MOA 2017-BLG-223

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Event Parameters

Internal ID:	gb9-R-9-97609
Discovery date:	2017-05-04T21:29:04
RA:	18:01:37.39
Dec:	-28:44:51.07
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
35753	18:01:37.36	-28:44:51.54	15.35 ± 0.04	0.20
35789	18:01:37.27	-28:44:46.96	17.72 ± 0.10	4.99
35870	18:01:37.07	-28:44:52.76	15.55 ± 0.08	3.91

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.884 (2023-Oct-29.384)	15.39 ± 0.02	3.69
2460246.896 (2023-Oct-29.396)	15.36 ± 0.02	3.32
2460246.906 (2023-Oct-29.406)	15.32 ± 0.02	3.73
2460246.918 (2023-Oct-29.418)	15.32 ± 0.02	3.73
2460246.927 (2023-Oct-29.427)	15.35 ± 0.02	3.67

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 66069.34)

Single lens fit parameters

t_max	=	JD 2457896.54	±	0.00 UT (2017-May-23.04)
t_E	=	14.50	±	0.02 days
u₀	=	0.2127	±	0.0005
I_base	=	14.82	±	0.32

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice