MOA 2016-BLG-557

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Event Parameters

Internal ID:	gb13-R-4-45432
Discovery date:	2016-09-11T13:26:57
RA:	18:03:30.44
Dec:	-29:43:23.08
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
14768	18:03:30.13	-29:43:22.00	18.95 ± 0.40	4.88
14883	18:03:30.40	-29:43:25.33	17.74 ± 0.17	3.23
14929	18:03:30.47	-29:43:19.21	16.79 ± 0.15	3.44
14950	18:03:30.52	-29:43:21.83	15.77 ± 0.06	0.81

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.887 (2023-Oct-28.387)	15.75 ± 0.02	3.55
2460245.920 (2023-Oct-28.420)	15.76 ± 0.03	3.94
2460246.857 (2023-Oct-29.357)	15.76 ± 0.03	3.73
2460246.890 (2023-Oct-29.390)	15.76 ± 0.03	3.74
2460246.924 (2023-Oct-29.424)	15.72 ± 0.03	3.87

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 44915.89)

Single lens fit parameters

t_max	=	JD 2457643.62	±	0.03 UT (2016-Sep-12.12)
t_E	=	5.38	±	0.83 days
u₀	=	0.1804	±	0.0694
I_base	=	19.11	±	0.22

External data

Gzipped FITS finder chart

All photometry data

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