MOA 2016-BLG-189

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Event Parameters

Internal ID:	gb17-R-8-45338
Discovery date:	2016-04-18T20:05:25
RA:	18:12:06.62
Dec:	-27:35:07.22
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
203259	18:12:06.90	-27:35:06.38	16.03 ± 0.12	4.63
203383	18:12:06.70	-27:35:05.05	18.64 ± 0.32	3.31
203384	18:12:06.66	-27:35:09.99	16.99 ± 0.10	2.56
203487	18:12:06.53	-27:35:04.13	16.93 ± 0.11	3.85

Last 5 photometry measurements

Observation date	I mag	seeing
2460610.879 (2024-Oct-27.379)	16.96 ± 0.19	5.15
2460610.916 (2024-Oct-27.416)	18.55 ± 0.44	4.87
2460611.891 (2024-Oct-28.391)	19.27 ± 0.51	4.32
2460611.926 (2024-Oct-28.426)	99.99 ± 99.99	5.66
2460614.884 (2024-Oct-31.384)	19.75 ± 2.28	5.53

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

Single lens fit parameters

t_max	=	JD 2457507.81	±	0.01 UT (2016-Apr-29.31)
t_E	=	14.26	±	0.24 days
u₀	=	0.1167	±	0.0032
I_base	=	17.88	±	0.23

External data

Gzipped FITS finder chart

All photometry data

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