MOA 2022-BLG-487

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Event Parameters

Internal ID:	gb4-R-10-105745
Discovery date:	2022-09-09T19:22:05
RA:	17:54:23.74
Dec:	-30:14:19.92
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
58898	17:54:23.64	-30:14:19.47	16.53 ± 0.14	1.36

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	16.37 ± 0.05	3.70
2460246.898 (2023-Oct-29.398)	16.39 ± 0.05	3.50
2460246.909 (2023-Oct-29.409)	16.45 ± 0.07	3.67
2460246.920 (2023-Oct-29.420)	16.44 ± 0.08	3.94
2460246.929 (2023-Oct-29.429)	16.31 ± 0.08	3.93

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 22243.34)

Single lens fit parameters

t_max	=	JD 2459831.77	±	0.03 UT (2022-Sep-9.27)
t_E	=	3.51	±	0.95 days
u₀	=	0.1162	±	0.0294
I_base	=	19.30	±	0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice