MOA 2021-BLG-434

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Event Parameters

Internal ID:	gb13-R-2-53419
Discovery date:	2021-10-13T17:43:17
RA:	18:03:02.74
Dec:	-28:45:18.19
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
77134	18:03:02.48	-28:45:16.65	17.23 ± 0.09	4.35
77188	18:03:02.67	-28:45:17.82	14.73 ± 0.01	1.66
77260	18:03:02.88	-28:45:20.54	17.90 ± 0.13	3.37

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.887 (2023-Oct-28.387)	17.96 ± 0.29	3.97
2460245.920 (2023-Oct-28.420)	18.06 ± 0.22	4.14
2460246.857 (2023-Oct-29.357)	18.16 ± 0.20	4.02
2460246.890 (2023-Oct-29.390)	17.05 ± 0.12	4.14
2460246.924 (2023-Oct-29.424)	18.65 ± 0.41	4.15

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

Single lens fit parameters

t_max	=	JD 2459510.04	±	0.46 UT (2021-Oct-22.54)
t_E	=	54.04	±	3.31 days
u₀	=	0.3354	±	0.0335
I_base	=	16.78	±	0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice