MOA 2017-BLG-229

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Event Parameters

Internal ID:	gb5-R-4-97846
Discovery date:	2017-05-05T16:56:49
RA:	17:52:26.76
Dec:	-29:41:51.35
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
38869	17:52:26.68	-29:41:46.38	16.90 ± 0.09	4.86
38908	17:52:26.75	-29:41:49.44	17.85 ± 0.13	1.58
38934	17:52:26.81	-29:41:50.70	17.52 ± 0.12	0.10
38978	17:52:26.95	-29:41:52.98	17.92 ± 0.30	2.96

Last 5 photometry measurements

Observation date	I mag	seeing
2460518.906 (2024-Jul-27.406)	17.42 ± 0.16	3.10
2460518.917 (2024-Jul-27.417)	17.48 ± 0.14	3.14
2460518.928 (2024-Jul-27.428)	16.97 ± 0.27	2.77
2460519.044 (2024-Jul-27.544)	17.65 ± 0.11	3.08
2460519.047 (2024-Jul-27.547)	18.00 ± 0.18	3.04

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 8928.94)

Single lens fit parameters

t_max	=	JD 2457902.12	±	0.37 UT (2017-May-28.62)
t_E	=	15.65	±	16.71 days
u₀	=	10.5361	±	5.5676
I_base	=	8.90	±	0.30

External data

Gzipped FITS finder chart

All photometry data

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