MOA 2019-BLG-253

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Event Parameters

Internal ID:	gb8-R-4-20612
Discovery date:	2019-06-06T10:53:24
RA:	17:57:06.94
Dec:	-31:21:50.83
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
4924	17:57:06.83	-31:21:50.78	17.14 ± 0.22	2.27
5000	17:57:07.01	-31:21:47.49	17.96 ± 0.07	2.91
5032	17:57:07.10	-31:21:52.77	15.98 ± 0.03	2.99
5053	17:57:07.17	-31:21:49.31	16.36 ± 0.03	2.63

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.888 (2023-Oct-28.388)	99.99 ± 99.99	3.54
2460245.921 (2023-Oct-28.421)	99.99 ± 99.99	3.90
2460246.858 (2023-Oct-29.358)	99.99 ± 99.99	3.66
2460246.891 (2023-Oct-29.391)	20.11 ± 1.16	3.73
2460246.925 (2023-Oct-29.425)	99.99 ± 99.99	3.49

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

Single lens fit parameters

t_max	=	JD 2458643.11	±	0.05 UT (2019-Jun-8.61)
t_E	=	23.40	±	0.99 days
u₀	=	0.1406	±	0.0078
I_base	=	18.96	±	0.18

External data

Gzipped FITS finder chart

All photometry data

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