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
2460611.919 (2024-Oct-28.419)	99.99 ± 99.99	5.66
2460611.928 (2024-Oct-28.428)	18.93 ± 0.55	4.97
2460614.863 (2024-Oct-31.363)	17.74 ± 0.46	5.44
2460614.869 (2024-Oct-31.369)	17.62 ± 0.19	5.41
2460614.873 (2024-Oct-31.373)	19.73 ± 1.84	5.54

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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