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
2460572.897 (2024-Sep-19.397)	19.39 ± 0.72	4.02
2460572.937 (2024-Sep-19.437)	20.75 ± 1.68	4.05
2460573.022 (2024-Sep-19.522)	99.99 ± 99.99	4.90
2460574.033 (2024-Sep-20.533)	99.99 ± 99.99	4.88
2460575.923 (2024-Sep-22.423)	19.83 ± 7.82	4.94

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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