MOA 2017-BLG-240

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Event Parameters

Internal ID:	gb14-R-5-67813
Discovery date:	2017-05-07T19:07:01
RA:	18:05:01.69
Dec:	-28:03:57.88
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
146842	18:05:01.59	-28:04:00.21	18.47 ± 0.27	3.71
146920	18:05:01.70	-28:03:57.19	16.18 ± 0.05	0.55
146968	18:05:01.79	-28:03:53.09	16.79 ± 0.07	4.49
147067	18:05:02.01	-28:03:56.70	17.57 ± 0.21	3.87

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.889 (2024-Oct-28.389)	16.09 ± 0.04	4.78
2460611.902 (2024-Oct-28.402)	16.17 ± 0.03	3.90
2460611.913 (2024-Oct-28.413)	15.87 ± 0.06	5.30
2460611.924 (2024-Oct-28.424)	16.03 ± 0.05	5.10
2460614.877 (2024-Oct-31.377)	16.03 ± 0.05	5.10

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 30789.31)

Single lens fit parameters

t_max	=	JD 2457962.25	±	0.09 UT (2017-Jul-27.75)
t_E	=	15.14	±	0.03 days
u₀	=	4.7652	±	0.0016
I_base	=	11.00	±	0.22

External data

Gzipped FITS finder chart

All photometry data

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