MOA 2021-BLG-342

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Event Parameters

Internal ID:	gb19-R-9-18291
Discovery date:	2021-08-20T19:16:44
RA:	18:19:11.19
Dec:	-25:03:10.19
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
55074	18:19:11.22	-25:03:06.90	16.49 ± 0.13	4.13
55110	18:19:11.13	-25:03:10.70	15.97 ± 0.09	0.34
55190	18:19:11.00	-25:03:12.29	17.99 ± 0.08	2.66
55209	18:19:10.97	-25:03:07.84	17.93 ± 0.07	3.94

Last 5 photometry measurements

Observation date	I mag	seeing
2460235.930 (2023-Oct-18.430)	15.94 ± 0.02	2.54
2460239.943 (2023-Oct-22.443)	15.97 ± 0.02	3.52
2460244.878 (2023-Oct-27.378)	16.04 ± 0.03	4.41
2460245.873 (2023-Oct-28.373)	15.96 ± 0.02	3.33
2460246.872 (2023-Oct-29.372)	15.99 ± 0.02	3.64

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 37462.78)

Single lens fit parameters

t_max	=	JD 2459477.91	±	0.92 UT (2021-Sep-20.41)
t_E	=	88.87	±	24.90 days
u₀	=	0.8976	±	0.5753
I_base	=	16.81	±	0.21

External data

Gzipped FITS finder chart

All photometry data

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