MOA 2019-BLG-254

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Event Parameters

Internal ID:	gb5-R-5-192267
Discovery date:	2019-06-08T09:12:58
RA:	17:53:38.13
Dec:	-29:54:36.37
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
139962	17:53:38.03	-29:54:38.47	18.30 ± 0.10	3.42
140000	17:53:38.13	-29:54:33.77	14.51 ± 0.03	2.19
140024	17:53:38.16	-29:54:40.27	17.94 ± 0.09	4.72
140167	17:53:38.32	-29:54:34.97	16.09 ± 0.14	2.06

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.962 (2024-Sep-19.462)	17.68 ± 0.33	4.71
2460573.023 (2024-Sep-19.523)	18.45 ± 0.59	4.91
2460575.899 (2024-Sep-22.399)	17.28 ± 0.14	4.24
2460575.902 (2024-Sep-22.402)	18.32 ± 1.09	5.21
2460575.915 (2024-Sep-22.415)	17.32 ± 0.28	4.74

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 0.00)

Single lens fit parameters

t_max	=	JD 2458646.48	±	0.01 UT (2019-Jun-11.98)
t_E	=	11.22	±	0.28 days
u₀	=	0.1538	±	0.0081
I_base	=	17.59	±	0.31

External data

Gzipped FITS finder chart

All photometry data

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