MOA 2017-BLG-023

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Event Parameters

Internal ID:	gb9-R-7-47887
Discovery date:	2017-02-16T17:48:07
RA:	18:02:56.26
Dec:	-29:34:38.39
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
4653	18:02:56.41	-29:34:39.36	18.89 ± 0.15	2.67
4733	18:02:56.24	-29:34:38.87	19.08 ± 0.24	0.29
4752	18:02:56.19	-29:34:41.45	18.79 ± 0.31	2.60
4806	18:02:56.05	-29:34:40.33	16.30 ± 0.04	2.75

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.884 (2023-Oct-29.384)	19.11 ± 0.64	3.41
2460246.896 (2023-Oct-29.396)	99.99 ± 99.99	3.14
2460246.906 (2023-Oct-29.406)	19.09 ± 0.83	3.28
2460246.918 (2023-Oct-29.418)	18.86 ± 0.74	3.50
2460246.927 (2023-Oct-29.427)	18.30 ± 0.44	3.49

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 2130.10)

Single lens fit parameters

t_max	=	JD 2457811.66	±	0.02 UT (2017-Feb-27.16)
t_E	=	50.88	±	0.94 days
u₀	=	0.0739	±	0.0017
I_base	=	18.69	±	0.21

External data

Gzipped FITS finder chart

All photometry data

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