	microlensing

A transient event found by MOA. Possibly a binary lens event.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation

Last 5 photometry measurements

Observation date	I mag	seeing
2460244.893 (2023-Oct-27.393)	99.99 ± 99.99	3.59
2460245.861 (2023-Oct-28.361)	20.07 ± 1.05	3.54
2460245.890 (2023-Oct-28.390)	20.69 ± 1.81	3.03
2460246.860 (2023-Oct-29.360)	99.99 ± 99.99	3.69
2460246.894 (2023-Oct-29.394)	24.03 ± 41.64	3.35

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

Single lens fit parameters

t_max	=	JD 2457850.82	±	0.03 UT (2017-Apr-7.32)
t_E	=	0.36	±	0.82 days
u₀	=	9.6888	±	6.9927
I_base	=	8.22	±	0.00

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice