MOA 2016-BLG-139

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Event Parameters

Internal ID:	gb14-R-5-61968
Discovery date:	2016-04-03T17:23:10
RA:	18:04:47.17
Dec:	-28:06:28.02
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
138657	18:04:46.91	-28:06:27.72	15.65 ± 0.05	4.24
138726	18:04:47.05	-28:06:24.45	18.98 ± 0.26	3.88
138807	18:04:47.17	-28:06:27.55	16.29 ± 0.04	0.60
138874	18:04:47.31	-28:06:30.37	14.90 ± 0.07	3.32
138901	18:04:47.32	-28:06:25.02	17.08 ± 0.13	2.90
138930	18:04:47.39	-28:06:28.07	16.60 ± 0.10	2.47

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.889 (2024-Oct-28.389)	15.93 ± 0.20	4.82
2460611.902 (2024-Oct-28.402)	16.13 ± 0.15	3.92
2460611.913 (2024-Oct-28.413)	15.20 ± 0.23	5.36
2460611.924 (2024-Oct-28.424)	15.40 ± 0.27	5.04
2460614.877 (2024-Oct-31.377)	15.61 ± 0.27	5.10

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 27925.44)

Single lens fit parameters

t_max	=	JD 2457486.79	±	0.00 UT (2016-Apr-8.29)
t_E	=	30.34	±	1.27 days
u₀	=	0.0173	±	0.0008
I_base	=	19.31	±	0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice