MOA 2021-BLG-057

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Event Parameters

Internal ID:	gb19-R-3-10799
Discovery date:	2021-03-28T12:35:30
RA:	18:17:40.77
Dec:	-25:36:56.63
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
85338	18:17:40.78	-25:36:51.69	17.61 ± 0.10	4.51
85363	18:17:40.83	-25:37:00.05	17.10 ± 0.05	4.15
85432	18:17:40.93	-25:36:58.83	17.56 ± 0.11	3.33
85433	18:17:40.95	-25:36:56.23	17.92 ± 0.14	1.94

Last 5 photometry measurements

Observation date	I mag	seeing
2460235.930 (2023-Oct-18.430)	99.99 ± 99.99	2.33
2460239.943 (2023-Oct-22.443)	20.06 ± 1.20	3.30
2460244.878 (2023-Oct-27.378)	20.80 ± 3.91	4.23
2460245.873 (2023-Oct-28.373)	19.72 ± 0.77	3.07
2460246.872 (2023-Oct-29.372)	19.68 ± 0.91	3.38

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

Single lens fit parameters

t_max	=	JD 2459301.90	±	0.02 UT (2021-Mar-28.40)
t_E	=	17.65	±	3.09 days
u₀	=	0.0169	±	0.0072
I_base	=	20.16	±	0.16

External data

Gzipped FITS finder chart

All photometry data

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